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II/335/galex_ais Revised catalog of GALEX UV sources (GUVcat_AIS GR6+7) (Bianchi+ 2017)
Sample of the revised GALEX catalog of UV sources (GUVcat_AIS) from GR6+7 (82,992,086 sources) (original column names in green) (82992086 rows)
  -c=004.075821 +34.390379, eq=J2000, rs=2
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Note:

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (004.075821+34.390379)[FK5/J2000] (pos.angDistance)
_RAJ200000 16 18.19704 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+34 23 25.3644 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195000 13 41.45183 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+34 06 45.6396 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon114.73277084 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-27.92138354 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

RA004.075821 deg (i) Source's right ascension (J2000) (RA) (pos.eq.ra;meta.main)
DEC+34.390379 deg (i) Source's declination (J2000) (DEC) (pos.eq.dec;meta.main)
NameGALEX J001618.1+342325  (i) GALEX identifier in JHHMMSS.s+DDMMSS format; Column added by CDS (meta.id)
objid6372252859340165609  (i) GALEX identifier for the source (objid) (meta.id;meta.main)
photoextractid6372252859337015296  Pointer to photoExtract Table (id of original observation on which the measurement was taken) (photoextractid) (meta.id)
mpstypeAIS  Survey type (always "AIS" = All-sky Imaging Survey) (mpstype) (meta.id;meta.dataset)
avaspra 4.334377 deg RA of center of field (avaspra) (pos.eq.ra)
avaspdec 34.298815 deg DE of center of field (avaspdec) (pos.eq.dec)
FUVexp253.00 s [30/709] FUV exposure time (time.duration;obs.exposure;em.UV.100-200nm)
NUVexp 697.00 s [30/1134] NUV exposure time (time.duration;obs.exposure;em.UV.200-300nm)
GLON114.7329 deg Galactic longitude (pos.galactic.lon)
GLAT-27.9214 deg Galactic latitude (pos.galactic.lat)
tilenum50038   [50000/50491] Tile number (tilenum) (obs.field)
img2913   [33/3172] Image number (img) (meta.id)
subvisit91   [1/99] Number of subvisit if exposure was divided (subvisit) (meta.id)
fov_radius 0.232287 deg [/0.6] Distance of source from center of the field (fov_radius) (pos.angDistance)
type1   [1] Observation type (1=multi) (type) (meta.note)
band3   [1/3] bands: 1=NUV, 2=FUV, 3=both (band) (meta.code)
E_bv 0.0515 mag [0.0007/0.5] E(B-V) Galactic Reddening (from Schlegel+ 1998ApJ...500..525S maps) (E_bv) (phot.color.excess)
istherespectrum0   [0/1] 1 if a spectrum exists (istherespectrum) (meta.code)
chkobj_type0   [0/1] Astrometry check type (chkobj_type) (meta.code)
fuv_mag20.2500 mag (i) [10.6/23.8] GALEX FUV calibrated magnitude in AB system (fuv_mag) (phot.mag;em.UV.100-200nm)
fuv_magerr 0.1424 mag [0.001/0.6] FUV mag error (fuv_magerr) (stat.error;phot.mag;em.UV.100-200nm)
nuv_mag16.6927 mag (i) [9.6/24.5] GALEX NUV calibrated magnitude in AB system (nuv_mag) (phot.mag;em.UV.200-300nm)
nuv_magerr 0.0092 mag [0.0007/0.5] NUV mag error (nuv_magerr) (stat.error;phot.mag;em.UV.200-300nm)
fuv_mag_auto 1.4300 mag [-8.2/5] FUV Kron-like elliptical aperture magnitude (fuv_mag_auto) (phot.mag;em.UV.100-200nm)
fuv_magerr_auto 0.1424 mag [0.001/0.6] FUV RMS error for AUTO magnitude (fuv_magerr_auto) (stat.error;phot.mag;em.UV.100-200nm)
