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=1847886
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ColumnValue  Explain   (UCD)
_RAJ200005 59 20.590320000 "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+20 02 07.41480000 "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)
_RAB195005 56 22.488720075 "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+20 01 58.04762771 "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)
_Glon189.250069325461 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-01.845481931006 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)
1847886recno 1847886  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID107808086   [101001/462816250] Observation ID (meta.id)
TargetJ055920.59+200207.4  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2013-01-16 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56309   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56308   [55858/57541] Modified Julian Day (time.epoch)
PlanIdGAC088N20V1  Plan Name (obs.field)
spId08   [1/16] Spectrograph ID (meta.id;instr)
FiberId086   [1/250] Fiber ID (meta.id)
RAJ2000089.8357930000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+20.0353930000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 47.37   Signal Noise Ratio of u filter (stat.snr)
snrg190.02   Signal Noise Ratio of g filter (stat.snr)
snrr267.31   Signal Noise Ratio of r filter (stat.snr)
snri329.49   Signal Noise Ratio of i filter (stat.snr)
snrz247.06   Signal Noise Ratio of z filter (stat.snr)
objTypestar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassF0  Stellar Sub-Class (src.class)
z -0.0001003027   Redshift (src.redshift)
e_z 0.0000214148   []? rms uncertainty on z (stat.error;src.redshift)
magTypeugrijhk  Target Magnitude Type (meta.note)
mag1    Magnitude in Band 1 of magType (phot.mag)
mag2 0.00   Magnitude in Band 2 of magType (phot.mag)
mag310.88   Magnitude in Band 3 of magType (phot.mag)
mag4 0.00   Magnitude in Band 4 of magType (phot.mag)
mag510.06   Magnitude in Band 5 of magType (phot.mag)
mag6 9.88   Magnitude in Band 6 of magType (phot.mag)
mag7 9.81   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)
tfrom   Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfoXY0554+2016_V1  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 89.8357930000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg20.0353930000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56309-GAC088N20V1_sp08-086.fits  FITS files name (meta.id)
  
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