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=4470
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ColumnValue  Explain   (UCD)
_RAJ200003 03 42.807840000 "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+01 28 54.88680000 "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)
_RAB195003 01 07.899682091 "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+01 17 13.84451668 "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)
_Glon176.337863142458 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-47.204369809799 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)
4470recno 4470  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID 212234   [101001/462816250] Observation ID (meta.id)
TargetJ030342.80+012854.8  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2011-10-24 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD55859   [55859/57542] Local Modified Julian Day (time.epoch)
MJD55858   [55858/57541] Modified Julian Day (time.epoch)
PlanIdF5907  Plan Name (obs.field)
spId12   [1/16] Spectrograph ID (meta.id;instr)
FiberId234   [1/250] Fiber ID (meta.id)
RAJ2000045.9283660000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+01.4819130000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 1.42   Signal Noise Ratio of u filter (stat.snr)
snrg 9.68   Signal Noise Ratio of g filter (stat.snr)
snrr 10.72   Signal Noise Ratio of r filter (stat.snr)
snri 13.58   Signal Noise Ratio of i filter (stat.snr)
snrz 7.67   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassA7IV  Stellar Sub-Class (src.class)
z 0.0000776100   Redshift (src.redshift)
e_z 0.0001179200   []? rms uncertainty on z (stat.error;src.redshift)
magTypeugriz  Target Magnitude Type (meta.note)
mag117.82   Magnitude in Band 1 of magType (phot.mag)
mag216.75   Magnitude in Band 2 of magType (phot.mag)
mag316.49   Magnitude in Band 3 of magType (phot.mag)
mag416.42   Magnitude in Band 4 of magType (phot.mag)
mag516.40   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)
tsourceJF_LEGAS_S  Organization or person who submits input catalog (meta.curation)
FiberTypeObj  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note)
tfrom-  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo.  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 45.9283660000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg 1.4819130000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-55859-F5907_sp12-234.fits  FITS files name (meta.id)
  
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