VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) 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=6462024
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ColumnValue  Explain   (UCD)
_RAJ200001 30 23.068440000 "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+32 53 52.02420000 "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)
_RAB195001 27 33.030082014 "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+32 38 24.70147420 "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)
_Glon132.299881919511 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-29.264523127166 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)
6462024recno 6462024  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID386012160   [101001/462816250] Observation ID (meta.id)
TargetJ013023.06+325352.0  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2015-12-03 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD57360   [55859/57542] Local Modified Julian Day (time.epoch)
MJD57359   [55858/57541] Modified Julian Day (time.epoch)
PlanIdEG012256N315028B01  Plan Name (obs.field)
spId12   [1/16] Spectrograph ID (meta.id;instr)
FiberId160   [1/250] Fiber ID (meta.id)
RAJ2000022.5961185000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+32.8977845000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 1.04   Signal Noise Ratio of u filter (stat.snr)
snrg 6.49   Signal Noise Ratio of g filter (stat.snr)
snrr 14.82   Signal Noise Ratio of r filter (stat.snr)
snri 27.10   Signal Noise Ratio of i filter (stat.snr)
snrz 20.52   Signal Noise Ratio of z filter (stat.snr)
objTypegal  Object Type (src.class)
ClassGALAXY  Spectra Type (src.class)
SubClassNon  Stellar Sub-Class (src.class)
z 0.0671488000   Redshift (src.redshift)
e_z 0.0000079900   []? rms uncertainty on z (stat.error;src.redshift)
magTypeugriz  Target Magnitude Type (meta.note)
mag119.09   Magnitude in Band 1 of magType (phot.mag)
mag217.09   Magnitude in Band 2 of magType (phot.mag)
mag316.16   Magnitude in Band 3 of magType (phot.mag)
mag415.71   Magnitude in Band 4 of magType (phot.mag)
mag515.33   Magnitude in Band 5 of magType (phot.mag)
mag6    Magnitude in Band 6 of magType (phot.mag)
mag7    Magnitude in Band 7 of magType (phot.mag)
tsourceLEGAS_SSY  Organization or person who submits input catalog (meta.curation)
FiberTypeObj  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note)
tfrombgnoz  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo1237678892816269618  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 22.5961185000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg32.8977845000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-57360-EG012256N315028B01_sp12-160.fits  FITS files name (meta.id)
  
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