VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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V/153/dr4 LAMOST DR4 catalogs (Luo+, 2018)
LAMOST DR4 catalog (09/08/2018 version)
spectrum/fits
(7620612 rows)
  recno=1468412
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ColumnValue  Explain   (UCD)
_RAJ200000 02 51.738240000 "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+35 45 32.78160000 "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)
_RAB195000 00 17.636192141 "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+35 28 50.94125782 "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)
_Glon111.975832543808 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-26.077085183020 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)
1468412recno 1468412  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID 87610155   [101001/462816250] Observation ID (meta.id)
TargetJ000251.73+354532.7  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2012-11-30 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56262   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56261   [55858/57541] Modified Julian Day (time.epoch)
PlanIdVB002N36V3  Plan Name (obs.field)
spId10   [1/16] Spectrograph ID (meta.id;instr)
FiberId155   [1/250] Fiber ID (meta.id)
RAJ2000000.7155760000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+35.7591060000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 29.62   Signal Noise Ratio of u filter (stat.snr)
snrg102.53   Signal Noise Ratio of g filter (stat.snr)
snrr 88.34   Signal Noise Ratio of r filter (stat.snr)
snri103.53   Signal Noise Ratio of i filter (stat.snr)
snrz 86.63   Signal Noise Ratio of z filter (stat.snr)
objTypestar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassF6  Stellar Sub-Class (src.class)
z -0.0000955328   Redshift (src.redshift)
e_z 0.0000179457   []? rms uncertainty on z (stat.error;src.redshift)
magTypebrijhk  Target Magnitude Type (meta.note)
mag112.35   Magnitude in Band 1 of magType (phot.mag)
mag212.24   Magnitude in Band 2 of magType (phot.mag)
mag3    Magnitude in Band 3 of magType (phot.mag)
mag412.32   Magnitude in Band 4 of magType (phot.mag)
mag511.36   Magnitude in Band 5 of magType (phot.mag)
mag611.10   Magnitude in Band 6 of magType (phot.mag)
mag711.05   Magnitude in Band 7 of magType (phot.mag)
tsourcePILOT  Organization or person who submits input catalog (meta.curation)
FiberTypeObj  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note)
tfromSDSS  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfoVB0008+3637_V3  Target ID from SDSS, UCAC4, PANSTAR and other catalogue (meta.bib)
n_offset0   [0/1] Whether there is a fiber offset during observation (meta.note)
offset 0.000 arcsec [0/99] If offset is true, it gives the offset distance from the target's coordinator in input catalog (pos.angDistance;arith.diff)
RA1deg 0.7155760000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg35.7591060000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56262-VB002N36V3_sp10-155.fits  FITS files name (meta.id)
  
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Cite/acknowledge VizieR catalogue
Rules of usage of VizieR data

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