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Combined General Catalogue of Variable Stars (Samus+ 2004)
ReadMe
The GCVS4.2 Catalog (Vol. I-III)
(38624 rows)
recno=18324
Column
Value
Explain
(
UCD
)
Aladin Image
Start
AladinJava
for a view of the optical sky centered on this source
_RAJ2000
19 07 16.3
"h:m:s"
Right ascension (FK5) Equinox=J2000. (computed by VizieR, not part of the original data) (
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DEJ2000
+44 01 09
"d:m:s"
Declination (FK5) Equinox=J2000. (computed by VizieR, not part of the original data) (
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
_RAB1950
19 05 44.3
"h:m:s"
Right ascension (FK4) Equinox=B1950. (computed by VizieR, not part of the original data) (
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DEB1950
+43 56 22
"d:m:s"
Declination (FK4) Equinox=B1950. (computed by VizieR, not part of the original data) (
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
_Glon
074.7171
deg
Galactic longitude (computed by VizieR, not part of the original data) (
pos.galactic.lon
)
(
POS_GAL_LON
)
_Glat
+15.8239
deg
Galactic latitude (computed by VizieR, not part of the original data) (
pos.galactic.lat
)
(
POS_GAL_LAT
)
recno
18324
Record number within the original table (starting from 1) (
meta.record
)
(
RECORD
)
VarNum
520284
Numeric designation, made from constellation and star names (codes in file "
constel.txt
") (
meta.id
)
(
ID_NUMBER
)
m_VarNum
Component identification
(Note 1)
(
meta.code.multip
)
(
CODE_MULT_INDEX
)
GCVS
MV Lyr
Variable star designation
(Note G1)
(
meta.id
)
(
ID_VARIAB
)
n_GCVS
*
[*] indicates a remark in "
gcvs_rem.dat
" file ,
x
indicates the existence of cross-identifications (
meta.note
)
(
NOTE
)
u_DE1950
[:*] position accuracy flags
(Note G2)
(
meta.code.error;pos.eq.dec
)
(
CODE_ERROR
)
RAJ2000
19 07 16.3
"h:m:s"
Hours RA, equinox J2000.0
(Note 2)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_OTHER
)
DEJ2000
+44 01 09
"d:m:s"
Degrees Dec, equinox J2000.0
(Note 2)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_OTHER
)
u_DEJ2000
[:*] position accuracy flags
(Note G2)
(
meta.code.error;pos.eq.dec
)
(
CODE_ERROR
)
n_Pos
[*] Position computed from B1950
(Note 3)
(
meta.note
)
(
NOTE
)
VarType
NL
Type of variability (see file "
vartype.txt
") (
meta.code;src.var
)
(
VAR_CLASS
)
l_magMax
[<>(] Limit or amplitude symbol on magMax
(Note G3)
(
meta.code.error
)
(
CODE_LIMIT
)
magMax
12.200
mag
Magnitude at maximum brightness (
phot.mag
)
(
PHOT_MAG_UNDEF
)
u_magMax
Uncertainty flag (:) on magMax (
meta.code.error
)
(
CODE_ERROR
)
l_magMin
[<(] Limit or amplitude symbol on magMin
(Note G3)
(
meta.code.error
)
(
CODE_LIMIT
)
magMin
18.000
mag
Minimum magnitude or amplitude (
phot.mag
)
(
PHOT_MAG_UNDEF
)
u_magMin
Uncertainty flag (:) on magMin (
meta.code.error
)
(
CODE_ERROR
)
n_magMin
Alternative photometric system for magMin
(Note G4)
(
meta.note
)
(
NOTE
)
magCode
B
The photometric system for magnitudes
(Note G4)
(
meta.code;instr.filter
)
(
INST_FILTER_CODE
)
Epoch
d
Epoch for maximum light, Julian days
(Note G5)
(
time.epoch
)
(
TIME_EPOCH
)
u_Epoch
[:+-] Uncertainty flag on Epoch
(Note 4)
(
meta.code.error;time.epoch
)
(
CODE_ERROR
)
Year
Year of outburst for nova or supernova (
time.epoch
)
(
TIME_DATE
)
u_Year
[:] Uncertainty flag on Year of outburst (
meta.code.error
)
(
CODE_ERROR
)
l_Period
[<>(] Code for upper or lower limits
(Note 5)
(
meta.code.error;time.period
)
(
CODE_LIMIT
)
Period
d
Period of the variable star (
time.period
)
(
TIME_PERIOD
)
u_Period
[*/N)2: ] Uncertainties on Period
(Note 6)
(
meta.code.error;time.period
)
(
CODE_ERROR
)
M-m/D
%
Rising time or duration of eclipse
(Note G6)
(
time.interval
)
(
TIME_INTERVAL
)
u_M-m/D
Uncertainty flag (:) on M-m/D (
meta.code.error
)
(
CODE_ERROR
)
n_M-m/D
[*] Note for eclipsing variable
(Note G6)
(
meta.note
)
(
NOTE
)
SpType
Op+M5V
MK Spectral type (
src.spType
)
(
SPECT_TYPE_GENERAL
)
Ref1
09372
Reference to a study of the star
(Note G7)
(
meta.bib
)
(
REFER_CODE
)
Ref2
00365
Reference to a chart or photograph
(Note G7)
(
meta.bib
)
(
REFER_CODE
)
f_GCVS
[=N+] "N" if the star does not exist
(Note 7)
(
meta.code
)
(
CODE_MISC
)
VarName
Alternative name of the variable
(Note G8)
(
meta.id
)
(
ID_VARIAB
)
AFOEV
AFOEV
Check the existence of a light curve at
AFOEV
(
meta.ref.url
)
(
DATA_LINK
)
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ask the
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data-base about this object
(
DATA_LINK
)
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