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=4969
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ColumnValue  Explain   (UCD)
_RAJ200002 58 19.793280000 "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+00 34 53.25600000 "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)
_RAB195002 55 45.646305609 "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+00 22 55.60472299 "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)
_Glon175.885823196766 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-48.795016877868 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)
4969recno 4969  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID 215211   [101001/462816250] Observation ID (meta.id)
TargetJ025819.79+003453.2  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2011-10-24 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD55859   [55859/57542] Local Modified Julian Day (time.epoch)
MJD55858   [55858/57541] Modified Julian Day (time.epoch)
PlanIdF5907  Plan Name (obs.field)
spId15   [1/16] Spectrograph ID (meta.id;instr)
FiberId211   [1/250] Fiber ID (meta.id)
RAJ2000044.5824720000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+00.5814600000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 0.10   Signal Noise Ratio of u filter (stat.snr)
snrg 12.92   Signal Noise Ratio of g filter (stat.snr)
snrr 30.97   Signal Noise Ratio of r filter (stat.snr)
snri 42.47   Signal Noise Ratio of i filter (stat.snr)
snrz 21.60   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassK3  Stellar Sub-Class (src.class)
z 0.0000471660   Redshift (src.redshift)
e_z 0.0000130424   []? rms uncertainty on z (stat.error;src.redshift)
magTypeugriz  Target Magnitude Type (meta.note)
mag119.05   Magnitude in Band 1 of magType (phot.mag)
mag216.84   Magnitude in Band 2 of magType (phot.mag)
mag315.94   Magnitude in Band 3 of magType (phot.mag)
mag415.64   Magnitude in Band 4 of magType (phot.mag)
mag515.48   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)
tsourceJF_LEGAS_S  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)
tInfo.  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 44.5824720000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg 0.5814600000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-55859-F5907_sp15-211.fits  FITS files name (meta.id)
  
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