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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJS/268/41
  The GALEX Flare Catalog (GFCAT) (Million+, 2023)
ReadMe+ftp
2023ApJS..268...41M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/268/41/table1(c)GFCAT object catalog (1426 rows)
2.J/ApJS/268/41/table2(c)GFCAT visit catalog (1959 rows)
3.J/ApJS/268/41/table3(c)GFCAT flare catalog (1128 rows)
4.J/ApJS/268/41/table4(c)Candidate GALEX visits that may contain stellar eclipses (73 rows)
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Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (1+2)GFCAT (char) (i) GFCAT object identifier (JHHMMSS.s+DDMMSS.s) (meta.id;meta.main)
   (ALL)RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  (1)Nvis   [1/39] Number of visits in GFCAT (meta.number)
   (ALL)SName (char) Simbad identifier of nearest source (meta.id.assoc)
   (ALL)OType (char) Unique Simbad object types of all sources with 17.5" (src.class)
   (ALL)SepS arcsec (n) [0.1/35] Angular offset between nearest Simbad source and target source (pos.angDistance)
   (ALL)Nsim   [0/31] Number of Simbad sources within 17.5" of target source (meta.number)
  (1)Nobs   [1/287] Number of GALEX GR7 MIS-like observations of target source (meta.number)
  (1)GR6+7 (char) Display data from the revised GALEX UV sources GR6+7 cat. (II/335) within 30" (meta.ref.url)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+4)ObsID   [927/46832] GALEX observation eclipse number (Note 1)   (meta.id;obs)
  (2+3+4)Index  (n) [39121378/99999945629] GFCAT photometric object index (meta.id)
  (2+3+4)DistS pc (n) [2.6/526316] Simbad-provided astrophysical distance (Note 2)   (pos.distance;pos.heliocentric)
  (2+3+4)e_DistS pc (n) [0.0019/517976] Lower uncertainty in DistS (Note 2)   (stat.error;stat.min;pos.distance)
  (2+3+4)E_DistS pc (n) [-766196/774187] Upper uncertainty in DistS (Note 2)   (stat.error;stat.max;pos.distance)
  (2+3+4)plxS mas (n) [0.0019/374] Simbad-provided parallax (Note 2)   (pos.parallax.trig)
  (2+3+4)e_plxS mas (n) [0.0097/12.1] Uncertainty in plxS (Note 2)   (stat.error;pos.parallax.trig)
  (2+3+4)GTime s [741051678/1012641170] Observation start time in GALEX mission time units (time.epoch)
  (2+3+4)St s (n)Observation start date in ISO 8601 format; UTC (time.start;obs)
  (2+3+4)Start yr [2003.49/2012.11] Observation start time in decimal year (time.epoch)
  (2+3+4)SepG arcsec (n) [0.16/69] Offset between target and closest Gaia source (pos.angDistance)
  (2+3+4)Ngaia   [0/12] Number of Gaia sources with 17.5" (meta.number)
  (2+3+4)GaiaDR3  (n) Gaia DR3 source identifier (Note 2)   (meta.id.cross)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+4)DistG pc (n) [-62111/539422] Gaia DR3 distance, (inverted parallax) (Note 2)   (pos.distance;pos.heliocentric)
  (2+3+4)e_DistG pc (n) [-224911/531076] Lower uncertainty in DistG (stat.error;stat.min;pos.distance)
  (2+3+4)E_DistG pc (n) [-731539/754043] Upper uncertainty in Distg (stat.error;stat.max;pos.distance)
  (2+3+4)plxG mas (n) [-3.1/416] Gaia DR3 parallax (Note 2)   (pos.parallax.trig)
  (2+3+4)e_plxG mas (n) [0.009/2.3] Uncertainty in plxG (stat.error;pos.parallax.trig)
