VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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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/other/A+C/25.176
  NVSS and FIRST variable sources (Abrahamyan+, 2018)
ReadMe+ftp
2018A&C....25..176A
Similar Catalogs
Post annotation 		img(gal)
1.J/other/A+C/25.176/table2(c)Variable radio sources (6301 rows)
2.J/other/A+C/25.176/table8(c)Variable radio sources which have optical variability (2425 rows)
Help Xmatch is

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)
   (ALL)RAJ2000 deg (i) FIRST right ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) FIRST declination (J2000) (pos.eq.dec;meta.main)
  (1)Opt  (n)Display the optical variability for this source if any (link to table 8) (meta.ref.url)
  (1)FIRST (char) (i) FIRST designation (JHHMMSS.s+DDMMSS) (meta.id;phys.atmol.configuration;meta.main)
  (1)Fpeak mJy [0.8/9709] FIRST peak flux density at 1.4GHz (phot.flux.density;em.radio.750-1500MHz)
  (1)Fint mJy [0.5/122194] FIRST integrated flux density at 1.4GHz (phot.flux.density;em.radio.750-1500MHz)
  (1)Rms mJy [0.06/5.5] FIRST local noise estimate (stat.stdev;instr.det.noise)
  (1)RANdeg deg NVSS right ascension (J2000) (pos.eq.ra)
  (1)DENdeg deg NVSS declination (J2000) (pos.eq.dec)
  (1)NVSS (char) NVSS designation (HHMMSS+DDMMSS; J2000) (meta.id.cross)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)S1.4 mJy [2.3/138487] NVSS integrated flux density at 1.4GHz (phot.flux.density;em.radio.750-1500MHz)
  (1)e_S1.4 mJy [0.4/4859] S1.4 uncertainty (stat.error)
  (1)del(F) mJy [15/3099] ΔF value (Note 1)   (src.var.amplitude)
  (1)Fr   [1/67] Fr value (Note 2)   (src.var.amplitude)
  (1)AT (char) Activity Type (Note 3)   (src.class)
  (1)IAT (char) Information on catalogues from where we take the activity type (Note 4)   (meta.id;meta.dataset)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (2)B1 mag (n) [6/24.2] B1 (POSS1 BEST) magnitude (Note 1)   (phot.mag;meta.modelled)
  (2)e_B1 mag (n) [0/4.6] B1 (POSS1 BEST error) magnitude (stat.error)
  (2)R1 mag (n) [4.5/21.1] R1 (POSS1 BEST) magnitude (Note 1)   (phot.mag;meta.modelled)
  (2)e_R1 mag (n) [0/4.5] R1 (POSS1 BEST error) magnitude (stat.error)
  (2)B2 mag (n) [6.3/23.1] B2 (POSS2 BEST) magnitude (Note 1)   (phot.mag;meta.modelled)
  (2)e_B2 mag (n) [0/2.5] B2 (POSS2 BEST error) magnitude (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)R2 mag (n) [5.3/21] R2 (POSS2 BEST) magnitude (Note 1)   (phot.mag;meta.modelled)
  (2)e_R2 mag (n) [0/4] R2 (POSS2 BEST error) magnitude (stat.error)
  (2)del(B) mag (n) [-9.7/10.4] Difference variability ΔB (phot.mag;arith.diff)
  (2)Br  (n) [0/326] Relative variability Br (src.var.amplitude)
  (2)del(R) mag (n) [-16.6/11.6] Difference variability ΔR (phot.mag;arith.diff)
  (2)Rr  (n) [0/220] Relative variability Rr (src.var.amplitude)
  (2)Var  Variability category (Note 2)   (meta.code;src.var)
  (2)USNOB1 (char) Display data from the USNO-B1.0 catalog (I/284) within 3" (meta.ref.url)
  (2)USNOA2 (char) Display data from the USNO-A2.0 catalog (I/252) within 3" (meta.ref.url)
  (2)GSC (char) Display data from the GSC2.3.2 catalog (I/305) within 3" (meta.ref.url)
  (2)APM (char) Display data from the APM catalog (I/267) within 3" (meta.ref.url)

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