GALEX Release 1 (GR1) Column descriptions for

      -xd-mcat.fits

 

Note that the first 85 columns of the -xd-mcat.fits file, detailed below, are specific to the merged catalog. However, the next two sets of NUV and FUV columns (86-198 and 199-311, respectively), with less detailed descriptions below, are copied directly from the -[n or f]d-cat.fits files. These files need not be downloaded, since all the information in them is included in the -xd-mcat.fits file.

 

____________________________________________________________________

-xd-mcat.fits:                                -tab Jan'05

 

Binary FITS table column descriptions for *-xd-mcat.fits files:

(Total number of fields: 311.)

 

ggoid_hex        : TTYPE1   (16A) : 'string  ' : Hex string of Galex Global Object ID

     This is a hexidecimal string version of the global object ID.

    

ggoid_dec        : TTYPE2   (20A) : 'string  ' : Decimal string of Galex Global Object ID

     This is a decimal string version of the global object ID.

    

ggoid            : TTYPE3   (2J)  : 'number  ' : Galex Global Object ID

     This is the 64-bit integer version of the global object ID.  Joining these two

     integers yields a 64 bit integer uniquely identifying this source including the

     tile number, band, product number, reduction try (path), etc.  These values are

     also given as individual columns (shown below). The bits from most significant

     to least significant are:

        3 bits: vsn - Version number (of the pipeline)

       16 bits: tile- Tile or field or target number

        2 bits: type- Observation type (00=single,01=AIS(multi))

        2 bits: ow  - optics wheel position (01=direct,10=grism,11=opaque,00=undefined)

        4 bits: prod- product number(_visits,_best,etc.)

       12 bits: img - visit/sub-visit number {when type=01: 5 bit subvis + 7 bit visit}

                       (This is just the visit number, except for AIS observations when

                        the first (highest) 5 bits are used for the sub-visit number.)

        3 bits: try - try number (processing number)

        2 bits: band- Band (01=nuv,10=fuv,11=both,00=undefined)

       20 bits: xid - Extraction ID

    

vsn              : TTYPE4   (1J)  : 'number  ' : Version number

     Version number (of the pipeline).

    

tilenum          : TTYPE5   (1J)  : 'number  ' : Tile number

     Tile or field or target number.

    

type             : TTYPE6   (1J)  : 'number  ' : Obs.type (0=single,1=multi)

     Observation type (00=single, 01=AIS(multiple subvisits)).

    

ow               : TTYPE7   (1J)  : 'number  ' : Optics wheel (1=drct,2=grsm,3=opaq)

     Optics wheel position (01=direct,10=grism,11=opaque,00=undefined)

    

prod             : TTYPE8   (1J)  : 'number  ' : Product number (_visits,_main,etc.)

     Product number(00-visits,01-main,etc.)

    

img              : TTYPE9   (1J)  : 'number  ' : image number (exposure# for _visits)

     Visit and sub-visit number, when type=01 then  5 bit subvis + 7 bit visit.

     This is just the visit number, except for AIS observations when the first

     (highest) 5 bits are used for the sub-visit number.

    

try              : TTYPE10  (1J)  : 'number  ' : Try number (processing attempt number)

     Try number (processing number).

    

band             : TTYPE11  (1J)  : 'number  ' : Band number (1=nuv,2=fuv,3=both)

     Band (01=nuv, 10=fuv, 11=both, 00=undefined).

    

id               : TTYPE12  (1J)  : 'number  ' : Merged ID.

     Extraction identification number.  This is the same as the NUV ID number

     from the NUV source catalog (called "NUV_NUMBER" below).  In cases where

     there is no NUV source a new ID is assigned which is large enough not to

     conflict with any NUV ID number.

    

subvisit         : TTYPE13  (1I)  : 'number  ' : Sub-visit number for AIS

     Sub-visit number for the All-sky Imaging Survey (AIS).  An AIS eclipse may

     have 12 or more telescope pointings.  Each of these pointings is assigned a

     sub-visit number.  Note that a visit number corresponds to one eclipse.

    

leg              : TTYPE14  (1I)  : 'number  ' : Planned leg number for AIS

     Similar to the sub-visit number, but this is a planned (but perhaps not

     observed) pointing (or leg) during an AIS eclipse.

    

alpha_j2000      : TTYPE15  (1D)  : 'degrees ' : Merged Right Ascension(degrees).

     Bandmerged Right Ascension in degrees (0 to 360) in a J2000 reference

     frame.  This position is a signal-to-noise weighted average of the

     NUV and FUV source positions.

    

delta_j2000      : TTYPE16  (1D)  : 'degrees ' : Merged Declination (degrees).

     Bandmerged Declination in degrees (-90 to 90) in a J2000 reference

     frame.  This position is a signal-to-noise weighted average of the

     NUV and FUV source positions.

    

prob             : TTYPE17  (1E)  : 'probability' : Chi-squared probability of match.

     A bandmerger quantity computed for a given match.  This depends on the

     separation between sources and an estimate of the positional error.

     Currently, the radial positional error is set at a constant 1.0 arcsecond

     for all sources.

    

sep              : TTYPE18  (1E)  : 'arcseconds' : Separation between band positions.

     Separation between two bandmerged (NUV and FUV) source positions

     in arcseconds.

    

E_bv             : TTYPE19  (1E)  : 'number  ' : E(B-V) Galactic Reddening.

     Derived from a maps of dust infrared emission used to estimate

     reddening (see Schlegel et al. 1998, ApJ, 500, 525).  Data obtained

     from http://astron.berkeley.edu/davis/dust/data/data.html

    

glon             : TTYPE20  (1E)  : 'degrees ' : Galactic longitude in degrees.

     Galactic longitude of the bandmerged source position.

    

glat             : TTYPE21  (1E)  : 'degrees ' : Galactic latitude in degrees.

     Galactic latitude of the bandmerged source position.

    

primary          : TTYPE22  (1J)  : 'number  ' : Primary source flag

     Not used.

    

fov_radius       : TTYPE23  (1E)  : 'degrees ' : distance from center of FOV in degrees

     Radial distance between a source position and the nominal

     center of the field of view.

    

nuv_det_x        : TTYPE24  (1E)  : 'value   ' : NUV detector X position

     Estimate of NUV detector X position of a given source.  Since the

     telescope is dithered and many eclipse observations are combined,

     this is only an estimate of the X position.  The units are in pixels

     (1.5 arcseconds per pixel) relative to the nominal field center.