  (2+3+4)Ratio  (n) [-2.84/6073] Ratio of Gaia error to target parallax (stat.error;arith.ratio;pos.parallax)
  (2+3+4)pmRA mas/yr (n) [-3867/3386] Gaia DR3 proper motion along RA (pos.pm;pos.eq.ra)
  (2+3+4)pmDE mas/yr (n) [-2700/585] Gaia DR3 proper motion along DE (pos.pm;pos.eq.dec)
  (2+3+4)RAGdeg deg (n) Gaia DR3 Right Ascension (J2000) (pos.eq.ra)
  (2+3+4)DEGdeg deg (n) Gaia DR3 Declination (J2000) (pos.eq.dec)
  (2+3+4)Dist pc (n) [-62111/539422] Best available source distance (Note 3)   (pos.distance;pos.heliocentric)
  (2+3+4)e_Dist pc (n) [-731539/754043] Lower uncertainty in Dist (stat.error;stat.min;pos.distance)
  (2+3+4)E_Dist pc (n) [-224911/531076] Upper uncertainty in Dist (stat.error;stat.max;pos.distance)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+4)CRNUVmin ct/s (n) [0.005/675] Minimum NUV lightcurve count rate (phot.count;em.UV.200-300nm;stat.min)
  (2+3+4)e_CRNUVmin ct/s (n) [0.07/14] Uncertainty in CRNUVmin (stat.error;phot.count;em.UV.200-300nm)
  (2+3+4)NUVmagmin mag (n) [13/26] Minimum NUV AB magnitude (phot.mag;stat.min;em.UV.200-300nm)
  (2+3+4)e_NUVmagmin mag (n) [0.008/3] Uncertainty in NUVmagmin (stat.error;phot.mag;em.UV.200-300nm)
  (2+3+4)CRNUVmax ct/s (n) [1.3/1612] Maximum NUV lightcurve count rate (phot.count;em.UV.200-300nm;stat.max)
  (2+3+4)e_CRNUVmax ct/s (n) [0.2/8.5] Uncertainty in CRNUVmax (stat.error;phot.count;em.UV.200-300nm)
  (2+3+4)NUVmagmax mag (n) [12/19.8] Maximum NUV AB magnitude (phot.mag;stat.max;em.UV.200-300nm)
  (2+3+4)e_NUVmagmax mag (n) [0.005/0.6] Uncertainty in NUVmagmax (stat.error;phot.mag;em.UV.200-300nm)
  (2+3+4)CRNUV ct/s (n) [0.88/701] Mean NUV lightcurve count rate (phot.count;stat.mean;em.UV.200-300nm)
  (2+3+4)e_CRNUV ct/s (n) [0.02/0.8] Uncertainty in CRNUV (stat.error;phot.count;em.UV.200-300nm)
  (2+3+4)NUVmag mag (n) [12.9/20.3] Mean NUV lightcurve AB magnitude (stat.mean;phot.mag;em.UV.200-300nm)
  (2+3+4)e_NUVmag mag (n) [0.001/0.05] Uncertainty in NUVmag (stat.error;phot.mag;em.UV.200-300nm)
  (2+3+4)startNUV s (n) NUV start time; GALEX time scale (Note G1)   (time.start)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+4)stopNUV s (n) NUV stop time; GALEX time scale (Note G1)   (time.end)
  (2+3)expNUV s (n) [480/1710] Raw NUV exposure time (Note 4)   (time;obs.exposure;em.UV.200-300nm)
  (2+3+4)CRFUVmin ct/s (n) [0/46.6] Minimum FUV lightcurve count rate (phot.count;stat.min;em.UV.100-200nm)
  (2+3+4)e_CRFUVmin ct/s (n) [0/2.4] Uncertainty in CRFUVmin (stat.error;phot.count;em.UV.100-200nm)
  (2+3+4)FUVmagmin mag (n) [14.6/33.3] Minimum FUV AB magnitude (phot.mag;stat.min;em.UV.100-200nm)
  (2+3+4)e_FUVmagmin mag (n) [0.028/5.5] Uncertainty in FUVmagmin (stat.error;phot.mag;em.UV.100-200nm)
  (2+3+4)CRFUVmax ct/s (n) [0.18/501] Maximum FUV lightcurve count rate (phot.count;stat.max;em.UV.100-200nm)
  (2+3+4)e_CRFUVmax ct/s (n) [0.079/4.2] Uncertainty in CRFUVmax (stat.error;phot.count;em.UV.100-200nm)
  (2+3+4)FUVmagmax mag (n) [12/20.7] Maximum FUV AB magnitude (phot.mag;stat.max;em.UV.100-200nm)
  (2+3+4)e_FUVmagmax mag (n) [0.0088/0.8] Uncertainty in FUVmagmax (stat.error;phot.mag;em.UV.100-200nm)
  (2+3+4)CRFUV ct/s (n) [0.08/122] Mean FUV lightcurve count rate (phot.count;stat.mean;em.UV.100-200nm)
