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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/209/9
  Unidentified gamma-ray sources. IV. X-ray (Paggi+, 2013)
Post annotation
img(gal)
1.J/ApJS/209/9/swift(c)Catalog of XRT-PC detected in the positional uncertainty region of the 2FGL source with their UVOT counterparts (tables 1 and 2) (357 rows)
2.J/ApJS/209/9/table3(c)XRT-PC sources featuring a USNO-B counterpart within the positional error (194 rows)
3.J/ApJS/209/9/table4UGSs without XRT-PC counterparts in the Fermi LAT positional uncertainty region (62 rows)
4.J/ApJS/209/9/table5XRT-PC counterparts to γ-ray blazar-like sources selected according to Papers I and V. (29 rows)
5.J/ApJS/209/9/table6XRT-PC counterparts to γ-ray blazar-like sources selected with the KDE technique (37 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1+3+4+5)2FGL (char) 2nd Fermi LAT catalog ID (JHHMM.m+DDMM) (meta.id;meta.main)
  (1)Blaz (char) γ-ray blazar-like source (Note 3)   (meta.code)
  (1)Bmag mag (n) [13.12/22.03] Swift/UVOT B band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.opt.B)
  (1)Bmag2 mag (n) [13.31/19.24] Swift/UVOT B band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.opt.B)
  (1)D-CR ct/ks Count rate by DETECT (phot.count;em.X-ray)
  (1)DEJ2000 "d:m:s" (i) XRT Degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1)DEu- (char) UVOT Sign of the Declination (J2000) (pos.eq.dec)
  (1)DEud deg UVOT Degree of Declination (J2000) (pos.eq.dec)
  (1)DEum arcmin UVOT Arcminute of Declination (J2000) (pos.eq.dec)
  (1)DEus arcsec UVOT Arcsecond of Declination (J2000) (pos.eq.dec)
  (1)e_Bmag mag (n) Uncertainty in Bmag (Note 6)   (stat.error;phot.mag;em.opt.B)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_Bmag2 mag (n) Uncertainty in Bmag2 (Note 6)   (stat.error;phot.mag;em.opt.B)
  (1)E(B-V) mag [0.01/16] Galactic extinction (Note 4)   (phot.color.excess)
  (1)e_D-CR ct/ks Uncertainty in D-CR (stat.error)
  (1)e_M2mag mag (n) Uncertainty in M2mag (Note 6)   (stat.error;phot.mag;em.IR.4-8um)
  (1)e_M2mag2 mag (n) Uncertainty in M2mag2 (Note 6)   (stat.error;phot.mag;em.IR.4-8um)
  (1)ePos arcsec [3.5/9.1] Position error (stat.error;pos)
  (1)e_S-CR ct/ks Uncertainty in S-CR (stat.error)
  (1)e_Umag mag (n) Uncertainty in Umag (Note 6)   (stat.error;phot.mag;em.opt.U)
  (1)e_Umag2 mag (n) Uncertainty in Umag2 (Note 6)   (stat.error;phot.mag;em.opt.U)
  (1)e_Vmag mag (n) Uncertainty in Vmag (Note 6)   (stat.error;phot.mag;em.opt.V)
  (1)e_Vmag2 mag (n) Uncertainty in Vmag2 (Note 6)   (stat.error;phot.mag;em.opt.V)
  (1)e_W1mag mag (n) Uncertainty in W1mag (Note 6)   (stat.error;phot.mag)
  (1)e_W1mag2 mag (n) Uncertainty in W1mag2 (Note 6)   (stat.error;phot.mag)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_W2mag mag (n) Uncertainty in W2mag (Note 6)   (stat.error;phot.mag)
  (1)e_W2mag2 mag (n) Uncertainty in W2mag2 (Note 6)   (stat.error;phot.mag)
  (1+3)Exp s XRT-PC exposure time (time.duration;obs.exposure)
  (1)ExpB s (n) UVOT B band exposure time (time.duration;obs.exposure;em.opt.B)
  (1)ExpM2 s (n) Swift/UVOT UVM2 band exposure time (time.duration;obs.exposure)
  (1)ExpU s (n) UVOT U band exposure time (time.duration;obs.exposure;em.opt.U)
  (1)ExpV s (n) UVOT V band exposure time (time.duration;obs.exposure;em.opt.V)
  (1)ExpW1 s (n) Swift/UVOT W1 band exposure time (time.duration;obs.exposure)
  (1)ExpW2 s (n) UVOT W2 band exposure time (time.duration;obs.exposure)
  (1)f_M2mag (char) [*] * = filter saturation (meta.code)
  (1)f_M2mag2 (char) [*] * = filter saturation (meta.code)
  (1)f_Umag (char) [*] * = filter saturation (meta.code)
