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  B/gcvs
 General Catalogue of Variable Stars (Samus+, 2007-2017)
Post annotation
img(gal)
1.B/gcvs/gcvs_catGCVS catalog (GCVS 5.1, version March, 2017) (52011 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)
  VarNum  Numeric designation, made from constellation and star names (codes in file "constel.txt") (meta.id)
  m_VarNum (char) Component identification (Note 1)   (meta.code.multip)
  GCVS (char) Variable star designation. The designation in the constellation is separated from the constellation name by up to 5 blanks; an * is therefore recommended to qualify this column, e.g. SS *Cyg (Note G1)   (meta.id;meta.main)
  n_GCVS (char) [*] indicates a remark in "gcvs_rem.dat" file , x indicates the existence of cross-identifications (meta.note)
  RAJ2000 "h:m:s" (n) Hours RA, equinox J2000.0 (Note G1)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (n) Degrees Dec, equinox J2000.0 (Note G1)   (pos.eq.dec;meta.main)
  u_DEJ2000 (char) [:] position accuracy flag (Note G2)   (meta.code.error;pos.eq.dec)
  VarType (char) Type of variability (see file "vartype.txt") (meta.code;src.var)
  l_magMax (char) [<>(] Limit or amplitude symbol on magMax (Note G3)   (meta.code.error)
  magMax mag (n) Magnitude at maximum brightness (phot.mag)

ALL cols
    
(n) indicates a possible blank or NULL column  
  u_magMax (char) Uncertainty flag (:) on magMax (meta.code.error)
  l_Min1 (char) [< (] Limit or amplitude symbol on Min1 (Note G3)   (meta.code.error)
  Min1 mag (n) Minimum I magnitude or amplitude (phot.mag)
  u_Min1 (char) Uncertainty flag (:) on magMinI (meta.code.error)
  n_Min1 (char) Alternative photometric system for Min1 (Note G4)   (meta.note)
  l_Min2 (char) [< (] Limit or amplitude symbol on Min2 (Note G3)   (meta.code.error)
  Min2 mag (n) Minimum II magnitude or amplitude (phot.mag)
  u_Min2 (char) Uncertainty flag (:) on magMinII (meta.code.error)
  n_Min2 (char) Alternative photometric system for Min2 (Note G4)   (meta.note)
  flt (char) The photometric system for magnitudes (Note G4)   (meta.code;instr.filter)
  Epoch d (n) Epoch for maximum light, Julian days (Note G5)   (time.epoch)
  u_Epoch (char) [:±] Uncertainty flag on Epoch (Note 6)   (meta.code.error;time.epoch)
  Year (char) Year of outburst for nova or supernova (time.epoch)

ALL cols
    
(n) indicates a possible blank or NULL column  
  u_Year (char) [:] Quality flag on Year of outburst (meta.code.error)
  l_Period (char) [<>(] Code for upper or lower limits (Note 7)   (meta.code.error;time.period)
  Period d (n) Period of the variable star (time.period)
  u_Period (char) [:] Uncertainty flag (:) on Period (meta.code.error;time.period)
  n_Period (char) [*/N) 2] Flag on Period (Note 8)   (meta.note)
  M-m/D (char) % Rising time (M-m) or duration of eclipse (D) (Note G6)   (time.interval)
  u_M-m/D (char) Uncertainty flag (:) on M-m/D (meta.code.error)
  n_M-m/D (char) [*: ] Note for eclipsing variable (Note G6)   (meta.note)
  SpType (char) Spectral type (src.spType)
  Ref1 (char) Reference to a study of the star (Note G7)   (meta.bib)
  Ref2 (char) Reference to a chart or photograph (Note G7)   (meta.bib)
  Exists (char) Cases of non-existence of the variable etc. (Note 12)   (meta.note)
  pmRA arcsec/yr(n) Proper motion RA (pos.pm;pos.eq.ra)
  pmDE arcsec/yr(n) Proper motion DE (pos.pm;pos.eq.dec)
  Ep-coor yr (n) Epoch of the coordinates (Note 13)   (time.epoch)
  u_Ident (char) [?] Uncertainty flag (?) on identification (Note 14)   (meta.code.error)
  Ident (char) The source of astrometric data (Note 15)   (meta.code)
  VarTypeII (char) The new type of variability (Note 16)   (meta.note;src.var)
  VarName (char) Variable star designation (Note 17)   (meta.id)
  AFOEV  Check the existence of a light curve at AFOEV (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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