  (2+3+4)e_CRFUV ct/s (n) [0.007/0.4] Uncertainty in CRFUV (stat.error;phot.count;em.UV.100-200nm)
  (2+3+4)FUVmag mag (n) [13.6/21.5] Mean FUV lightcurve AB magnitude (phot.mag;stat.mean;em.UV.100-200nm)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+4)e_FUVmag mag (n) [0.002/0.2] Uncertainty in FUVmag (stat.error;phot.mag;em.UV.100-200nm)
  (2+3+4)startFUV s (n) FUV start time; GALEX time scale (Note G1)   (time.start)
  (2+3+4)stopFUV s (n) FUV stop time; GALEX time scale (Note G1)   (time.end)
  (2+3+4)exptFUV s (n) [150/1710] Raw FUV exposure time (Note 4)   (time;obs.exposure;em.UV.100-200nm)
  (2+3+4)ratiomin  (n) [2e-06/2.7] Minimum FUV/NUV lightcurve flux ratio (phot.flux;arith.ratio;stat.min)
  (2+3+4)e_ratiomin  (n) [0.0002/0.6] Uncertainty in ratiomin (stat.error;phot.flux;arith.ratio)
  (2+3+4)ratiomax  (n) [0.019/49] Maximum FUV/NUV lightcurve flux ratio (phot.flux;arith.ratio;stat.max)
  (2+3+4)e_ratiomax  (n) [0.0049/11] Uncertainty in ratiomax (stat.error;phot.flux;arith.ratio)
  (2+3+4)rationuvmax  (n) [0/42] FUV/NUV flux ratio at maximum NUV flux (phot.flux;arith.ratio;em.UV)
  (2+3+4)e_rationuvmax  (n) [0.004/8] Uncertainty in rationuvmax (stat.error;phot.flux;arith.ratio)
  (2+3+4)effexpNUV s (n) [436/1572] Integrated effective NUV exposure time (Note 5)   (time;obs.exposure;em.UV.200-300nm)
  (2+3+4)CRskyNUV ct/s (n) [477.7/95982] Estimated sky background count rate in NUV aperture (Note 6)   (instr.background;em.UV)
  (2+3+4)e_CRskyNUV ct/s (n) [15.6/222] Uncertainty in CRskyNUV (stat.error;instr.background;em.UV.200-300nm)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+4)effexpFUV s (n) [153.9/1696] Integrated effective FUV exposure time (Note 5)   (time;obs.exposure;em.UV.100-200nm)
  (2+3+4)CRskyFUV ct/s (n) [20.4/2050] Estimated sky background count rate in FUV aperture (Note 6)   (instr.background;em.UV)
  (2+3+4)e_CRskyFUV ct/s (n) [3.2/32.4] Uncertainty in CRskyFUV (stat.error;instr.background;em.UV.100-200nm)
  (2+3+4)Morph (char) Manually-determined light curve morphology flag (Note 7)   (src.morph)
  (2+3+4)QANUV   [0/1] Manually-determined data QA flag for NUV (0=nominal; 1=off-nominal) (meta.code;em.UV.200-300nm)
  (2+3+4)QAFUV   [0/1] Manually-determined data QA flag for FUV (0=nominal; 1=off-nominal) (meta.code;em.UV.100-200nm)
  (2)magdiff mag (n) [0.06/7.4] Range of mags in this visit aka delta-mag (phot.mag;arith.diff)
  (3+4)cts9 ct [11/155228] Total NUV counts in the 9" aperture (Note 6)   (phot.count;em.UV.200-300nm)
  (3+4)cts12.5 ct [15/164165] Total NUV counts in the 12.5" aperture (Note 6)   (phot.count;em.UV.200-300nm)
  (3+4)cts17.5 ct [26/170683] Total NUV counts in the 17.5" aperture (Note 6)   (phot.count;em.UV.200-300nm)
  (3+4)cts25 ct [42/177250] Total NUV counts in the 25" aperture (Note 6)   (phot.count;em.UV.200-300nm)
  (3+4)cts35 ct (n) [82/221332] Total NUV counts in the 35" aperture (Note 6)   (phot.count;em.UV.200-300nm)
  (3)logFluNUV [mJ/m2] (n) [-11.4/-6.9] Log10 integrated flare NUV fluence; erg/cm2 (phot.fluence;em.UV.200-300nm)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)e_logFluNUV [mJ/m2] (n) [-11.7/-9.8] Uncertainty in logFluNUV (stat.error;phot.fluence;em.UV.200-300nm)
