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=899144
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ColumnValue  Explain   (UCD)
_RAJ200014 29 14.714400000 "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+30 01 28.09560000 "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)
_RAB195014 27 04.295232893 "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+30 14 47.76153599 "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)
_Glon046.416217099589 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+68.374205821545 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)
899144recno 899144  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID 49710008   [101001/462816250] Observation ID (meta.id)
TargetJ142914.71+300128.0  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2012-04-08 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56026   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56025   [55858/57541] Modified Julian Day (time.epoch)
PlanIdVB3_219N30_V1  Plan Name (obs.field)
spId10   [1/16] Spectrograph ID (meta.id;instr)
FiberId008   [1/250] Fiber ID (meta.id)
RAJ2000217.3113100000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+30.0244710000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 5.36   Signal Noise Ratio of u filter (stat.snr)
snrg 27.06   Signal Noise Ratio of g filter (stat.snr)
snrr 30.58   Signal Noise Ratio of r filter (stat.snr)
snri 37.17   Signal Noise Ratio of i filter (stat.snr)
snrz 36.09   Signal Noise Ratio of z filter (stat.snr)
objTypestar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassG2  Stellar Sub-Class (src.class)
z -0.0001769224   Redshift (src.redshift)
e_z 0.0000220486   []? rms uncertainty on z (stat.error;src.redshift)
magTypebrijhk  Target Magnitude Type (meta.note)
mag1    Magnitude in Band 1 of magType (phot.mag)
mag213.21   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)
mag512.20   Magnitude in Band 5 of magType (phot.mag)
mag611.90   Magnitude in Band 6 of magType (phot.mag)
mag711.85   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)
tInfoVB1438+3000_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)
RA1deg217.3113100000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg30.0244710000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56026-VB3_219N30_V1_sp10-008.fits  FITS files name (meta.id)
  
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