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=7121680
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ColumnValue  Explain   (UCD)
_RAJ200004 36 38.162976000 "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+15 50 57.48900000 "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)
_RAB195004 33 46.792732081 "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+15 44 55.17926021 "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)
_Glon181.640040002887 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-20.518209820186 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)
7121680recno 7121680  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID426001178   [101001/462816250] Observation ID (meta.id)
TargetJ043638.16+155057.4  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2016-02-19 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD57438   [55859/57542] Local Modified Julian Day (time.epoch)
MJD57437   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD043333N180100V01  Plan Name (obs.field)
spId01   [1/16] Spectrograph ID (meta.id;instr)
FiberId178   [1/250] Fiber ID (meta.id)
RAJ2000069.1590124000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+15.8493025000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru160.71   Signal Noise Ratio of u filter (stat.snr)
snrg348.29   Signal Noise Ratio of g filter (stat.snr)
snrr333.48   Signal Noise Ratio of r filter (stat.snr)
snri183.13   Signal Noise Ratio of i filter (stat.snr)
snrz158.28   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassB6  Stellar Sub-Class (src.class)
z 0.0001248500   Redshift (src.redshift)
e_z 0.0000026700   []? rms uncertainty on z (stat.error;src.redshift)
magTypegri  Target Magnitude Type (meta.note)
mag110.64   Magnitude in Band 1 of magType (phot.mag)
mag210.36   Magnitude in Band 2 of magType (phot.mag)
mag310.30   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)
tInfo<offset,10.36, 69.158367500, 15.849302500, 2.23>17163821109155002  Target ID from SDSS, UCAC4, PANSTAR and other catalogue (meta.bib)
n_offset1   [0/1] Whether there is a fiber offset during observation (meta.note)
offset 2.230 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 69.1583675000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg15.8493025000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-57438-HD043333N180100V01_sp01-178.fits  FITS files name (meta.id)
  
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Rules of usage of VizieR data

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