    

nuv_det_y        : TTYPE25  (1E)  : 'value   ' : NUV detector Y position

     Estimate of NUV detector Y position of a given source in pixels

     (1.5 arcseconds per pixel).

    

fuv_det_x        : TTYPE26  (1E)  : 'value   ' : FUV detector X position

     Estimate of FUV detector X position of a given source in pixels

     (1.5 arcseconds per pixel).

    

fuv_det_y        : TTYPE27  (1E)  : 'value   ' : FUV detector Y position

     Estimate of FUV detector Y position of a given source in pixels

     (1.5 arcseconds per pixel).

    

chkobj_type      : TTYPE28  (1J)  : 'number  ' : Astrometry check type

     The GALEX field position is aligned to the sky using the known positions

     of bright stars.  The file with the extension "-cat_mch_rtastar.fits"

     contains data on the bright stars used to align the GALEX field.  The filename

     of this file is given by the FITS header card "MCHFILE".  If the value of

     "chkobj_type" for a source is 1, then that source (NUV position) has been

     matched to a known bright star.

    

chkobj_id        : TTYPE29  (1J)  : 'number  ' : Astrometry check ID

     For a source matched to a known star (chkobj_type=1), this column gives

     the row number in the match table file (-cat_mch_rtastar.fits)

     containing the data for this match.

    

chkobj_r         : TTYPE30  (1E)  : 'degrees ' : Astrometry check radius in degrees

     For a source matched to a known star (chkobj_type=1), this column gives

     the distance in degrees between the known star and the GALEX NUV source

     position.

    

chkobj_pa        : TTYPE31  (1E)  : 'degrees ' : Astrometry check position angle in degrees

     For a source matched to a known star (chkobj_type=1), this column gives

     the position angle in degrees between the known star position and the

     GALEX NUV source position.

    

misc_flags       : TTYPE32  (1J)  : 'value   ' : Miscellaneous flags

     Not used.

    

nuv_flux         : TTYPE33  (1E)  : 'flux    ' : NUV calibrated flux (micro Jansky)

     NUV flux derived from a NUV source catalog flux.  The FITS header card

     "CALMAG" indicates which NUV flux value is used, e.g. if CALMAG=AUTO,

     then the NUV_FLUX_AUTO column is used.  The NUV catalog flux is in counts

     per second, this is converted to the appropriate flux using the zero-point

     conversion (see header card "N_ZPMAG") and then converted to micro Janskys

     using the conversion given by the header card "N_CUJ".

    

nuv_fluxerr      : TTYPE34  (1E)  : 'flux    ' : NUV calibrated flux error

     Error for nuv_flux value.

    

nuv_mag          : TTYPE35  (1E)  : 'mag     ' : NUV calibrated magnitude

     NUV magnitude derived from a NUV source catalog magnitude.  The FITS

     header card "CALMAG" indicates which NUV magnitude value is used, e.g.

     if CALMAG=AUTO, then the NUV_MAG_AUTO column is used.  The NUV catalog

     magnitude is converted to the true magnitude using the zero-point

     conversion (see header card "N_ZPMAG").

    

nuv_magerr       : TTYPE36  (1E)  : 'mag     ' : NUV calibrated magnitude error

     Error for nuv_mag value.

    

fuv_flux         : TTYPE37  (1E)  : 'flux    ' : FUV calibrated flux (micro Jansky)

     FUV flux derived from a FUV source catalog flux (see description

     for nuv_flux).

    

fuv_fluxerr      : TTYPE38  (1E)  : 'flux    ' : FUV calibrated flux error

     Error for fuv_flux value.

    

fuv_mag          : TTYPE39  (1E)  : 'mag     ' : FUV calibrated magnitude

     FUV magnitude derived from a FUV source catalog magnitude (see description

     for nuv_mag).

    

fuv_magerr       : TTYPE40  (1E)  : 'mag     ' : FUV calibrated magnitude error

     Error for fuv_mag value.

    

nuv_fcat_flux    : TTYPE41  (1E)  : 'flux    ' : NUV calibrated flux using FUV catalog position

     The NUV flux derived using the source position given in the FUV catalog.

     The file with extension "-nd-fcat.fits" contains NUV flux values computed

     using positions given in the "-fd-cat.fits" file.

    

nuv_fcat_fluxerr : TTYPE42  (1E)  : 'flux    ' : Error for nuv_fcat_flux

     Error for nuv_fcat value.

    

fuv_ncat_flux    : TTYPE43  (1E)  : 'flux    ' : FUV calibrated flux using NUV catalog position

     The FUV flux derived using the source position given in the NUV catalog.

     The file with extension "-fd-ncat.fits" contains FUV flux values computed

     using positions given in the "-nd-cat.fits" file.

    

fuv_ncat_fluxerr : TTYPE44  (1E)  : 'flux    ' : Error for fuv_ncat_flux

     Error for fuv_ncat value.

    

nuv_nc_r1        : TTYPE45  (1I)  : 'number  ' : NUV neighbor count out to radius R1

     Number of neighboring sources with a positive NUV flux values within

     radius R1 (from the primary source), where R1 is given by the FITS

     header card "R1".

    

nuv_nc_r2        : TTYPE46  (1I)  : 'number  ' : NUV neighbor count out to radius R2

     Number of neighboring sources with a positive NUV flux values within

     radius R2, where R2 is given by the FITS header card "R2".

    

nuv_nc_r3        : TTYPE47  (1I)  : 'number  ' : NUV neighbor count out to radius R3

     Number of neighboring sources with a positive NUV flux values within

     radius R3, where R3 is given by the FITS header card "R3".

    

fuv_nc_r1        : TTYPE48  (1I)  : 'number  ' : FUV neighbor count out to radius R1

     Number of neighboring sources with a positive FUV flux values within

     radius R1, where R1 is given by the FITS header card "R1".

    

fuv_nc_r2        : TTYPE49  (1I)  : 'number  ' : FUV neighbor count out to radius R2

     Number of neighboring sources with a positive FUV flux values within

     radius R2, where R2 is given by the FITS header card "R2".

    

fuv_nc_r3        : TTYPE50  (1I)  : 'number  ' : FUV neighbor count out to radius R3

     Number of neighboring sources with a positive FUV flux values within

     radius R3, where R3 is given by the FITS header card "R3".

