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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/237/30
  6-yr light curves of 10 blazars (Meng+, 2018)
timeSerie
Post annotation
img(gal)
1.J/ApJS/237/30/blazars(c)Observation details of the 10 objects (table 2) and Galactic extinction in each band (table 4)[timeSerie] (36 rows)
2.J/ApJS/237/30/lcLight curves for all 36 observations of the blazars (compilation from the separated files in apjsaacffet3_mrt.tar.gz, by CDS) (14916 rows)

 
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)Name (char) Blazar name (meta.id;meta.main)
  (1)n_Name  (n) [1/2] Phase number (meta.note)
  (1)RAJ2000 "h:m:s" (i) Hour of right ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Degree of declination (J2000) (pos.eq.dec;meta.main)
  (1)z   [0.03/0.9] Redshift (src.redshift)
  (1)Type (char) Blazar type (flat-spectrum radio quasar or BL Lac object with high-, intermediate-, or low-frequency-peak) (src.class)
   (ALL)Band (char) Observation band (see the "Description" section above for the central wavelengths) (instr.bandpass;obs)
  (1)Stdate "Y:M:D" (n)Start UT date (time.start)
  (1)Enddate "Y:M:D" (n)End UT date (time.end)
  (1)Nd   [5/248] Number of observing days (meta.number)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Ndata   [23/1790] Number of measurements (meta.number)
  (1)Np  (n)Number of photometry measurements for this blazar (link to lc) (meta.number)
  (1)Ac mag (n) [0.08/1.3] c-band extinction (phys.absorption)
  (1)Ae mag (n) [0.06/1.1] e-band extinction (phys.absorption)
  (1)Ai mag (n) [0.04/0.7] i-band extinction (phys.absorption)
  (1)Am mag (n) [0.03/0.5] m-band extinction (phys.absorption)
  (1)Ao mag (n) [0.02/0.4] o-band extinction (phys.absorption)
   (ALL)AName (char) (i) Abbreviated name as used in lc.dat; column added by CDS (meta.id)
  (1)LC (char) Interactive Plot (meta.ref.url)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1)NED (char) ask the NED data-base about this object (meta.ref.url)
  (2)Obs s (n)UT observation date (time.epoch;obs)
  (2)JD d Julian Observation date (time.epoch)
  (2)Exp s [20/900] Exposure time (time.duration;obs.exposure)
  (2)mag mag [0.3/17.8] Observation magnitude in Band (phot.mag)
  (2)e_mag mag [0/0.5] Uncertainty in mag (stat.error;phot.mag)
  (2)dfmag mag [-0.3/0.7] Differential magnitude of the check star (phot.mag;arith.diff)

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