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Combined General Catalogue of Variable Stars (Samus+ 2004) (ReadMe)
The GCVS4.2 Catalog (Vol. I-III)
  GCVS===rho Cas
ColumnValue  Explain
_RAJ2000 23 54 23.1 "h:m:s" Right ascension (FK5) Equinox=J2000. (computed by VizieR, not part of the original data)
_DEJ2000 +57 29 58 "d:m:s" Declination (FK5) Equinox=J2000. (computed by VizieR, not part of the original data)
_RAB1950 23 51 52.4 "h:m:s" Right ascension (FK4) Equinox=B1950. (computed by VizieR, not part of the original data)
_DEB1950 +57 13 16 "d:m:s" Declination (FK4) Equinox=B1950. (computed by VizieR, not part of the original data)
_Glon 115.30 deg Galactic longitude (computed by VizieR, not part of the original data)
_Glat -04.52 deg Galactic latitude (computed by VizieR, not part of the original data)

VarNum 189017  Numeric designation, made from constellation and star names (codes in file "constel.txt")
m_VarNum    Component identification (Note 1)
GCVS rho Cas  Variable star designation (Note G1)
n_GCVS *   [*] indicates a remark in "gcvs_rem.dat" file , x indicates the existence of cross-identifications
u_DE1950s     [:*] position accuracy flags (Note G2)
RA2000 23 54 23.0 "h:m:s" Hours RA, equinox 2000.0 (Note 2)
DE2000 +57 29 58 "d:m:s" Degrees Dec, equinox 2000.0 (Note 2)
u_DEs     [:*] position accuracy flags (Note G2)
n_Pos     [*] Position computed from B1950 (Note 3)
VarType SRD  Type of variability (see file "vartype.txt")
l_magMax     [<>(] Limit or amplitude symbol on magMax (Note G3)
magMax 4.100 mag Magnitude at maximum brightness
u_magMax    Uncertainty flag (:) on magMax
l_magMin     [<(] Limit or amplitude symbol on magMin (Note G3)
magMin 6.200 mag Minimum magnitude or amplitude
u_magMin    Uncertainty flag (:) on magMin
n_magMin    Alternative photometric system for magMin (Note G4)
magCode V  The photometric system for magnitudes (Note G4)
Epoch   d Epoch for maximum light, Julian days (Note G5)
u_Epoch     [:+-] Uncertainty flag on Epoch (Note 4)
Year    Year of outburst for nova or supernova
u_Year     [:] Uncertainty flag on Year of outburst
l_Period     [<>(] Code for upper or lower limits (Note 5)
Period 320.0000000000 d Period of the variable star
u_Period     [*/N)2: ] Uncertainties on Period (Note 6)
M-m/D   % Rising time or duration of eclipse (Note G6)
u_M-m/D    Uncertainty flag (:) on M-m/D
n_M-m/D     [*] Note for eclipsing variable (Note G6)
SpTypeF8pIa-K0pIa-0  MK Spectral type
Ref1 08877  Reference to a study of the star (Note G7)
Ref2 BD  Reference to a chart or photograph (Note G7)
f_GCVS     [=N+] "N" if the star does not exist (Note 7)
VarName    Alternative name of the variable (Note G8)

AFOEV AFOEV  Check the existence of a light curve at AFOEV
Simbad Simbad  ask the Simbad data-base about this object
  

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