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)
ReadMe+ftp

LAMOST DR4 catalog (09/08/2018 version)
spectrum/fits
(7620612 rows) 		  recno=1422401
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ColumnValue  Explain   (UCD)
_RAJ200000 08 14.066160000 "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+33 34 56.31600000 "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)
_RAB195000 05 38.958242352 "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+33 18 14.90114666 "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)
_Glon112.706079211508 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-28.430122390359 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)
1422401recno 1422401  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)
ObsID 83711207   [101001/462816250] Observation ID (meta.id)
TargetJ000814.06+333456.3  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2012-11-25 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56257   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56256   [55858/57541] Modified Julian Day (time.epoch)
PlanIdVB002N31V2  Plan Name (obs.field)
spId11   [1/16] Spectrograph ID (meta.id;instr)
FiberId207   [1/250] Fiber ID (meta.id)
RAJ2000002.0586090000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+33.5823100000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 3.73   Signal Noise Ratio of u filter (stat.snr)
snrg 20.02   Signal Noise Ratio of g filter (stat.snr)
snrr 33.95   Signal Noise Ratio of r filter (stat.snr)
snri 25.13   Signal Noise Ratio of i filter (stat.snr)
snrz 23.65   Signal Noise Ratio of z filter (stat.snr)
objTypestar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassG9  Stellar Sub-Class (src.class)
z -0.0001180150   Redshift (src.redshift)
e_z 0.0000420624   []? rms uncertainty on z (stat.error;src.redshift)
magTypebrijhk  Target Magnitude Type (meta.note)
mag114.07   Magnitude in Band 1 of magType (phot.mag)
mag212.83   Magnitude in Band 2 of magType (phot.mag)
mag312.77   Magnitude in Band 3 of magType (phot.mag)
mag412.15   Magnitude in Band 4 of magType (phot.mag)
mag511.75   Magnitude in Band 5 of magType (phot.mag)
mag611.36   Magnitude in Band 6 of magType (phot.mag)
mag711.31   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)
tInfoVB0008+3122_V2  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 2.0586090000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg33.5823100000  Declination from input catalog (J2000) (pos.eq.dec)
AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56257-VB002N31V2_sp11-207.fits  FITS files name (meta.id)
  
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