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Simple Target
List Of Targets
Fast Xmatch with large catalogs or Simbad
Target
Name (resolved by
Sesame
) or
Position
:
J2000
B1975
B1950
B1900
B1875
B1855
Galactic
Supergal.
Ecl.J2000
Target dimension:
deg
arcmin
arcsec
NB: The epoch used for the query is the original epoch of the table(s)
Radius
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J/ApJS/249/22
-1
Radial velocity variable stars from LAMOST DR4 (Tian+, 2020)
ReadMe+ftp
2020ApJS..249...22T
Similar Catalogs
timeSerie
Post annotation
1.
J/ApJS/249/22/catalog
(c)
Catalog of radial velocity (RV) variable star candidates
[timeSerie]
(80702 rows)
meta
J/ApJS/249/22/catalog
2.
J/ApJS/249/22/epochs
(c)
Measurements per epoch (extracted from catalog.dat by CDS)
(304473 rows)
meta
J/ApJS/249/22/epochs
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on
off
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arcsec
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all - matching rows only
J/ApJS/249/22/catalog
J/ApJS/249/22/epochs
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
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)
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Column
Constraint
Explain
(
UCD
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(ALL)
RAJ2000
deg
(i)
Right ascension (J2000) (RA)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(ALL)
DEJ2000
deg
(i)
[-9.5/87] Declination (J2000) (DEC)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(1)
GLON
deg
Galactic longitude (L)
(
pos.galactic.lon
)
(
POS_GAL_LON
)
(1)
GLAT
deg
Galactic latitude (B)
(
pos.galactic.lat
)
(
POS_GAL_LAT
)
(1)
Nep
[2/47] Number of epochs of the object (EPOCH)
(
meta.number
)
(
NUMBER
)
(1)
Dur
d
[0.0075/1611] Time span of observation for the object (DURATION)
(
obs.param;obs
)
(
TIME_INTERVAL
)
(1)
DeltaT
d
[-1603/1611] Δt between epochs with max and min RV (DT)
(
time.interval
)
(
TIME_INTERVAL
)
(1)
dRV
km/s
[9.8/415] Maximum RV difference between any two epochs (DRV_MAX)
(
phys.veloc;arith.diff
)
(
VELOC_DIFF
)
(1)
dlogg
[cm/s2]
[-5.15/4.82] logg between epochs with max and min RV (DLOGG)
(
phys.gravity;arith.diff
)
(
PHYS_GRAVITY_SURFACE
)
(1)
dTeff
K
[-18681/16743] ΔTeff between epochs with max and min RV (DTEFF)
(
phys.temperature.effective;arith.diff
)
(
PHYS_TEMP_MISC
)
ALL
cols
(i)
indexed column
(1)
dFeH
[-]
[-3.3/3.8] Δ[Fe/H] between epochs with max and min RV (DFEH)
(
phys.abund.Fe;stat.max;stat.min
)
(
PHYS_ABUND_FE/H
)
(1)
Chi2
[0.16/1095] Chi square of RVs calculated with equation 4 (CHIS)
(Note 1)
(
stat.fit.chi2
)
(
FIT_CHI2
)
(ALL)
RV
km/s
[-939/777] Weighted radial velocity via equation 1 (WMRV)
(Note 2)
(
phys.veloc;stat.mean
)
(
VELOC_MEAN
)
(ALL)
e_RV
km/s
[3/17.1] Weighted RV error via equation 3 (WMRVERR)
(Note 3)
(
stat.error
)
(
ERROR
)
(1)
SpecId
(char)
LAMOST unique spectral ID for epoch of target (SPEC_ID)
(
meta.id;meta.main
)
(
ID_MAIN
)
(1)
RVmax
[0/40] Index of RV_EPOCH responding for max RV (INDMM1)
(
meta.number
)
(
NUMBER
)
(1)
RVmin
[0/39] Index of RV_EPOCH responding for min RV (INDMM2)
(
meta.number
)
(
NUMBER
)
(1)
PV
[0.6/0.95] Probability of being a RV variable star
(
stat.fit.goodness
)
(
STAT_PROBABILITY
)
(1)
Type
(char)
Variability types
(
src.var
)
(
VAR_CLASS
)
(1)
KIC
(n)
Kepler identifier (see
V/133
)
(
meta.id.cross
)
(
ID_CROSSID
)
(1)
Gaia
(n)
GAIA identifier for 203 sources (see
I/345
) (GAIA
SOURCE
ID)
(
meta.id.cross
)
(
ID_CROSSID
)
(1)
OName
(char)
VSX name (see
B/vsx
) for 3044 sources (VSX_NAME)
(
meta.ref;pos.frame
)
(
ID_ALTERNATIVE
)
(1)
GCVS
(char)
GCVS Constellation numeric code (bytes 1-2), Star Number within constellation (bytes 3-6) (see
B/gcvs
) (GCVS
CON
NUM)
(
meta.id
)
(
ID_NUMBER
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1)
ASASSN-V
(char)
ASAS-SN name for 2011 sources (see
II/366
) (ASASSN_NAME)
(
meta.id.cross
)
(
ID_CROSSID
)
(1)
LAMOST
(char)
Display the LAMOST-DR4 data (
V/153
)
(
meta.ref.url
)
(
DATA_LINK
)
(1)
RVc
(char)
Interactive velocity plot
(
meta.ref.url
)
(
DATA_LINK
)
(2)
JD
d
(i)
Julian Day of exposure of the SpecId (JULS_EPOCH)
(
time.epoch;obs.exposure
)
(
TIME_DATE
)
(2)
SNR
(n)
[10/2329] S/N(4650A) per pixel in blue arm of epochs (SNRB_EPOCH)
(
stat.snr
)
(
SPECT_S/N
)
(2)
logg
[cm/s2]
(n)
[-1.1/6.42] log of surface gravity (LOGG_EPOCH)
(
phys.gravity
)
(
PHYS_GRAVITY_SURFACE
)
(2)
e_logg
[cm/s2]
(n)
[0.05/0.42] logg uncertainty (ERR
LOGG
EPOCH)
(
stat.error
)
(
ERROR
)
(2)
Teff
K
(n)
[3402/23942] Effective temperature (TEFF_EPOCH)
(
phys.temperature.effective
)
(
PHYS_TEMP_EFFEC
)
(2)
e_Teff
K
(n)
[58/660] Teff uncertainty (ERR
TEFF
EPOCH)
(
stat.error;phys.temperature.effective
)
(
ERROR
)
(2)
[Fe/H]
[-]
(n)
[-3.7/1.7] Metallicity (FEH_EPOCH)
(
phys.abund.Z
)
(
PHYS_ABUND_FE/H
)
(2)
e_[Fe/H]
[-]
(n)
[0.05/0.6] Error of [Fe/H] (ERR
FEH
EPOCH)
(
stat.error;phys.abund.Fe
)
(
ERROR
)
(2)
[a/Fe]
[-]
(n)
[-0.4/0.8] Abundance [alpha/Fe] (AFE_EPOCH)
(
phys.abund
)
(
PHYS_ABUND_FE/H
)
(2)
e_[a/Fe]
[-]
(n)
[0.026/0.3] Error of [alpha/Fe] (ERR
AFE
EPOCH)
(
stat.error;phys.abund
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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