  (1)f_Umag2 (char) [*] * = filter saturation (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)f_Vmag (char) [*] * = filter saturation (meta.code)
  (1)f_W1mag (char) [*] * = filter saturation (meta.code)
  (1)f_W1mag2 (char) [*] * = filter saturation (meta.code)
  (1)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)
  (1)M2mag mag (n) [10.42/22.56] Swift/UVOT UVM2 band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.UV)
  (1)M2mag2 mag (n) [10.36/21.95] Swift/UVOT UVM2 band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.UV)
  (1)OName (char) Other source name (Note 1)   (meta.id)
  (1)RAJ2000 "h:m:s" (i) XRT Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1)RAuh h UVOT Hour of Right Ascension (J2000) (pos.eq.ra)
  (1)RAum min UVOT Minute of Right Ascension (J2000) (pos.eq.ra)
  (1)RAus s UVOT Second of Right Ascension (J2000) (pos.eq.ra)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)S-CR ct/ks Count rate by OSTA (phot.count;em.X-ray)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Sep arcsec [0/6.5] Angular separation between X-ray and UV sources (pos.angDistance)
  (1)Sig   [2/5] Signal-to-noise threshold above which source is detected (stat.likelihood;obs)
  (1)SNR   [0.22/91.12] Signal-to-Noise (stat.snr)
   (1+2+4+5)Swift (char) (i) Swift/XRT source ID (JHHMMSS.s+DDMMSS) (meta.id.cross)
  (1)Umag mag (n) [11.91/21.91] Swift/UVOT U band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.opt.U)
  (1)Umag2 mag (n) [11.83/21.46] Swift/UVOT U band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.opt.U)
  (1)Vmag mag (n) [11.46/21.22] Swift/UVOT V band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.opt.V)
  (1)Vmag2 mag (n) [11.87/18.58] Swift/UVOT V band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.opt.V)
  (1)W1mag mag (n) [11.01/22.23] Swift/UVOT UVW1 band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.UV)
  (1)W1mag2 mag (n) [10.95/21.74] Swift/UVOT UVW1 band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.UV)
  (1)W2mag mag (n) [12.23/22.8] Swift/UVOT UVW2 band Vega magnitude from UVOTSOURCE (Note 5)   (phot.mag;em.UV)
  (1)W2mag2 mag (n) [12.25/22.47] Swift/UVOT UVW2 band Vega magnitude from UVOTDETECT (Note 5)   (phot.mag;em.UV)
  (1)Xcat (char) List of catalogs cross-matched (Note 2)   (meta.id;meta.dataset)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)z  (n) [0.0061/1.725] Redshift from literature (src.redshift)
  (2)B1mag mag (n) [7.1/21.5] USNO-B first epoch blue magnitude (phot.mag;em.opt.B)
  (2)B2mag mag (n) [7/22.7] USNO-B 2nd epoch blue magnitude (phot.mag;em.opt.B)
  (2)_DE deg (i) Positions from Swift names (declination part) (pos.eq.dec;meta.main)
  (2)Imag mag (n) [6/20] USNO-B NIR magnitude (phot.mag;em.opt.I)
  (2)R1mag mag (n) [6.6/20.4] USNO-B first epoch red magnitude (phot.mag;em.opt.R)
  (2)R2mag mag (n) [6.6/21.5] USNO-B 2nd epoch red magnitude (phot.mag;em.opt.R)
  (2)_RA deg (i) Positions from Swift names (right ascension part) (pos.eq.ra;meta.main)
  (2)USNO (char) Cross-match with the USNO-B1 catalog (Cat. I/284) within 7" (meta.ref.url)
  (3)f_2FGL (char) [*] *: Flag on 2FGL (Note 1)   (meta.code)
  (4+5)AName (char) WISE designation (JHHMMSS.ss+DDMMSS.s) or WN0557.5+3838 (in table 5) (Note 1)   (meta.id)
  (4+5)Cl (char) [A-C ] Classification (A=most probable candidate blazar; only for table 5) (Note 2)   (meta.code.qual)
  (4+5)f_Swift (char) [*] *: source with radio counterpart within the positional error listed in table 1 (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (4+5)OType (char) Object type (only for table 5) (Note 3)   (src.class)

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