    

nuv_nf_r1        : TTYPE51  (1E)  : 'flux    ' : NUV neighbor flux out to radius R1

     Sum of NUV flux from neighboring sources within radius R1.

    

nuv_nf_r2        : TTYPE52  (1E)  : 'flux    ' : NUV neighbor flux out to radius R2

     Sum of NUV flux from neighboring sources within radius R2.

    

nuv_nf_r3        : TTYPE53  (1E)  : 'flux    ' : NUV neighbor flux out to radius R3

     Sum of NUV flux from neighboring sources within radius R3.

    

fuv_nf_r1        : TTYPE54  (1E)  : 'flux    ' : FUV neighbor flux out to radius R1

     Sum of FUV flux from neighboring sources within radius R1.

    

fuv_nf_r2        : TTYPE55  (1E)  : 'flux    ' : FUV neighbor flux out to radius R2

     Sum of FUV flux from neighboring sources within radius R2.

    

fuv_nf_r3        : TTYPE56  (1E)  : 'flux    ' : FUV neighbor flux out to radius R3

     Sum of FUV flux from neighboring sources within radius R3.

    

cn_radius        : TTYPE57  (1E)  : 'arcseconds' : Closest neighbor radius in arcseconds

     Distance to closest neighbor from primary source.

    

cn_pa            : TTYPE58  (1E)  : 'degrees ' : Closest neighbor position angle in degrees

     Position angle in degrees to closest neighbor from primary source.

     If PA=0, then neighbor is north of the primary source, if PA=90,

     neighbor is to the west.

    

cn_mag_nuv       : TTYPE59  (1E)  : 'mag     ' : Closest neighbor NUV magnitude

     NUV magnitude of the closest neighbor.

    

cn_mag_fuv       : TTYPE60  (1E)  : 'mag     ' : Closest neighbor FUV magnitude

     FUV magnitude of the closest neighbor.

    

nuv_skybg        : TTYPE61  (1E)  : 'flux    ' : NUV sky background (photons/sec/sq.arcsec) (at

     Background value in photons per second per square arcsecond at

     the bandmerged source position.  This value is taken from the

     -nd-skybg.fits file image.

    

fuv_skybg        : TTYPE62  (1E)  : 'flux    ' : FUV sky background (photons/sec/sq.arcsec) (at

     Background value in photons per second per square arcsecond at the bandmerged

     source position.  This value is taken from the -fd-skybg.fits file image.

    

nuv_weight       : TTYPE63  (1E)  : 'seconds ' : NUV effective exposure (response) (mdn near sou

     Effective exposure time (or flat field response value) in seconds at the

     bandmerged source position.  This value is taken from the -nd-rrhr.fits

     file image.

    

fuv_weight       : TTYPE64  (1E)  : 'seconds ' : FUV effective exposure (response) (mdn near sou

     Effective exposure time (or flat field response value) in seconds at the

     bandmerged source position.  This value is taken from the -fd-rrhr.fits

     file image.

    

nuv_thres        : TTYPE65  (1E)  : 'sigmas  ' : NUV threshold sigmas (int-bg)/wt)

     Threshold sigmas for source detection at the bandmerged source position.

     This value is derived from the -nd-int.fits image, the -nd-skybg.fits image

     and the -nd-wt.fits image.  The formula is thres = ( int - skybg ) / wt .

    

fuv_thres        : TTYPE66  (1E)  : 'sigmas  ' : FUV threshold sigmas (int-bg)/wt)

     Threshold sigmas for source detection at the bandmerged source position.

     This value is derived from the -fd-int.fits image, the -fd-skybg.fits image

     and the -fd-wt.fits image.  The formula is thres = ( int - skybg ) / wt .

    

nuv_contrast     : TTYPE67  (1E)  : 'ratio   ' : NUV ratio of min to max response near source

     The minimum pixel value divided by the maximum pixel value within the

     extraction box.  The extraction box is defined by the columns NUV_XMIN_IMAGE,

     NUV_YMIN_IMAGE,NUV_XMAX_IMAGE, and NUV_YMAX_IMAGE. This ratio will be between

     0.0 and 1.0, inclusive.  The pixel size is given by the header card "NSXPIXS"

     with a nominal size of 1.5 arcseconds by 1.5 arcseconds.

    

fuv_contrast     : TTYPE68  (1E)  : 'ratio   ' : FUV ratio of min to max response near source

     The minimum pixel value divided by the maximum pixel value within the

     extraction box.  The extraction box is defined by the columns FUV_XMIN_IMAGE,

     FUV_YMIN_IMAGE,FUV_XMAX_IMAGE, and FUV_YMAX_IMAGE. This ratio will be between

     0.0 and 1.0, inclusive.  The pixel size is given by the header card "FSXPIXS"

     with a nominal size of 1.5 arcseconds by 1.5 arcseconds.

    

nuv_maskpix      : TTYPE69  (1J)  : 'number  ' : NUV number of masked pixels near source

     Number of masked pixels within the NUV extraction box (as described

     for nuv_contrast).

    

fuv_maskpix      : TTYPE70  (1J)  : 'number  ' : FUV number of masked pixels near source

     Number of masked pixels within the FUV extraction box (as described

     for fuv_contrast).

    

nuv_artifact     : TTYPE71  (1J)  : 'number  ' : NUV artifact flag (logical OR near source)

     Logical OR of artifact flags for pixels within NUV extraction box.

    

fuv_artifact     : TTYPE72  (1J)  : 'number  ' : FUV artifact flag (logical OR near source)

     Logical OR of artifact flags for pixels within FUV extraction box.

    

nuv_ambg         : TTYPE73  (1J)  : 'number  ' : NUV ambiguity flag.

     Ambiguity flag for the NUV source detection which is a potentially

     bandmerged source.  Refers to the match (or lack of match) between

     the NUV source and the FUV source detection.  A filled source has

     been matched and an unfilled source has no match. The flags are:

         0: unfilled, no candidates, no ambiguity.

         1: filled, first choice candidates agree, no ambiguity.

         2: filled, first choice matches second choice candidate.

         3: unfilled, first choice taken, no second choice candidate.

         4: filled, second choice matches a first choice candidate.

         5: filled, second choice matches a second choice candidate.

         6: unfilled, first and second taken, no third choice.

