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=4147266
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ColumnValue  Explain   (UCD)
_RAJ200012 59 01.807200000 "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+26 48 56.36520000 "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 56 36.516792949 "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+27 05 06.50034094 "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)
_Glon022.893609562653 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+88.279783572024 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)
4147266recno 4147266  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID235905043   [101001/462816250] Observation ID (meta.id)
TargetJ125901.80+264856.3  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2014-04-21 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56769   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56768   [55858/57541] Modified Julian Day (time.epoch)
PlanIdVB194N28V1  Plan Name (obs.field)
spId05   [1/16] Spectrograph ID (meta.id;instr)
FiberId043   [1/250] Fiber ID (meta.id)
RAJ2000194.7575300000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+26.8156570000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 1.33   Signal Noise Ratio of u filter (stat.snr)
snrg 21.84   Signal Noise Ratio of g filter (stat.snr)
snrr 54.83   Signal Noise Ratio of r filter (stat.snr)
snri 78.00   Signal Noise Ratio of i filter (stat.snr)
snrz 63.64   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 0.0239262000   Redshift (src.redshift)
e_z 0.0000039700   []? rms uncertainty on z (stat.error;src.redshift)
magTypebrijhk  Target Magnitude Type (meta.note)
mag1    Magnitude in Band 1 of magType (phot.mag)
mag214.50   Magnitude in Band 2 of magType (phot.mag)
mag3    Magnitude in Band 3 of magType (phot.mag)
mag4    Magnitude in Band 4 of magType (phot.mag)
mag512.83   Magnitude in Band 5 of magType (phot.mag)
mag612.28   Magnitude in Band 6 of magType (phot.mag)
mag711.98   Magnitude in Band 7 of magType (phot.mag)
tsourcePILOT  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)
tInfoVB1259+2803_V1  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)
RA1deg194.7575300000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg26.8156570000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56769-VB194N28V1_sp05-043.fits  FITS files name (meta.id)
  
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