VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN 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=4324755
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ColumnValue  Explain   (UCD)
_RAJ200004 04 12.885360000 "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+18 59 44.32920000 "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)
_RAB195004 01 19.161091717 "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+18 51 33.86617733 "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)
_Glon173.621594296581 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-24.364763319291 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)
4324755recno 4324755  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID249303231   [101001/462816250] Observation ID (meta.id)
TargetJ040412.88+185944.3  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2014-09-26 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56927   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56926   [55858/57541] Modified Julian Day (time.epoch)
PlanIdGAC062N19B1  Plan Name (obs.field)
spId03   [1/16] Spectrograph ID (meta.id;instr)
FiberId231   [1/250] Fiber ID (meta.id)
RAJ2000061.0536890000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+18.9956470000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 0.24   Signal Noise Ratio of u filter (stat.snr)
snrg 4.05   Signal Noise Ratio of g filter (stat.snr)
snrr 40.73   Signal Noise Ratio of r filter (stat.snr)
snri128.88   Signal Noise Ratio of i filter (stat.snr)
snrz148.86   Signal Noise Ratio of z filter (stat.snr)
objTypestar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassM3  Stellar Sub-Class (src.class)
z 0.0001272100   Redshift (src.redshift)
e_z 0.0000119300   []? rms uncertainty on z (stat.error;src.redshift)
magTypeugrizjh  Target Magnitude Type (meta.note)
mag1    Magnitude in Band 1 of magType (phot.mag)
mag217.60   Magnitude in Band 2 of magType (phot.mag)
mag315.98   Magnitude in Band 3 of magType (phot.mag)
mag414.30   Magnitude in Band 4 of magType (phot.mag)
mag5    Magnitude in Band 5 of magType (phot.mag)
mag6    Magnitude in Band 6 of magType (phot.mag)
mag7    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)
tInfoXY0409+1936_B1  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 61.0536890000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg18.9956470000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56927-GAC062N19B1_sp03-231.fits  FITS files name (meta.id)
  
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Rules of usage of VizieR data

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