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=4227181
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ColumnValue  Explain   (UCD)
_RAJ200014 05 08.684184000 "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+37 36 47.42388000 "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)
_RAB195014 03 01.546695116 "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+37 51 05.92537457 "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)
_Glon071.617268497408 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+71.290383967199 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)
4227181recno 4227181  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID242103217   [101001/462816250] Observation ID (meta.id)
TargetJ140508.68+373647.4  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2014-05-26 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56804   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56803   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD140944N371948B01  Plan Name (obs.field)
spId03   [1/16] Spectrograph ID (meta.id;instr)
FiberId217   [1/250] Fiber ID (meta.id)
RAJ2000211.2861841000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+37.6131733000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 2.60   Signal Noise Ratio of u filter (stat.snr)
snrg 9.60   Signal Noise Ratio of g filter (stat.snr)
snrr 12.81   Signal Noise Ratio of r filter (stat.snr)
snri 21.38   Signal Noise Ratio of i filter (stat.snr)
snrz 15.76   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassGALAXY  Spectra Type (src.class)
SubClassNon  Stellar Sub-Class (src.class)
z 0.0712469000   Redshift (src.redshift)
e_z 0.0000137800   []? rms uncertainty on z (stat.error;src.redshift)
magTypeugriz  Target Magnitude Type (meta.note)
mag118.27   Magnitude in Band 1 of magType (phot.mag)
mag217.03   Magnitude in Band 2 of magType (phot.mag)
mag316.50   Magnitude in Band 3 of magType (phot.mag)
mag416.20   Magnitude in Band 4 of magType (phot.mag)
mag516.06   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_NAOC  Organization or person who submits input catalog (meta.curation)
FiberTypeObj  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note)
tfromSDSS_spec  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo1848864588494301184  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)
RA1deg211.2861841000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg37.6131733000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56804-HD140944N371948B01_sp03-217.fits  FITS files name (meta.id)
  
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