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VizieR

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/209/9
  Unidentified gamma-ray sources. IV. X-ray (Paggi+, 2013)
Post annotation
img(gal)
1.J/ApJS/209/9/swiftCatalog of XRT-PC detected in the positional uncertainty region of the 2FGL source with their UVOT counterparts (tables 1 and 2) (357 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  2FGL (char) 2nd Fermi LAT catalog ID (JHHMM.m+DDMM) (meta.id;meta.main)
  Swift (char) (i) Swift/XRT source ID (JHHMMSS.s+DDMMSS) (meta.id.cross)
  M (char) B if the source is a possible counterpart to a γ-ray blazar-like system, and U if the source has an USNO counterpart (meta.ref.url)
  OName (char) Other source name (Note 1)   (meta.id)
  RAJ2000 "h:m:s" (i) XRT Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) XRT Degree of Declination (J2000) (pos.eq.dec;meta.main)
  ePos arcsec [3.5/9.1] Position error (stat.error;pos)
  Exp s XRT-PC exposure time (time.duration;obs.exposure)
  D-CR ct/ks Count rate by DETECT (phot.count;em.X-ray)
  e_D-CR ct/ks Uncertainty in D-CR (stat.error)

ALL cols
    
 (i)indexed column
  Sig   [2/5] Signal-to-noise threshold above which source is detected (stat.likelihood;obs)
  S-CR ct/ks Count rate by OSTA (phot.count;em.X-ray)
  e_S-CR ct/ks Uncertainty in S-CR (stat.error)
  SNR   [0.22/91.12] Signal-to-Noise (stat.snr)
  Xcat (char) List of catalogs cross-matched (Note 2)   (meta.id;meta.dataset)
  Blaz (char) γ-ray blazar-like source (Note 3)   (meta.code)
  z  (n) [0.0061/1.725] Redshift from literature (src.redshift)
  RAuh h UVOT Hour of Right Ascension (J2000) (pos.eq.ra)
  RAum min UVOT Minute of Right Ascension (J2000) (pos.eq.ra)
  RAus s UVOT Second of Right Ascension (J2000) (pos.eq.ra)
  DEu- (char) UVOT Sign of the Declination (J2000) (pos.eq.dec)
  DEud deg UVOT Degree of Declination (J2000) (pos.eq.dec)
  DEum arcmin UVOT Arcminute of Declination (J2000) (pos.eq.dec)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  DEus arcsec UVOT Arcsecond of Declination (J2000) (pos.eq.dec)
  Sep arcsec [0/6.5] Angular separation between X-ray and UV sources (pos.angDistance)
  E(B-V) mag [0.01/16] Galactic extinction (Note 4)   (phot.color.excess)
  ExpV s (n) UVOT V band exposure time (time.duration;obs.exposure;em.opt.V)
  Vmag mag (n) [11.46/21.22] Swift/UVOT V band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.opt.V)
  f_Vmag (char) [*] * = filter saturation (meta.code)
  e_Vmag mag (n) Uncertainty in Vmag (Note 6)   (stat.error;phot.mag;em.opt.V)
  Vmag2 mag (n) [11.87/18.58] Swift/UVOT V band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.opt.V)
  e_Vmag2 mag (n) Uncertainty in Vmag2 (Note 6)   (stat.error;phot.mag;em.opt.V)
  ExpB s (n) UVOT B band exposure time (time.duration;obs.exposure;em.opt.B)
  Bmag mag (n) [13.12/22.03] Swift/UVOT B band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.opt.B)
  e_Bmag mag (n) Uncertainty in Bmag (Note 6)   (stat.error;phot.mag;em.opt.B)
  Bmag2 mag (n) [13.31/19.24] Swift/UVOT B band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.opt.B)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  e_Bmag2 mag (n) Uncertainty in Bmag2 (Note 6)   (stat.error;phot.mag;em.opt.B)
  ExpU s (n) UVOT U band exposure time (time.duration;obs.exposure;em.opt.U)
  Umag mag (n) [11.91/21.91] Swift/UVOT U band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.opt.U)
  f_Umag (char) [*] * = filter saturation (meta.code)
  e_Umag mag (n) Uncertainty in Umag (Note 6)   (stat.error;phot.mag;em.opt.U)
  Umag2 mag (n) [11.83/21.46] Swift/UVOT U band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.opt.U)
  f_Umag2 (char) [*] * = filter saturation (meta.code)
  e_Umag2 mag (n) Uncertainty in Umag2 (Note 6)   (stat.error;phot.mag;em.opt.U)
  ExpW1 s (n) Swift/UVOT W1 band exposure time (time.duration;obs.exposure)
  W1mag mag (n) [11.01/22.23] Swift/UVOT UVW1 band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.UV)
  f_W1mag (char) [*] * = filter saturation (meta.code)
  e_W1mag mag (n) Uncertainty in W1mag (Note 6)   (stat.error;phot.mag)
  W1mag2 mag (n) [10.95/21.74] Swift/UVOT UVW1 band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.UV)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  f_W1mag2 (char) [*] * = filter saturation (meta.code)
  e_W1mag2 mag (n) Uncertainty in W1mag2 (Note 6)   (stat.error;phot.mag)
  ExpM2 s (n) Swift/UVOT UVM2 band exposure time (time.duration;obs.exposure)
  M2mag mag (n) [10.42/22.56] Swift/UVOT UVM2 band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.UV)
  f_M2mag (char) [*] * = filter saturation (meta.code)
  e_M2mag mag (n) Uncertainty in M2mag (Note 6)   (stat.error;phot.mag;em.IR.4-8um)
  M2mag2 mag (n) [10.36/21.95] Swift/UVOT UVM2 band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.UV)
  f_M2mag2 (char) [*] * = filter saturation (meta.code)
  e_M2mag2 mag (n) Uncertainty in M2mag2 (Note 6)   (stat.error;phot.mag;em.IR.4-8um)
  ExpW2 s (n) UVOT W2 band exposure time (time.duration;obs.exposure)
  W2mag mag (n) [12.23/22.8] Swift/UVOT UVW2 band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.UV)
  e_W2mag mag (n) Uncertainty in W2mag (Note 6)   (stat.error;phot.mag)
  W2mag2 mag (n) [12.25/22.47] Swift/UVOT UVW2 band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.UV)
  e_W2mag2 mag (n) Uncertainty in W2mag2 (Note 6)   (stat.error;phot.mag)

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