nuv_mag_auto -3.3873 mag [-10.5/4.4] NUV Kron-like elliptical aperture magnitude (nuv_mag_auto) (phot.mag;em.UV.200-300nm)
nuv_magerr_auto 0.0092 mag [0.0007/0.5] NUV RMS error for AUTO magnitude (nuv_magerr_auto) (stat.error)
fuv_mag_aper_4 1.4289 mag [-7.2/99] FUV mag aperture (8 pix diameter) (fuv_mag_aper_4) (phot.mag;em.UV.100-200nm)
fuv_magerr_aper_4 0.1403 mag [0.002/4911] FUV mag aperture error (8 pix diameter) (fuv_magerr_aper_4) (stat.error;phot.mag;em.UV.100-200nm)
nuv_mag_aper_4-3.2690 mag [-7.5/99] NUV mag aperture (8 pix diameter) (nuv_mag_aper_4) (phot.mag;em.UV.200-300nm)
nuv_magerr_aper_4 0.0095 mag [0.001/2559] NUV mag aperture error (8 pix diameter) (nuv_magerr_aper_4) (stat.error)
fuv_mag_aper_6 1.5174 mag [-7.4/99] FUV mag aperture (17 pix diameter) (fuv_mag_aper_6) (phot.mag;em.UV.100-200nm)
fuv_magerr_aper_6 0.1664 mag [0.001/37286] FUV mag aperture error (17 pix diameter) (fuv_magerr_aper_6) (stat.error;phot.mag;em.UV.100-200nm)
nuv_mag_aper_6-3.3667 mag [-8.3/99] NUV mag aperture (17 pix diameter) (nuv_mag_aper_6) (phot.mag;em.UV.200-300nm)
nuv_magerr_aper_6 0.0091 mag [0.001/15473111] NUV mag aperture error (17 pix diameter) (nuv_magerr_aper_6) (stat.error)
fuv_artifact 0   [0/416] FUV artifact flag (logical OR near source) (fuv_artifact) (meta.code)
nuv_artifact 0   [0/913] NUV artifact flag (logical OR near source) (nuv_artifact) (meta.code)
fuv_flags 0   [0/19] Extraction flags for FUV band (fuv_flags) (meta.code)
nuv_flags 0   [0/51] Extraction flags for NUV band (nuv_flags) (meta.code)
fuv_flux 28.84120 uJy [1/201899] FUV calibrated flux (fuv_flux) (phot.flux;em.UV)
fuv_fluxerr 3.78298 uJy [0.5/18719] FUV flux error (fuv_fluxerr) (stat.error)
nuv_flux 763.69202 uJy [0.6/202886] NUV calibrated flux (nuv_flux) (phot.flux;em.UV)
nuv_fluxerr 6.44377 uJy [0.2/3649] NUV flux error (nuv_fluxerr) (stat.error)
fuv_x_image2376.42 pix Source position in FUV image along x (fuv_x_image) (pos.cartesian.x;instr.det)
fuv_y_image2143.55 pix Source position in UV image along y (fuv_y_image) (pos.cartesian.y;instr.det)
nuv_x_image2376.67 pix Source position in NUV image along x (nuv_x_image) (pos.cartesian.x;instr.det)
nuv_y_image2143.93 pix Source position in NUV image along y (nuv_y_image) (pos.cartesian.y;instr.det)
fuv_fwhm_image 5.382 pix Source FWHM in FUV assuming a gaussian core (fuv_fwhm_image) (phys.angSize;em.UV.100-200nm)
nuv_fwhm_image 3.546 pix Source FWHM in NUV assuming a gaussian core (nuv_fwhm_image) (phys.angSize;em.UV.200-300nm)
fuv_fwhm_world 0.002000 deg [-0.2/0.3] Source FWHM in FUV assuming a gaussian core (fuv_fwhm_world) (phys.angSize;em.UV.100-200nm)
nuv_fwhm_world 0.001000 deg [-0.1/0.5] Source FWHM in NUV assuming a gaussian core (nuv_fwhm_world) (phys.angSize;em.UV.200-300nm)
nuv_class_star 0.9923  Star/galaxy classifier from NUV (nuv_class_star) (src.class.starGalaxy)
fuv_class_star 0.9836   Star/galaxy classifier from FUV (fuv_class_star) (src.class.starGalaxy)
nuv_ellipticity 0.1460  1-b/a in NUV (nuv_ellipticity) (src.ellipticity)
fuv_ellipticity 0.0465   1-b/a in FUV (fuv_ellipticity) (src.ellipticity)
nuv_theta_j2000 3.13 deg Position angle in NUV (nuv_theta_j2000) (pos.posAng)
