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=3971256
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ColumnValue  Explain   (UCD)
_RAJ200012 28 41.731848000 "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+11 45 02.11464000 "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)
_RAB195012 26 09.645628699 "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+12 01 36.88338315 "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)
_Glon282.686994778563 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+73.721862317486 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)
3971256recno 3971256  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID220716163   [101001/462816250] Observation ID (meta.id)
TargetJ122841.73+114502.1  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2014-03-05 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56722   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56721   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD123302N101744B01  Plan Name (obs.field)
spId16   [1/16] Spectrograph ID (meta.id;instr)
FiberId163   [1/250] Fiber ID (meta.id)
RAJ2000187.1738827000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+11.7505874000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 0.64   Signal Noise Ratio of u filter (stat.snr)
snrg 6.38   Signal Noise Ratio of g filter (stat.snr)
snrr 13.32   Signal Noise Ratio of r filter (stat.snr)
snri 21.02   Signal Noise Ratio of i filter (stat.snr)
snrz 13.69   Signal Noise Ratio of z filter (stat.snr)
objTypegal  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassG7  Stellar Sub-Class (src.class)
z 0.0004710592   Redshift (src.redshift)
e_z 0.0000627434   []? rms uncertainty on z (stat.error;src.redshift)
magTypeugriz  Target Magnitude Type (meta.note)
mag118.56   Magnitude in Band 1 of magType (phot.mag)
mag217.78   Magnitude in Band 2 of magType (phot.mag)
mag315.21   Magnitude in Band 3 of magType (phot.mag)
mag416.45   Magnitude in Band 4 of magType (phot.mag)
mag527.77   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)
tsourceLEGAS_SSY  Organization or person who submits input catalog (meta.curation)
FiberTypeObj  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note)
tfrombgnoz  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo1237661811738935352  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)
RA1deg187.1738827000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg11.7505874000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56722-HD123302N101744B01_sp16-163.fits  FITS files name (meta.id)
  
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