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=1395509
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ColumnValue  Explain   (UCD)
_RAJ200001 06 15.353040000 "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+45 08 25.65960000 "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 03 22.941521950 "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+44 52 23.65346533 "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)
_Glon125.673212275475 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-17.652402359399 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)
1395509recno 1395509  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID 82702216   [101001/462816250] Observation ID (meta.id)
TargetJ010615.35+450825.6  (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)
spId02   [1/16] Spectrograph ID (meta.id;instr)
FiberId216   [1/250] Fiber ID (meta.id)
RAJ2000016.5639710000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+45.1404610000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 1.38   Signal Noise Ratio of u filter (stat.snr)
snrg 3.07   Signal Noise Ratio of g filter (stat.snr)
snrr 4.59   Signal Noise Ratio of r filter (stat.snr)
snri 3.09   Signal Noise Ratio of i filter (stat.snr)
snrz 3.80   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)
mag111.01   Magnitude in Band 1 of magType (phot.mag)
mag211.57   Magnitude in Band 2 of magType (phot.mag)
mag3    Magnitude in Band 3 of magType (phot.mag)
mag411.54   Magnitude in Band 4 of magType (phot.mag)
mag510.69   Magnitude in Band 5 of magType (phot.mag)
mag610.45   Magnitude in Band 6 of magType (phot.mag)
mag710.32   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 16.5639710000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg45.1404610000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56256-VB018N47V1_sp02-216.fits  FITS files name (meta.id)
  
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Rules of usage of VizieR data

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