VizieR

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VizieR

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V/153/stellar4 LAMOST DR4 catalogs (Luo+, 2018)
A, F, G and K type stars catalog (4537436 rows)
  recno=2054793
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ColumnValue  Explain   (UCD)
_RAJ200009 27 55.889088000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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.eq.ra)
_DEJ2000+17 39 12.09240000 "d:m:s" Declination (FK5, Equinox=J2000.0) (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.eq.dec)
_RAB195009 25 08.857981639 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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.eq.ra)
_DEB1950+17 52 17.66300296 "d:m:s" Declination (FK4, Equinox=B1950.0) (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.eq.dec)
_Glon213.263450813282 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+42.330875425683 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)
2054793recno 2054793  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ObsID209412029   [101001/462816247] Observation ID (meta.id)
TargetJ092755.88+173912.0  Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
ObsDate2014-01-20 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56678 d [55859/57542] Local Modified Julian Day (time.epoch)
MJD56677 d [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD092246N154635V01  Plan Name (obs.field)
spId12   [1/16] Spectrograph ID (meta.id;instr)
FiberId 29   [1/250] Fiber ID (meta.id)
RAJ2000141.9828712000 deg (i) Fiber pointing right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+17.6533590000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 46.80  Signal Noise Ratio of u filter (stat.snr)
snrg177.43  Signal Noise Ratio of g filter (stat.snr)
snrr235.40  Signal Noise Ratio of r filter (stat.snr)
snri202.52  Signal Noise Ratio of i filter (stat.snr)
snrz170.22  Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Stellar Class (src.class)
SubClassG3  Stellar Sub-Class (src.class)
z 0.0000680804  Redshift (src.redshift)
e_z 0.0000133759   [] rms uncertainty on z (stat.error;src.redshift)
magTypegri  Target Magnitude Type (meta.note)
mag110.14 mag Magnitude in band 1 of magType (phot.mag)
mag2 9.22 mag Magnitude in band 2 of magType (phot.mag)
mag3 9.10 mag Magnitude in band 3 of magType (phot.mag)
mag4  mag Magnitude in band 4 of magType (phot.mag)
mag5  mag Magnitude in band 5 of magType (phot.mag)
mag6  mag Magnitude in band 6 of magType (phot.mag)
mag7  mag Magnitude in band 7 of magType (phot.mag)
tsourceLEGUE_LCH  Organization or person who submits input catalog (meta.curation)
FiberTypeObj  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note)
tfromUCAC4  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo<offset, 9.22, 141.981866000, 17.653359000, 3.45>125198066  Target ID from SDSS, UCAC4, PANSTAR and other catalogue (meta.bib)
n_offset1   [0/1] Whether there is a fiber offset during observation (meta.note)
offset 3.450 arcsec If offset is true, it gives the offset distance from the target's coordinator in input catalog (pos.angDistance;arith.diff)
RA1deg141.9818660000 deg Right ascension from input catalog (J2000) (pos.eq.ra)
DE1deg17.6533590000 deg Declination from input catalog (J2000) (pos.eq.dec)
Teff5697.06 K Effective temperature (phys.temperature.effective)
e_Teff 16.61 K Uncertainty of Effective temperature (stat.error;phys.temperature.effective)
logg 4.394 [cm/s2] Surface gravity (phys.gravity)
e_logg 0.027 [cm/s2] Uncertainty of Surface gravity (stat.error)
[Fe/H]-0.176 [-] Metallicity (phys.abund.Z)
e_[Fe/H] 0.015 [-] Uncertainty of Metallicity (stat.error;phys.abund.Fe)
HRV 20.41 km/s Heliocentric Radial Velocity (spect.dopplerVeloc;pos.heliocentric)
e_HRV 4.01 km/s Uncertainty of Heliocentric Radial Velocity (stat.error)
  
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