nuv_errtheta_j2000 -0.59 deg [-90/] Position angle error in NUV (nuv_errtheta_j2000) (stat.error)
fuv_theta_j2000 51.93 deg Position angle in FUV (fuv_theta_j2000) (pos.posAng)
fuv_errtheta_j2000 51.93 deg [-90/] Position angle error in FUV (fuv_errtheta_j2000) (stat.error)
fuv_ncat_fwhm_image 1.9e+01 pix [/965] FUV FWHM IMAGE value from -fd-ncat.fits (fuv_ncat_fwhm_image) (Note 4)   (phys.angSize)
fuv_ncat_flux_rad_3 2.0e+00 pix [/1.98E7] FUV flux radius (fuv_ncat_flux_rad_3) (Note 4)   (phys.angSize;src)
nuv_kron_radius 3.50000   [3.5/13.2] Kron apertures in units of a or b (nuv_kron_radius) (phys.angSize;src)
nuv_a_world 0.001458 deg [0.0002/0.1] Profile RMS along major axis (nuv_a_world) (phys.angSize.smajAxis)
nuv_b_world 0.001245 deg [0.00004/0.06] Profile RMS along minor axis (nuv_b_world) (phys.angSize.sminAxis)
fuv_kron_radius 3.50000   [3.5/11] Kron apertures in units of a or b (fuv_kron_radius) (phys.angSize;src)
fuv_a_world 0.000675 deg [0.0002/0.06] Profile RMS along major axis (fuv_a_world) (phys.angSize.smajAxis)
fuv_b_world 0.000644 deg [0.0001/0.03] Profile RMS along minor axis (fuv_b_world) (phys.angSize.sminAxis)
nuv_weight508.3 s [0/964] NUV effective exposure (flat-field response value) at the source position (nuv_weight) (time.expo)
fuv_weight220.8 s [0/700] FUV effective exposure (fuv_weight) (time.expo)
prob 6.58000e-01   Probability of the FUVxNUV match (prob) (stat.probability)
sep 0.53 arcsec [0/7.1] Separation between FUV and NUV position of the source in the same observation (sep) (pos.angDistance)
nuv_poserr 0.49 arcsec [0.4/3.3] Position error of the source in the NUV image (nuv_poserr) (stat.error;pos)
fuv_poserr 0.72 arcsec [0.4/2.4] Position error of the source in the FUV image (fuv_poserr) (stat.error;pos)
ib_poserr 0.57 arcsec [0.4/3.4] Inter-band position error (ib_poserr) (stat.error;pos)
nuv_pperr 0.05 arcsec [0.001/2.8] NUV Poisson position error (nuv_pperr) (stat.error;pos)
fuv_pperr 0.10 arcsec [0.001/1.6] FUV Poisson position error (fuv_pperr) (stat.error;pos)
corvC   [CV] Whether the source comes from a coadd or visit (corv) (meta.code)
grank 0   [-1/1] Neighbours rank (grank) (Note 1)   (meta.note)
ngrank 1   [1/12] Number of sources within 2.5", if this is a primary (ngrank) (meta.number)
primgid6372252859340165120  objid of the primary (only of use for the "plus" catalog) (primgid) (meta.id.assoc)
groupgid6372252859340165609  objid's of all sources (AIS) within 2.5", concatenated by "+" (groupgid) (meta.id.assoc)
grankdist 0   [-1/1] as for "G" (grank), but based on distance criterion (grankdist) (Note 1)   (meta.note)
ngrankdist 1   [1/12] as for "N" (ngrank), but based on distance criterion (ngrankdist) (meta.number)
primgiddist6372252859340165120  objid of the closest primary, based on distance criterion (primgiddist) (meta.id.assoc)
groupgiddist6372252859340165609  objid's of all sources (AIS) within 2.5", based on distance criterion (groupgiddist) (meta.id.assoc)
groupgidtot6372252859340165609  objid's of all sources within 2.5" (groupgidtot) (meta.id.assoc)
inlargeobjN  Extended object? (if not: "N") (inlargeobj) (Note 2)   (meta.id.assoc)
largeobjsize  pix [/38740] Size of the extended object (largeobjsize) (Note 3)   (phys.angSize)
  
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