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=2409216
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ColumnValue  Explain   (UCD)
_RAJ200013 43 51.801360000 "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)
_DEJ2000-01 19 01.66440000 "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)
_RAB195013 41 17.427243850 "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)
_DEB1950-01 03 58.35240862 "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)
_Glon328.949262923600 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+58.880833099931 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)
2409216recno 2409216  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID141401080   [101001/462816250] Observation ID (meta.id)
TargetJ134351.80-011901.6  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2013-04-06 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56389   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56388   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD134427N004207M01  Plan Name (obs.field)
spId01   [1/16] Spectrograph ID (meta.id;instr)
FiberId080   [1/250] Fiber ID (meta.id)
RAJ2000205.9658390000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-01.3171290000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 2.26   Signal Noise Ratio of u filter (stat.snr)
snrg 24.90   Signal Noise Ratio of g filter (stat.snr)
snrr 49.68   Signal Noise Ratio of r filter (stat.snr)
snri 62.09   Signal Noise Ratio of i filter (stat.snr)
snrz 44.67   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassG7  Stellar Sub-Class (src.class)
z -0.0001316244   Redshift (src.redshift)
e_z 0.0000173120   []? rms uncertainty on z (stat.error;src.redshift)
magTypegriz  Target Magnitude Type (meta.note)
mag115.85   Magnitude in Band 1 of magType (phot.mag)
mag215.24   Magnitude in Band 2 of magType (phot.mag)
mag315.04   Magnitude in Band 3 of magType (phot.mag)
mag414.96   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)
tsourceLEGUE_LCH  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)
tInfo1237671990805790794  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)
RA1deg205.9658390000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg-1.3171290000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56389-HD134427N004207M01_sp01-080.fits  FITS files name (meta.id)
  
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Rules of usage of VizieR data

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