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=7587615
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ColumnValue  Explain   (UCD)
_RAJ200019 48 15.503808000 "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+28 29 13.31196000 "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)
_RAB195019 46 13.981248587 "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+28 21 41.35677848 "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)
_Glon064.466087726408 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+01.462961172414 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)
7587615recno 7587615  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID461313054   [101001/462816250] Observation ID (meta.id)
TargetJ194815.50+282913.3  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2016-05-26 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD57535   [55859/57542] Local Modified Julian Day (time.epoch)
MJD57534   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD193711N282959V01  Plan Name (obs.field)
spId13   [1/16] Spectrograph ID (meta.id;instr)
FiberId054   [1/250] Fiber ID (meta.id)
RAJ2000297.0645992000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+28.4870311000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 0.56   Signal Noise Ratio of u filter (stat.snr)
snrg 5.20   Signal Noise Ratio of g filter (stat.snr)
snrr 11.87   Signal Noise Ratio of r filter (stat.snr)
snri 57.97   Signal Noise Ratio of i filter (stat.snr)
snrz126.77   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassM7  Stellar Sub-Class (src.class)
z 0.0000961100   Redshift (src.redshift)
e_z 0.0000267000   []? rms uncertainty on z (stat.error;src.redshift)
magTypegri  Target Magnitude Type (meta.note)
mag114.45   Magnitude in Band 1 of magType (phot.mag)
mag212.58   Magnitude in Band 2 of magType (phot.mag)
mag310.17   Magnitude in Band 3 of magType (phot.mag)
mag4    Magnitude in Band 4 of magType (phot.mag)
mag5    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)
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)
tfromLCH000001  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo14376928669545364  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)
RA1deg297.0645992000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg28.4870311000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-57535-HD193711N282959V01_sp13-054.fits  FITS files name (meta.id)
  
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