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=885595
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ColumnValue  Explain   (UCD)
_RAJ200009 17 59.856000000 "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+50 00 07.83720000 "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)
_RAB195009 14 33.761189572 "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+50 12 44.70720203 "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)
_Glon168.428781919761 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+43.685843894519 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)
885595recno 885595  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID 49013217   [101001/462816250] Observation ID (meta.id)
TargetJ091759.85+500007.8  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2012-04-03 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56021   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56020   [55858/57541] Modified Julian Day (time.epoch)
PlanIdVB3_136N49_V1  Plan Name (obs.field)
spId13   [1/16] Spectrograph ID (meta.id;instr)
FiberId217   [1/250] Fiber ID (meta.id)
RAJ2000139.4994000000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+50.0021770000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 0.33   Signal Noise Ratio of u filter (stat.snr)
snrg 1.94   Signal Noise Ratio of g filter (stat.snr)
snrr 2.51   Signal Noise Ratio of r filter (stat.snr)
snri 2.33   Signal Noise Ratio of i filter (stat.snr)
snrz 5.40   Signal Noise Ratio of z filter (stat.snr)
objTypestar  Object Type (src.class)
ClassUnknown  Spectra Type (src.class)
SubClassNon  Stellar Sub-Class (src.class)
z    Redshift (src.redshift)
e_z    []? rms uncertainty on z (stat.error;src.redshift)
magTypebrijhk  Target Magnitude Type (meta.note)
mag113.15   Magnitude in Band 1 of magType (phot.mag)
mag213.75   Magnitude in Band 2 of magType (phot.mag)
mag312.44   Magnitude in Band 3 of magType (phot.mag)
mag413.37   Magnitude in Band 4 of magType (phot.mag)
mag514.67   Magnitude in Band 5 of magType (phot.mag)
mag614.03   Magnitude in Band 6 of magType (phot.mag)
mag713.61   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)
tInfoVB0906+4936_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)
RA1deg139.4994000000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg50.0021770000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56021-VB3_136N49_V1_sp13-217.fits  FITS files name (meta.id)
  
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