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=1969895
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ColumnValue  Explain   (UCD)
_RAJ200008 57 36.985200000 "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+15 33 53.37720000 "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)
_RAB195008 54 49.778031677 "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+15 45 30.07081039 "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)
_Glon212.303563924320 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+34.812086444466 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)
1969895recno 1969895  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID116813078   [101001/462816250] Observation ID (meta.id)
TargetJ085736.98+153353.3  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2013-02-01 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56325   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56324   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD085101N152102B01  Plan Name (obs.field)
spId13   [1/16] Spectrograph ID (meta.id;instr)
FiberId078   [1/250] Fiber ID (meta.id)
RAJ2000134.4041050000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+15.5648270000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 2.59   Signal Noise Ratio of u filter (stat.snr)
snrg 21.77   Signal Noise Ratio of g filter (stat.snr)
snrr 17.85   Signal Noise Ratio of r filter (stat.snr)
snri 19.41   Signal Noise Ratio of i filter (stat.snr)
snrz 11.42   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassG2  Stellar Sub-Class (src.class)
z 0.0000509352   Redshift (src.redshift)
e_z 0.0000252508   []? rms uncertainty on z (stat.error;src.redshift)
magTypegribvjh  Target Magnitude Type (meta.note)
mag114.64   Magnitude in Band 1 of magType (phot.mag)
mag214.31   Magnitude in Band 2 of magType (phot.mag)
mag314.17   Magnitude in Band 3 of magType (phot.mag)
mag414.99   Magnitude in Band 4 of magType (phot.mag)
mag514.46   Magnitude in Band 5 of magType (phot.mag)
mag613.26   Magnitude in Band 6 of magType (phot.mag)
mag712.90   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)
tInfo122426404  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)
RA1deg134.4041050000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg15.5648270000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56325-HD085101N152102B01_sp13-078.fits  FITS files name (meta.id)
  
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Rules of usage of VizieR data

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