VizieR

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VizieR

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B/gcvs/gcvs_cat General Catalogue of Variable Stars (Samus+, 2007-2017)
GCVS catalog (GCVS 5.1, version Oct, 2020) (58200 rows)
  recno=52348
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ColumnValue  Explain   (UCD)
_RAJ200016 18 57.7500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-01 52 21.100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 16 22.0788 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 45 08.523 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon011.3896118 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+32.2891281 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
52348recno 52348  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

VarNum760154  Numeric designation, made from constellation and star names (codes in file "constel.txt") (meta.id)
m_VarNum   Component identification (Note 1)   (meta.code.multip)
GCVSEK Ser  (i) Variable star designation. (Note G1)   (meta.id;meta.main)
n_GCVS    [*] indicates a remark in "gcvs_rem.dat" file , x indicates the existence of cross-identifications (meta.note)
RAJ200016 18 57.75 "h:m:s" (i) Hours RA, equinox J2000.0 (Note G1)   (pos.eq.ra;meta.main)
DEJ2000-01 52 21.1 "d:m:s" (i) Degrees Dec, equinox J2000.0 (Note G1)   (pos.eq.dec;meta.main)
u_DEJ2000    [:] position accuracy flag (Note G2)   (meta.code.error;pos.eq.dec)
VarTypeRRC  Type of variability (see file "vartype.txt") (meta.code;src.var)
l_magMax    [<>(] Limit or amplitude symbol on magMax (Note G3)   (meta.code.error)
magMax16.200 mag Magnitude at maximum brightness (phot.mag)
u_magMax   Uncertainty flag (:) on magMax (meta.code.error)
l_Min1    [< (] Limit or amplitude symbol on Min1 (Note G3)   (meta.code.error)
Min116.800 mag Minimum I magnitude or amplitude (phot.mag)
u_Min1   Uncertainty flag (:) on magMinI (meta.code.error)
n_Min1   Alternative photometric system for Min1 (Note G4)   (meta.note)
l_Min2    [< (] Limit or amplitude symbol on Min2 (Note G3)   (meta.code.error)
Min2  mag Minimum II magnitude or amplitude (phot.mag)
u_Min2   Uncertainty flag (:) on magMinII (meta.code.error)
n_Min2   Alternative photometric system for Min2 (Note G4)   (meta.note)
fltp  The photometric system for magnitudes (Note G4)   (meta.code;instr.filter)
Epoch42954.66680 d (i) Epoch for maximum light, Julian days (Note G5)   (time.epoch)
u_Epoch    [:±] Uncertainty flag on Epoch (Note 6)   (meta.code.error;time.epoch)
Year   Year of outburst for nova or supernova (time.epoch)
u_Year    [:] Quality flag on Year of outburst (meta.code.error)
l_Period    [<>(] Code for upper or lower limits (Note 7)   (meta.code.error;time.period)
Period 0.3151979000 d Period of the variable star (time.period)
u_Period    [:] Uncertainty flag (:) on Period (meta.code.error;time.period)
n_Period    [*/N) 2] Flag on Period (Note 8)   (meta.note)
M-m/D30 % Rising time (M-m) or duration of eclipse (D) (Note G6)   (time.interval)
u_M-m/D   Uncertainty flag (:) on M-m/D (meta.code.error)
n_M-m/D    [*: ] Note for eclipsing variable (Note G6)   (meta.note)
SpType   Spectral type (src.spType)
Ref109865  Reference to a study of the star (Note G7)   (meta.bib)
Ref203625  Reference to a chart or photograph (Note G7)   (meta.bib)
Exists   Cases of non-existence of the variable etc. (Note 12)   (meta.note)
pmRA-0.004 arcsec/yr Proper motion RA (pos.pm;pos.eq.ra)
pmDE 0.004 arcsec/yr Proper motion DE (pos.pm;pos.eq.dec)
Ep-coor2000.000 yr Epoch of the coordinates (Note 13)   (time.epoch)
u_Ident    [?] Uncertainty flag (?) on identification (Note 14)   (meta.code.error)
IdentNPM  The source of astrometric data (Note 15)   (meta.code)
VarTypeII   The new type of variability (Note 16)   (meta.note;src.var)
VarNameEK Ser  Variable star designation (Note 17)   (meta.id)

AFOEV   Check the existence of a light curve at AFOEV (meta.ref.url)
SimbadV* EK Ser  ask the Simbad data-base about this object (meta.ref.url)
  
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