        -6: unfilled, first and second taken, third choice exists.

        -1: unfilled, cleared, unchecked.

        -2: not applicable, does not exist, blank.

    

fuv_ambg         : TTYPE74  (1J)  : 'number  ' : FUV ambiguity flag.

     Same as nuv_ambg, but for the FUV source detection.

    

nuv_nc           : TTYPE75  (1J)  : 'number  ' : NUV number of candidates.

     Number of potentially bandmerging FUV candidates for the NUV source detection.

    

fuv_nc           : TTYPE76  (1J)  : 'number  ' : FUV number of candidates.

     Number of potentially bandmerging NUV candidates for the FUV source detection.

    

nuv_cid1         : TTYPE77  (1J)  : 'number  ' : First candidate for NUV source(FUV IDs)

     Source ID number of the FUV source detection of the first (best)

     candidate to be merged with the NUV source detection.  This ID

     number will appear in the column FUV_NUMBER for the candidate

     entry in this table.

    

fuv_cid1         : TTYPE78  (1J)  : 'number  ' : First candidate for FUV source(NUV IDs)

     Source ID number of the NUV source detection of the first (best)

     candidate to be merged with the FUV source detection.  This ID

     number will appear in the column NUV_NUMBER for the candidate

     entry in this table.

    

nuv_cid2         : TTYPE79  (1J)  : 'number  ' : Second candidate for NUV source(FUV IDs)

     Source ID number of the FUV source which is the second best

     candidate to be merged with the NUV source.

    

fuv_cid2         : TTYPE80  (1J)  : 'number  ' : Second candidate for FUV source(NUV IDs)

     Source ID number of the NUV source which is the second best

     candidate to be merged with the FUV source.

    

nuv_cid3         : TTYPE81  (1J)  : 'number  ' : Third candidate for NUV source(FUV IDs)

     Source ID number of the FUV source which is the third best

     candidate to be merged with the NUV source.  Third candidates

     are rare (less than 0.5% occurrence) for GALEX.

    

fuv_cid3         : TTYPE82  (1J)  : 'number  ' : Third candidate for FUV source(NUV IDs)

     Source ID number of the NUV source which is the third best

     candidate to be merged with the FUV source.  Third candidates

     are rare (less than 0.5% occurrence) for GALEX.

    

sourcepa         : TTYPE83  (1E)  : 'degrees ' : position angle betw. band sources.

     For filled or bandmerged source pairs, the position angle in degrees of

     the FUV source position relative to the NUV source position.  A value of

     0 points east and 90 points north.  For example, if the FUV source position

     is directly west of the NUV source position, the sourcepa value would be 180.

     If the FUV source is directly south of the NUV source, then the sourcepa

     angle would 270.

    

objtype          : TTYPE84  (1J)  : 'number  ' : 0=galaxy,1=star,-1=unknown,etc.

     Not used.

    

quality          : TTYPE85  (1J)  : 'number  ' : Quality flag (undefined)

     Not used.

    

    

Columns copied from -nd-cat.fits (NUV SExtractor output table):

 

        NUV_NUMBER : TTYPE86  (1J)  : 'value   ' : Running object number

      NUV_FLUX_ISO : TTYPE87  (1E)  : 'flux    ' : Isophotal flux

   NUV_FLUXERR_ISO : TTYPE88  (1E)  : 'flux    ' : RMS error for isophotal flux

       NUV_MAG_ISO : TTYPE89  (1E)  : 'mag     ' : Isophotal magnitude

    NUV_MAGERR_ISO : TTYPE90  (1E)  : 'mag     ' : RMS error for isophotal magnitude

   NUV_FLUX_ISOCOR : TTYPE91  (1E)  : 'flux    ' : Corrected isophotal flux

NUV_FLUXERR_ISOCOR : TTYPE92  (1E)  : 'flux    ' : RMS error for corrected isophotal flux

    NUV_MAG_ISOCOR : TTYPE93  (1E)  : 'mag     ' : Corrected isophotal magnitude

 NUV_MAGERR_ISOCOR : TTYPE94  (1E)  : 'mag     ' : RMS error for corrected isophotal magnitude

   NUV_FLUX_APER_1 : TTYPE95  (1E)  : 'flux    ' : Flux aperture (   2.000)

   NUV_FLUX_APER_2 : TTYPE96  (1E)  : 'flux    ' : Flux aperture (   3.000)

   NUV_FLUX_APER_3 : TTYPE97  (1E)  : 'flux    ' : Flux aperture (   5.000)

   NUV_FLUX_APER_4 : TTYPE98  (1E)  : 'flux    ' : Flux aperture (   8.000)

   NUV_FLUX_APER_5 : TTYPE99  (1E)  : 'flux    ' : Flux aperture (  12.000)

   NUV_FLUX_APER_6 : TTYPE100 (1E)  : 'flux    ' : Flux aperture (  17.000)

   NUV_FLUX_APER_7 : TTYPE101 (1E)  : 'flux    ' : Flux aperture (  23.000)

NUV_FLUXERR_APER_1 : TTYPE102 (1E)  : 'flux    ' : Flux error aperture (   2.000)

NUV_FLUXERR_APER_2 : TTYPE103 (1E)  : 'flux    ' : Flux error aperture (   3.000)

NUV_FLUXERR_APER_3 : TTYPE104 (1E)  : 'flux    ' : Flux error aperture (   5.000)

NUV_FLUXERR_APER_4 : TTYPE105 (1E)  : 'flux    ' : Flux error aperture (   8.000)

NUV_FLUXERR_APER_5 : TTYPE106 (1E)  : 'flux    ' : Flux error aperture (  12.000)

NUV_FLUXERR_APER_6 : TTYPE107 (1E)  : 'flux    ' : Flux error aperture (  17.000)

NUV_FLUXERR_APER_7 : TTYPE108 (1E)  : 'flux    ' : Flux error aperture (  23.000)

    NUV_MAG_APER_1 : TTYPE109 (1E)  : 'mag     ' : Magnitude aperture (   2.000)

    NUV_MAG_APER_2 : TTYPE110 (1E)  : 'mag     ' : Magnitude aperture (   3.000)

    NUV_MAG_APER_3 : TTYPE111 (1E)  : 'mag     ' : Magnitude aperture (   5.000)

