VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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/A+A/591/A21
  Optical flux behaviour of Fermi blazars (Marchesini+, 2016)
ReadMe+ftp
2016A&A...591A..21M
Similar Catalogs
timeSerie
Post annotation 		img(gal)
1.J/A+A/591/A21/sample(c)Sample (9 rows)
2.J/A+A/591/A21/table2Statistical results for the differential light curves (30 rows)
3.J/A+A/591/A21/photBV differential photometry for the 9 BL Lacs (481 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned))
   (ALL)Name (char) (i) Blazar name ((unassigned);(unassigned))
  (1)Type (char) Type of source ((unassigned))
  (1)RAJ2000 "h:m:s" Right ascension (J2000) ((unassigned);(unassigned))
  (1)DEJ2000 "d:m:s" Declination (J2000) ((unassigned);(unassigned))
  (1)Vmag mag Visual magnitude (as found in NED) ((unassigned);(unassigned))
  (1)z  Redshift (as found in NED) ((unassigned))
  (1)LC (char) Show BV light curves ((unassigned))
  (1)SimbadName (char) Designation understandable by the Simbad data-base ((unassigned))
  (2)Date (char) Observation UT date or "All nights" ((unassigned);(unassigned))
  (2)sigmaV mag V-band observational error (Note 1)   ((unassigned);(unassigned);(unassigned))

ALL cols		    
 (i)indexed column
  (2)sigmaR mag R-band observational error (Note 1)   ((unassigned))
  (2)VarV (char) [V NV] V-band variability flag ((unassigned);(unassigned))
  (2)VarR (char) [V NV] R-band variability flag ((unassigned);(unassigned))
  (2)FV  V-band confidence parameter from the F-test (Note 2)   ((unassigned))
  (2)FR  R-band confidence parameter from the F-test (Note 2)   ((unassigned))
  (2)GammaV  V-band gamma corrective factor (Note 3)   ((unassigned))
  (2)GammaR  R-band gamma corrective factor (Note 3)   ((unassigned))
  (2)NV  Number of points in the V light curves ((unassigned))
  (2)NR  Number of points in the R light curves ((unassigned))
  (2)FtV  V-band Ft critical value (Note 2)   ((unassigned))
  (2)FtR  R-band Ft critical value (Note 2)   ((unassigned))
  (3)Band (char) [RV] Observed band ((unassigned))
  (3)Seq  Sequential number of observations within the source and the band ((unassigned))

ALL cols		    
 (i)indexed column
  (3)HJD d Heliocentric Julian Date ((unassigned))
  (3)dHJD d Differential Heliocentric Julian Date (counting from the last integer date) ((unassigned))
  (3)dmag mag Differential magnitude (Note 1)   ((unassigned);(unassigned))
  (3)e_dmag mag rms uncertainty on dmag ((unassigned);(unassigned))
  (3)dmagC mag Differential control magnitude (Note 2)   ((unassigned);(unassigned))
  (3)e_dmagC mag (n) rms uncertainty on dmagC ((unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
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If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR523630.err (2025-12-06T18:44:37)
-3
-source=J/A+A/591/A21
-ref=VIZ693479957fd6e
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