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=1396934
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ColumnValue  Explain   (UCD)
_RAJ200001 16 10.712880000 "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+48 52 18.97320000 "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)
_RAB195001 13 12.569749353 "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+48 36 29.92042233 "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)
_Glon127.116656797803 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-13.798682807044 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)
1396934recno 1396934  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID 82712141   [101001/462816250] Observation ID (meta.id)
TargetJ011610.71+485218.9  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2012-11-24 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56256   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56255   [55858/57541] Modified Julian Day (time.epoch)
PlanIdVB018N47V1  Plan Name (obs.field)
spId12   [1/16] Spectrograph ID (meta.id;instr)
FiberId141   [1/250] Fiber ID (meta.id)
RAJ2000019.0446370000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+48.8719370000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 0.14   Signal Noise Ratio of u filter (stat.snr)
snrg 3.70   Signal Noise Ratio of g filter (stat.snr)
snrr 7.89   Signal Noise Ratio of r filter (stat.snr)
snri 10.09   Signal Noise Ratio of i filter (stat.snr)
snrz 9.26   Signal Noise Ratio of z filter (stat.snr)
objTypestar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassG5  Stellar Sub-Class (src.class)
z -0.0002539400   Redshift (src.redshift)
e_z 0.0000202600   []? rms uncertainty on z (stat.error;src.redshift)
magTypebrijhk  Target Magnitude Type (meta.note)
mag114.27   Magnitude in Band 1 of magType (phot.mag)
mag211.97   Magnitude in Band 2 of magType (phot.mag)
mag312.41   Magnitude in Band 3 of magType (phot.mag)
mag411.39   Magnitude in Band 4 of magType (phot.mag)
mag510.81   Magnitude in Band 5 of magType (phot.mag)
mag610.24   Magnitude in Band 6 of magType (phot.mag)
mag710.10   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)
tfromSDSS  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfoVB0112+4711_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)
RA1deg 19.0446370000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg48.8719370000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56256-VB018N47V1_sp12-141.fits  FITS files name (meta.id)
  
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