    NUV_MAG_APER_4 : TTYPE112 (1E)  : 'mag     ' : Magnitude aperture (   8.000)

    NUV_MAG_APER_5 : TTYPE113 (1E)  : 'mag     ' : Magnitude aperture (  12.000)

    NUV_MAG_APER_6 : TTYPE114 (1E)  : 'mag     ' : Magnitude aperture (  17.000)

    NUV_MAG_APER_7 : TTYPE115 (1E)  : 'mag     ' : Magnitude aperture (  23.000)

 NUV_MAGERR_APER_1 : TTYPE116 (1E)  : 'mag     ' : Magnitude error aperture (   2.000)

 NUV_MAGERR_APER_2 : TTYPE117 (1E)  : 'mag     ' : Magnitude error aperture (   3.000)

 NUV_MAGERR_APER_3 : TTYPE118 (1E)  : 'mag     ' : Magnitude error aperture (   5.000)

 NUV_MAGERR_APER_4 : TTYPE119 (1E)  : 'mag     ' : Magnitude error aperture (   8.000)

 NUV_MAGERR_APER_5 : TTYPE120 (1E)  : 'mag     ' : Magnitude error aperture (  12.000)

 NUV_MAGERR_APER_6 : TTYPE121 (1E)  : 'mag     ' : Magnitude error aperture (  17.000)

 NUV_MAGERR_APER_7 : TTYPE122 (1E)  : 'mag     ' : Magnitude error aperture (  23.000)

     NUV_FLUX_AUTO : TTYPE123 (1E)  : 'flux    ' : Flux within a Kron-like elliptical aperture

  NUV_FLUXERR_AUTO : TTYPE124 (1E)  : 'flux    ' : RMS error for AUTO flux

      NUV_MAG_AUTO : TTYPE125 (1E)  : 'mag     ' : Kron-like elliptical aperture magnitude

   NUV_MAGERR_AUTO : TTYPE126 (1E)  : 'mag     ' : RMS error for AUTO magnitude

     NUV_FLUX_BEST : TTYPE127 (1E)  : 'flux    ' : Best of FLUX_AUTO and FLUX_ISOCOR

  NUV_FLUXERR_BEST : TTYPE128 (1E)  : 'flux    ' : RMS error for BEST flux

      NUV_MAG_BEST : TTYPE129 (1E)  : 'mag     ' : Best of MAG_AUTO and MAG_ISOCOR

   NUV_MAGERR_BEST : TTYPE130 (1E)  : 'mag     ' : RMS error for MAG_BEST

 NUV_FLUX_RADIUS_1 : TTYPE131 (1E)  : 'pixel   ' : Fraction-of-light radius (  0.2000)

 NUV_FLUX_RADIUS_2 : TTYPE132 (1E)  : 'pixel   ' : Fraction-of-light radius (  0.5000)

 NUV_FLUX_RADIUS_3 : TTYPE133 (1E)  : 'pixel   ' : Fraction-of-light radius (  0.8000)

 NUV_FLUX_RADIUS_4 : TTYPE134 (1E)  : 'pixel   ' : Fraction-of-light radius (  0.9000)

 NUV_FLUX_RADIUS_5 : TTYPE135 (1E)  : 'pixel   ' : Fraction-of-light radius (  0.9500)

         NUV_ZPMAG : TTYPE136 (1E)  : 'mag     ' : NUV zero point magnitude correction.

   NUV_KRON_RADIUS : TTYPE137 (1E)  : 'pixel   ' : Kron apertures in units of A or B

    NUV_BACKGROUND : TTYPE138 (1E)  : 'count   ' : Background at centroid position

     NUV_THRESHOLD : TTYPE139 (1E)  : 'number  ' : Detection threshold above background

  NUV_MU_THRESHOLD : TTYPE140 (1E)  : 'number  ' : Detection threshold above background

      NUV_FLUX_MAX : TTYPE141 (1E)  : 'number  ' : Peak flux above background

        NUV_MU_MAX : TTYPE142 (1E)  : 'number  ' : Peak surface brightness above background

 NUV_ISOAREA_IMAGE : TTYPE143 (1E)  : 'number  ' : Isophotal area above Analysis threshold

 NUV_ISOAREA_WORLD : TTYPE144 (1E)  : 'number  ' : Isophotal area above Analysis threshold

    NUV_XMIN_IMAGE : TTYPE145 (1J)  : 'pixel   ' : Minimum x-coordinate among detected pixels

    NUV_YMIN_IMAGE : TTYPE146 (1J)  : 'pixel   ' : Minimum y-coordinate among detected pixels

    NUV_XMAX_IMAGE : TTYPE147 (1J)  : 'pixel   ' : Maximum x-coordinate among detected pixels

    NUV_YMAX_IMAGE : TTYPE148 (1J)  : 'pixel   ' : Maximum y-coordinate among detected pixels

       NUV_X_IMAGE : TTYPE149 (1E)  : 'pixel   ' : Object position along x

       NUV_Y_IMAGE : TTYPE150 (1E)  : 'pixel   ' : Object position along y

   NUV_XPEAK_IMAGE : TTYPE151 (1J)  : 'count   ' : x-coordinate of the brightest pixel

   NUV_YPEAK_IMAGE : TTYPE152 (1J)  : 'count   ' : y-coordinate of the brightest pixel

   NUV_ALPHA_J2000 : TTYPE153 (1D)  : 'degrees ' : Right ascension of barycenter (J2000)

   NUV_DELTA_J2000 : TTYPE154 (1D)  : 'degrees ' : Declination of barycenter (J2000)

      NUV_X2_IMAGE : TTYPE155 (1E)  : 'pixel   ' : Variance along x

      NUV_Y2_IMAGE : TTYPE156 (1E)  : 'pixel   ' : Variance along y

      NUV_XY_IMAGE : TTYPE157 (1E)  : 'pixel   ' : Covariance between x and y

      NUV_X2_WORLD : TTYPE158 (1E)  : 'number  ' : Variance along X-WORLD (alpha)

      NUV_Y2_WORLD : TTYPE159 (1E)  : 'number  ' : Variance along Y-WORLD (delta)

      NUV_XY_WORLD : TTYPE160 (1E)  : 'number  ' : Covariance between X-WORLD and Y-WORLD

