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II/139B
 General Catalog of Variable Stars, 4th Ed. (GCVS4) (Kholopov+ 1988)
ReadMe+ftp
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This catalogue is obsoleted by II/214
Post annotation 		img(gal)
1.II/139B/catalogThe GCVS4 Catalog (28488 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number within the original table (starting from 1) (meta.record)
  Constell  Constellation numeric code (meta.id.part;meta.main)
  Number  Star number within the constellation (meta.id.part;meta.main)
  Component (char) Component identification (meta.note)
  GCVS (char) Variable star designation (Note 13)   (meta.id)
  NoteFlag (char) [*] Notes in published catalog (meta.note)
  RA1950 "h:m:s" Hours RA, equinox 1950.0 (Note 1)   (pos.eq.ra;meta.main)
  DE1950 "d:m:s" (n)Sign Dec, equinox 1950.0 (pos.eq.dec;meta.main)
  GLON deg Galactic longitude (Note 1)   (pos.galactic.lon)
  GLAT deg Galactic latitude (Note 1)   (pos.galactic.lat)
  Ref1 (char) Reference for study of the star (Note 2)   (meta.ref)

ALL cols		    
(n) indicates a possible blank or NULL column  
  Ref2 (char) Reference for chart or photograph (Note 3)   (meta.ref)
  VarType (char) Type of variability (see file adc.doc, App.B) (meta.code;src.var)
  l_magMax (char) [)] ")" if magMax is a faint limit (meta.code.error)
  magMax mag Magnitude at maximum brightness (Note 5)   (phot.mag)
  u_magMax (char) Uncertainty flag (:) on magMax (meta.code.error)
  l_magMin (char) [(] "(" if magMin is a bright limit (meta.code.error)
  magMin mag Minimum magnitude or amplitude (phot.mag)
  n_magMin (char) [RU] Alternate system for magMin (Note 4)   (meta.note)
  u_magMin (char) Uncertainty flag (:) on magMin (meta.code.error)
  f_magMin (char) [)] ")" if magMin is an amplitude (meta.code.error)
  magCode (char) The photometric system for magnitudes (Note 5)   (meta.note)
  Epoch d Epoch for maximum light, Julian days (Note 6)   (time.epoch)
  q_Epoch (char) [:±] Quality flag on Epoch (Note 7)   (meta.code.qual)

ALL cols		    
(n) indicates a possible blank or NULL column  
  YearNova (char) Year of outburst for nova, in parentheses (Note 6)   (time.epoch)
  u_YearNova (char) Uncertainty flag (:) on YearNova (meta.code.error)
  l_Period (char) [<>()] Code for upper or lower limits (Note 8)   (meta.code.error)
  Period d Period of the variable star (time.period)
  u_Period (char) Uncertainty flag (:) on Period (meta.code.error)
  n_Period (char) [N+] "N" for "unknown at present" "+" for the 3 stars mentioned in (Note 9)   (meta.note)
  M-m/D (char) % Rising time (M-m) or duration of eclipse (D), see (Note 10)   (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 11)   (meta.note)
  SpType (char) Spectral type, or equivalent name according to Exists (src.spType)
  Exists (char) [=N] Existence of the variable (Note 12)   (meta.note)

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