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)
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LAMOST DR4 catalog (09/08/2018 version)
spectrum/fits
(7620612 rows) 		  recno=7415684
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ColumnValue  Explain   (UCD)
_RAJ200016 08 15.510144000 "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+20 49 14.87928000 "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)
_RAB195016 06 04.188010103 "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+20 57 08.42768692 "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)
_Glon035.996128636139 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+44.876541922846 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)
7415684recno 7415684  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)
ObsID448705146   [101001/462816250] Observation ID (meta.id)
TargetJ160815.51+204914.8  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2016-03-29 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD57477   [55859/57542] Local Modified Julian Day (time.epoch)
MJD57476   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD160722N214921V02  Plan Name (obs.field)
spId05   [1/16] Spectrograph ID (meta.id;instr)
FiberId146   [1/250] Fiber ID (meta.id)
RAJ2000242.0646256000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+20.8207998000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 26.45   Signal Noise Ratio of u filter (stat.snr)
snrg114.06   Signal Noise Ratio of g filter (stat.snr)
snrr140.33   Signal Noise Ratio of r filter (stat.snr)
snri147.87   Signal Noise Ratio of i filter (stat.snr)
snrz104.91   Signal Noise Ratio of z filter (stat.snr)
objTypeFS  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassF0  Stellar Sub-Class (src.class)
z 0.0003195544   Redshift (src.redshift)
e_z 0.0000320222   []? rms uncertainty on z (stat.error;src.redshift)
magTypeBR1R2I  Target Magnitude Type (meta.note)
mag113.86   Magnitude in Band 1 of magType (phot.mag)
mag213.16   Magnitude in Band 2 of magType (phot.mag)
mag313.27   Magnitude in Band 3 of magType (phot.mag)
mag412.91   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)
tsourceLAMOST  Organization or person who submits input catalog (meta.curation)
FiberTypeF-Std  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note)
tfromSSA  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfoLAMOST  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)
RA1deg242.0646256000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg20.8207998000  Declination from input catalog (J2000) (pos.eq.dec)
AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-57477-HD160722N214921V02_sp05-146.fits  FITS files name (meta.id)
  
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