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=3993945
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ColumnValue  Explain   (UCD)
_RAJ200012 45 31.446120000 "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+13 20 07.81548000 "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 43 00.751067205 "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+13 36 31.10792611 "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)
_Glon296.916952019348 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+76.138139690590 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)
3993945recno 3993945  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID223903189   [101001/462816250] Observation ID (meta.id)
TargetJ124531.44+132007.8  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2014-03-09 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56726   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56725   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD124814N133310B  Plan Name (obs.field)
spId03   [1/16] Spectrograph ID (meta.id;instr)
FiberId189   [1/250] Fiber ID (meta.id)
RAJ2000191.3810255000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+13.3355043000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 1.53   Signal Noise Ratio of u filter (stat.snr)
snrg 3.72   Signal Noise Ratio of g filter (stat.snr)
snrr 3.20   Signal Noise Ratio of r filter (stat.snr)
snri 6.59   Signal Noise Ratio of i filter (stat.snr)
snrz 4.47   Signal Noise Ratio of z filter (stat.snr)
objTypegal  Object Type (src.class)
ClassGALAXY  Spectra Type (src.class)
SubClassNon  Stellar Sub-Class (src.class)
z 0.0034910000   Redshift (src.redshift)
e_z    []? rms uncertainty on z (stat.error;src.redshift)
magTypeugriz  Target Magnitude Type (meta.note)
mag116.54   Magnitude in Band 1 of magType (phot.mag)
mag215.31   Magnitude in Band 2 of magType (phot.mag)
mag314.99   Magnitude in Band 3 of magType (phot.mag)
mag414.86   Magnitude in Band 4 of magType (phot.mag)
mag515.01   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)
tInfo1237661818170376382  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)
RA1deg191.3810255000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg13.3355043000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56726-HD124814N133310B_sp03-189.fits  FITS files name (meta.id)
  
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Rules of usage of VizieR data

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