  (3)logFluFUV [mJ/m2] (n) [-12.3/-7.2] Log10 integrated flare FUV fluence; erg/cm2 (phot.fluence;em.UV.100-200nm)
  (3)e_logFluFUV [mJ/m2] (n) [-12/-9.8] Uncertainty in logFluFUV (stat.error;phot.fluence;em.UV.100-200nm)
  (3)logEngNUV [10-7J] (n) [28.2/36.2] Log10 integrated flare NUV energy; erg (phys.energy;em.UV.200-300nm)
  (3)e_logEngNUV [10-7J] (n) [27.5/35.4] Lower uncertainty in lologEngNUV (stat.error;stat.min;phys.energy)
  (3)E_logEngNUV [10-7J] (n) [27.5/35.4] Upper uncertainty in lologEngNUV (stat.error;stat.max;phys.energy)
  (3)logEngFUV [10-7J] (n) [28/35.6] Log10 integrated flare FUV energy; erg (phys.energy;em.UV.100-200nm)
  (3)e_logEngFUV [10-7J] (n) [27.8/34.8] Lower uncertainty in lologEngFUV (stat.error;stat.min;phys.energy)
  (3)E_logEngFUV [10-7J] (n) [27.8/34.8] Upper uncertainty in lologEngFUV (stat.error;stat.max;phys.energy)
  (3)Dur s [60/1410] Flare duration (time.duration)
  (3)LeftCen   [0/1] Flare extent includes first observation time bin flag (meta.code)
  (3)RightCen   [0/1] Flare extent includes last observation time bin flag (meta.code)
  (3)CRNUVpk ct/s (n) [0.59/788] Maximum flare NUV lightcurve count rate (phot.count;stat.max;em.UV.200-300nm)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)e_CRNUVpk ct/s (n) [0.14/5.5] Uncertainty in CRpeakNUV (stat.error;phot.count;em.UV.200-300nm)
  (3)NUVmagpk mag (n) [12.8/20.7] Maximum flare NUV lightcurve AB magnitude (phot.mag;stat.max;em.UV.200-300nm)
  (3)e_NUVmagpk mag (n) [0.007/0.5] Uncertainty in NUVmagpk (stat.error;phot.mag;em.UV.200-300nm)
  (3)t0NUVpk s [743928466/1012618701] Starting bin timestamp of flare maximum NUV (time.start;em.UV.200-300nm)
  (3)CenPk   [0/1] Flag that maximum was in first/last time bin (Note 10)   (meta.code)
  (3)CRNUVqui ct/s [0.77/701] Estimated quiescence count rate of NUV lightcurve (Note 11)   (phot.count;em.UV.200-300nm)
  (3)e_CRNUVqui ct/s [0.02/0.8] Uncertainty in CRNUVqui (stat.error;phot.count;em.UV.200-300nm)
  (3)NUVmagqui mag [12.9/20.4] Estimated quiescence AB magnitude of NUV lightcurve (Note 11)   (phot.mag;em.UV.200-300nm)
  (3)e_NUVmagqui mag [0.001/0.1] Uncertainty in NUVmagqui (stat.error;phot.mag;em.UV.200-300nm)
  (3)CRFUVpk ct/s (n) [0/196] Maximum flare FUV lightcurve count rate (phot.count;stat.max;em.UV.100-200nm)
  (3)e_CRFUVpk ct/s (n) [0/2.6] Uncertainty in CRFUVpk (stat.error;phot.count;em.UV.100-200nm)
  (3)FUVmagpk mag (n) [13/25.3] Maximum flare FUV lightcurve AB magnitude (phot.mag;stat.max;em.UV.100-200nm)
  (3)t0FUVpk s (n) Starting bin timestamp of flare maximum FUV (time.start;em.UV.100-200nm)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)CRFUVqui ct/s (n) [0.04/52] Estimated quiescence count rate of FUV lightcurve (Note 11)   (phot.count;em.UV.100-200nm)
  (3)e_CRFUVqui ct/s (n) [0.005/0.3] Uncertainty in CRFUVqui (stat.error;phot.count;em.UV.100-200nm)
  (3)FUVmagqui mag (n) [11.7/19.1] Estimated quiescence AB magnitude of FUV lightcurve (Note 11)   (phot.mag;em.UV.100-200nm)
  (3)e_FUVmagqui mag (n) [0.001/0.08] Uncertainty in FUVmagqui (stat.error;phot.mag;em.UV.100-200nm)
  (4)exptNUV s [900/1710] Raw NUV exposure time (Note 4)   (time;obs.exposure;em.UV.200-300nm)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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