     NUV_CXX_IMAGE : TTYPE161 (1E)  : 'number  ' : Cxx object ellipse parameter

     NUV_CYY_IMAGE : TTYPE162 (1E)  : 'number  ' : Cyy object ellipse parameter

     NUV_CXY_IMAGE : TTYPE163 (1E)  : 'number  ' : Cxy object ellipse parameter

     NUV_CXX_WORLD : TTYPE164 (1E)  : 'number  ' : Cxx object ellipse parameter (WORLD units)

     NUV_CYY_WORLD : TTYPE165 (1E)  : 'number  ' : Cyy object ellipse parameter (WORLD units)

     NUV_CXY_WORLD : TTYPE166 (1E)  : 'number  ' : Cxy object ellipse parameter (WORLD units)

       NUV_A_IMAGE : TTYPE167 (1E)  : 'number  ' : Profile RMS along major axis

       NUV_B_IMAGE : TTYPE168 (1E)  : 'number  ' : Profile RMS along minor axis

       NUV_A_WORLD : TTYPE169 (1E)  : 'number  ' : Profile RMS along major axis (world units)

       NUV_B_WORLD : TTYPE170 (1E)  : 'number  ' : Profile RMS along minor axis (world units)

   NUV_THETA_IMAGE : TTYPE171 (1E)  : 'degrees ' : Position angle (CCW/x)

   NUV_THETA_WORLD : TTYPE172 (1E)  : 'degrees ' : Position angle (CCW/world-x)

   NUV_THETA_J2000 : TTYPE173 (1E)  : 'degrees ' : Position angle (east of north) (J2000)

    NUV_ELONGATION : TTYPE174 (1E)  : 'number  ' : A_IMAGE/B_IMAGE

   NUV_ELLIPTICITY : TTYPE175 (1E)  : 'number  ' : 1 - B_IMAGE/A_IMAGE

   NUV_ERRX2_IMAGE : TTYPE176 (1D)  : 'number  ' : Variance of position along x

   NUV_ERRY2_IMAGE : TTYPE177 (1D)  : 'number  ' : Variance of position along y

   NUV_ERRXY_IMAGE : TTYPE178 (1E)  : 'number  ' : Covariance of position between x and y

   NUV_ERRX2_WORLD : TTYPE179 (1D)  : 'number  ' : Variance of position along X-WORLD (alpha)

   NUV_ERRY2_WORLD : TTYPE180 (1D)  : 'number  ' : Variance of position along Y-WORLD (delta)

   NUV_ERRXY_WORLD : TTYPE181 (1E)  : 'number  ' : Covariance of position X-WORLD/Y-WORLD

  NUV_ERRCXX_IMAGE : TTYPE182 (1E)  : 'number  ' : Cxx error ellipse parameter

  NUV_ERRCYY_IMAGE : TTYPE183 (1E)  : 'number  ' : Cyy error ellipse parameter

  NUV_ERRCXY_IMAGE : TTYPE184 (1E)  : 'number  ' : Cxy error ellipse parameter

  NUV_ERRCXX_WORLD : TTYPE185 (1E)  : 'number  ' : Cxx error ellipse parameter (WORLD units)

  NUV_ERRCYY_WORLD : TTYPE186 (1E)  : 'number  ' : Cyy error ellipse parameter (WORLD units)

  NUV_ERRCXY_WORLD : TTYPE187 (1E)  : 'number  ' : Cxy error ellipse parameter (WORLD units)

    NUV_ERRA_IMAGE : TTYPE188 (1E)  : 'number  ' : RMS position error along major axis

    NUV_ERRB_IMAGE : TTYPE189 (1E)  : 'number  ' : RMS position error along minor axis

    NUV_ERRA_WORLD : TTYPE190 (1E)  : 'number  ' : World RMS position error along major axis

    NUV_ERRB_WORLD : TTYPE191 (1E)  : 'number  ' : World RMS position error along minor axis

NUV_ERRTHETA_IMAGE : TTYPE192 (1E)  : 'number  ' : Error ellipse position angle (CCW/x)

NUV_ERRTHETA_WORLD : TTYPE193 (1E)  : 'number  ' : Error ellipse pos. angle (CCW/world-x)

NUV_ERRTHETA_J2000 : TTYPE194 (1E)  : 'number  ' : J2000 error ellipse pos. angle (east of north)

    NUV_FWHM_IMAGE : TTYPE195 (1E)  : 'pixel   ' : FWHM assuming a gaussian core

    NUV_FWHM_WORLD : TTYPE196 (1E)  : 'deg     ' : FWHM assuming a gaussian core

         NUV_FLAGS : TTYPE197 (1I)  : 'value   ' : Extraction flags

    NUV_CLASS_STAR : TTYPE198 (1E)  : 'value   ' : S/G classifier output

 

 

Columns copied from -fd-cat.fits (FUV SExtractor output table):

 

        FUV_NUMBER : TTYPE199 (1J)  : 'value   ' : Running object number

      FUV_FLUX_ISO : TTYPE200 (1E)  : 'flux    ' : Isophotal flux

   FUV_FLUXERR_ISO : TTYPE201 (1E)  : 'flux    ' : RMS error for isophotal flux

       FUV_MAG_ISO : TTYPE202 (1E)  : 'mag     ' : Isophotal magnitude

    FUV_MAGERR_ISO : TTYPE203 (1E)  : 'mag     ' : RMS error for isophotal magnitude

   FUV_FLUX_ISOCOR : TTYPE204 (1E)  : 'flux    ' : Corrected isophotal flux

FUV_FLUXERR_ISOCOR : TTYPE205 (1E)  : 'flux    ' : RMS error for corrected isophotal flux

    FUV_MAG_ISOCOR : TTYPE206 (1E)  : 'mag     ' : Corrected isophotal magnitude

 FUV_MAGERR_ISOCOR : TTYPE207 (1E)  : 'mag     ' : RMS error for corrected isophotal magnitude

   FUV_FLUX_APER_1 : TTYPE208 (1E)  : 'flux    ' : Flux aperture (   2.000)

   FUV_FLUX_APER_2 : TTYPE209 (1E)  : 'flux    ' : Flux aperture (   3.000)

   FUV_FLUX_APER_3 : TTYPE210 (1E)  : 'flux    ' : Flux aperture (   5.000)

   FUV_FLUX_APER_4 : TTYPE211 (1E)  : 'flux    ' : Flux aperture (   8.000)

   FUV_FLUX_APER_5 : TTYPE212 (1E)  : 'flux    ' : Flux aperture (  12.000)

   FUV_FLUX_APER_6 : TTYPE213 (1E)  : 'flux    ' : Flux aperture (  17.000)

   FUV_FLUX_APER_7 : TTYPE214 (1E)  : 'flux    ' : Flux aperture (  23.000)

FUV_FLUXERR_APER_1 : TTYPE215 (1E)  : 'flux    ' : Flux error aperture (   2.000)

FUV_FLUXERR_APER_2 : TTYPE216 (1E)  : 'flux    ' : Flux error aperture (   3.000)

FUV_FLUXERR_APER_3 : TTYPE217 (1E)  : 'flux    ' : Flux error aperture (   5.000)

FUV_FLUXERR_APER_4 : TTYPE218 (1E)  : 'flux    ' : Flux error aperture (   8.000)

FUV_FLUXERR_APER_5 : TTYPE219 (1E)  : 'flux    ' : Flux error aperture (  12.000)

FUV_FLUXERR_APER_6 : TTYPE220 (1E)  : 'flux    ' : Flux error aperture (  17.000)

FUV_FLUXERR_APER_7 : TTYPE221 (1E)  : 'flux    ' : Flux error aperture (  23.000)

    FUV_MAG_APER_1 : TTYPE222 (1E)  : 'mag     ' : Magnitude aperture (   2.000)

    FUV_MAG_APER_2 : TTYPE223 (1E)  : 'mag     ' : Magnitude aperture (   3.000)

    FUV_MAG_APER_3 : TTYPE224 (1E)  : 'mag     ' : Magnitude aperture (   5.000)

    FUV_MAG_APER_4 : TTYPE225 (1E)  : 'mag     ' : Magnitude aperture (   8.000)

    FUV_MAG_APER_5 : TTYPE226 (1E)  : 'mag     ' : Magnitude aperture (  12.000)

    FUV_MAG_APER_6 : TTYPE227 (1E)  : 'mag     ' : Magnitude aperture (  17.000)

    FUV_MAG_APER_7 : TTYPE228 (1E)  : 'mag     ' : Magnitude aperture (  23.000)

 FUV_MAGERR_APER_1 : TTYPE229 (1E)  : 'mag     ' : Magnitude error aperture (   2.000)

 FUV_MAGERR_APER_2 : TTYPE230 (1E)  : 'mag     ' : Magnitude error aperture (   3.000)

 FUV_MAGERR_APER_3 : TTYPE231 (1E)  : 'mag     ' : Magnitude error aperture (   5.000)

 FUV_MAGERR_APER_4 : TTYPE232 (1E)  : 'mag     ' : Magnitude error aperture (   8.000)

 FUV_MAGERR_APER_5 : TTYPE233 (1E)  : 'mag     ' : Magnitude error aperture (  12.000)

 FUV_MAGERR_APER_6 : TTYPE234 (1E)  : 'mag     ' : Magnitude error aperture (  17.000)

 FUV_MAGERR_APER_7 : TTYPE235 (1E)  : 'mag     ' : Magnitude error aperture (  23.000)

     FUV_FLUX_AUTO : TTYPE236 (1E)  : 'flux    ' : Flux within a Kron-like elliptical aperture

  FUV_FLUXERR_AUTO : TTYPE237 (1E)  : 'flux    ' : RMS error for AUTO flux

      FUV_MAG_AUTO : TTYPE238 (1E)  : 'mag     ' : Kron-like elliptical aperture magnitude

   FUV_MAGERR_AUTO : TTYPE239 (1E)  : 'mag     ' : RMS error for AUTO magnitude

     FUV_FLUX_BEST : TTYPE240 (1E)  : 'flux    ' : Best of FLUX_AUTO and FLUX_ISOCOR

  FUV_FLUXERR_BEST : TTYPE241 (1E)  : 'flux    ' : RMS error for BEST flux

      FUV_MAG_BEST : TTYPE242 (1E)  : 'mag     ' : Best of MAG_AUTO and MAG_ISOCOR

   FUV_MAGERR_BEST : TTYPE243 (1E)  : 'mag     ' : RMS error for MAG_BEST

 FUV_FLUX_RADIUS_1 : TTYPE244 (1E)  : 'pixel   ' : Fraction-of-light radius (  0.2000)

 FUV_FLUX_RADIUS_2 : TTYPE245 (1E)  : 'pixel   ' : Fraction-of-light radius (  0.5000)

 FUV_FLUX_RADIUS_3 : TTYPE246 (1E)  : 'pixel   ' : Fraction-of-light radius (  0.8000)

 FUV_FLUX_RADIUS_4 : TTYPE247 (1E)  : 'pixel   ' : Fraction-of-light radius (  0.9000)

 FUV_FLUX_RADIUS_5 : TTYPE248 (1E)  : 'pixel   ' : Fraction-of-light radius (  0.9500)

         FUV_ZPMAG : TTYPE249 (1E)  : 'mag     ' : FUV zero point magnitude correction.

   FUV_KRON_RADIUS : TTYPE250 (1E)  : 'pixel   ' : Kron apertures in units of A or B

    FUV_BACKGROUND : TTYPE251 (1E)  : 'count   ' : Background at centroid position

     FUV_THRESHOLD : TTYPE252 (1E)  : 'number  ' : Detection threshold above background

  FUV_MU_THRESHOLD : TTYPE253 (1E)  : 'number  ' : Detection threshold above background

      FUV_FLUX_MAX : TTYPE254 (1E)  : 'number  ' : Peak flux above background

        FUV_MU_MAX : TTYPE255 (1E)  : 'number  ' : Peak surface brightness above background

 FUV_ISOAREA_IMAGE : TTYPE256 (1E)  : 'number  ' : Isophotal area above Analysis threshold

 FUV_ISOAREA_WORLD : TTYPE257 (1E)  : 'number  ' : Isophotal area above Analysis threshold

    FUV_XMIN_IMAGE : TTYPE258 (1J)  : 'pixel   ' : Minimum x-coordinate among detected pixels

    FUV_YMIN_IMAGE : TTYPE259 (1J)  : 'pixel   ' : Minimum y-coordinate among detected pixels

    FUV_XMAX_IMAGE : TTYPE260 (1J)  : 'pixel   ' : Maximum x-coordinate among detected pixels

    FUV_YMAX_IMAGE : TTYPE261 (1J)  : 'pixel   ' : Maximum y-coordinate among detected pixels

       FUV_X_IMAGE : TTYPE262 (1E)  : 'pixel   ' : Object position along x

       FUV_Y_IMAGE : TTYPE263 (1E)  : 'pixel   ' : Object position along y

   FUV_XPEAK_IMAGE : TTYPE264 (1J)  : 'count   ' : x-coordinate of the brightest pixel

   FUV_YPEAK_IMAGE : TTYPE265 (1J)  : 'count   ' : y-coordinate of the brightest pixel

   FUV_ALPHA_J2000 : TTYPE266 (1D)  : 'degrees ' : Right ascension of barycenter (J2000)

   FUV_DELTA_J2000 : TTYPE267 (1D)  : 'degrees ' : Declination of barycenter (J2000)

      FUV_X2_IMAGE : TTYPE268 (1E)  : 'pixel   ' : Variance along x

      FUV_Y2_IMAGE : TTYPE269 (1E)  : 'pixel   ' : Variance along y

      FUV_XY_IMAGE : TTYPE270 (1E)  : 'pixel   ' : Covariance between x and y

      FUV_X2_WORLD : TTYPE271 (1E)  : 'number  ' : Variance along X-WORLD (alpha)

      FUV_Y2_WORLD : TTYPE272 (1E)  : 'number  ' : Variance along Y-WORLD (delta)

      FUV_XY_WORLD : TTYPE273 (1E)  : 'number  ' : Covariance between X-WORLD and Y-WORLD

     FUV_CXX_IMAGE : TTYPE274 (1E)  : 'number  ' : Cxx object ellipse parameter

     FUV_CYY_IMAGE : TTYPE275 (1E)  : 'number  ' : Cyy object ellipse parameter

     FUV_CXY_IMAGE : TTYPE276 (1E)  : 'number  ' : Cxy object ellipse parameter

     FUV_CXX_WORLD : TTYPE277 (1E)  : 'number  ' : Cxx object ellipse parameter (WORLD units)

     FUV_CYY_WORLD : TTYPE278 (1E)  : 'number  ' : Cyy object ellipse parameter (WORLD units)

     FUV_CXY_WORLD : TTYPE279 (1E)  : 'number  ' : Cxy object ellipse parameter (WORLD units)

       FUV_A_IMAGE : TTYPE280 (1E)  : 'number  ' : Profile RMS along major axis

       FUV_B_IMAGE : TTYPE281 (1E)  : 'number  ' : Profile RMS along minor axis

       FUV_A_WORLD : TTYPE282 (1E)  : 'number  ' : Profile RMS along major axis (world units)

       FUV_B_WORLD : TTYPE283 (1E)  : 'number  ' : Profile RMS along minor axis (world units)

   FUV_THETA_IMAGE : TTYPE284 (1E)  : 'degrees ' : Position angle (CCW/x)

   FUV_THETA_WORLD : TTYPE285 (1E)  : 'degrees ' : Position angle (CCW/world-x)

   FUV_THETA_J2000 : TTYPE286 (1E)  : 'degrees ' : Position angle (east of north) (J2000)

    FUV_ELONGATION : TTYPE287 (1E)  : 'number  ' : A_IMAGE/B_IMAGE

   FUV_ELLIPTICITY : TTYPE288 (1E)  : 'number  ' : 1 - B_IMAGE/A_IMAGE

   FUV_ERRX2_IMAGE : TTYPE289 (1D)  : 'number  ' : Variance of position along x

   FUV_ERRY2_IMAGE : TTYPE290 (1D)  : 'number  ' : Variance of position along y

   FUV_ERRXY_IMAGE : TTYPE291 (1E)  : 'number  ' : Covariance of position between x and y

   FUV_ERRX2_WORLD : TTYPE292 (1D)  : 'number  ' : Variance of position along X-WORLD (alpha)

   FUV_ERRY2_WORLD : TTYPE293 (1D)  : 'number  ' : Variance of position along Y-WORLD (delta)

   FUV_ERRXY_WORLD : TTYPE294 (1E)  : 'number  ' : Covariance of position X-WORLD/Y-WORLD

  FUV_ERRCXX_IMAGE : TTYPE295 (1E)  : 'number  ' : Cxx error ellipse parameter

  FUV_ERRCYY_IMAGE : TTYPE296 (1E)  : 'number  ' : Cyy error ellipse parameter

  FUV_ERRCXY_IMAGE : TTYPE297 (1E)  : 'number  ' : Cxy error ellipse parameter

  FUV_ERRCXX_WORLD : TTYPE298 (1E)  : 'number  ' : Cxx error ellipse parameter (WORLD units)

  FUV_ERRCYY_WORLD : TTYPE299 (1E)  : 'number  ' : Cyy error ellipse parameter (WORLD units)

  FUV_ERRCXY_WORLD : TTYPE300 (1E)  : 'number  ' : Cxy error ellipse parameter (WORLD units)

    FUV_ERRA_IMAGE : TTYPE301 (1E)  : 'number  ' : RMS position error along major axis

    FUV_ERRB_IMAGE : TTYPE302 (1E)  : 'number  ' : RMS position error along minor axis

    FUV_ERRA_WORLD : TTYPE303 (1E)  : 'number  ' : World RMS position error along major axis

    FUV_ERRB_WORLD : TTYPE304 (1E)  : 'number  ' : World RMS position error along minor axis

FUV_ERRTHETA_IMAGE : TTYPE305 (1E)  : 'number  ' : Error ellipse position angle (CCW/x)

FUV_ERRTHETA_WORLD : TTYPE306 (1E)  : 'number  ' : Error ellipse pos. angle (CCW/world-x)

FUV_ERRTHETA_J2000 : TTYPE307 (1E)  : 'number  ' : J2000 error ellipse pos. angle (east of north)

    FUV_FWHM_IMAGE : TTYPE308 (1E)  : 'pixel   ' : FWHM assuming a gaussian core

    FUV_FWHM_WORLD : TTYPE309 (1E)  : 'deg     ' : FWHM assuming a gaussian core

         FUV_FLAGS : TTYPE310 (1I)  : 'value   ' : Extraction flags

    FUV_CLASS_STAR : TTYPE311 (1E)  : 'value   ' : S/G classifier output