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=1541565
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ColumnValue  Explain   (UCD)
_RAJ200011 04 24.036000000 "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+07 29 18.26880000 "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)
_RAB195011 01 48.081723749 "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+07 45 29.50975313 "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)
_Glon245.732111761697 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+57.921809911073 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)
1541565recno 1541565  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID 91204025   [101001/462816250] Observation ID (meta.id)
TargetJ110424.03+072918.2  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2012-12-08 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56270   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56269   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD110609N070823B01  Plan Name (obs.field)
spId04   [1/16] Spectrograph ID (meta.id;instr)
FiberId025   [1/250] Fiber ID (meta.id)
RAJ2000166.1001500000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+07.4884080000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 1.28   Signal Noise Ratio of u filter (stat.snr)
snrg 11.76   Signal Noise Ratio of g filter (stat.snr)
snrr 22.58   Signal Noise Ratio of r filter (stat.snr)
snri 27.34   Signal Noise Ratio of i filter (stat.snr)
snrz 19.38   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassG5  Stellar Sub-Class (src.class)
z -0.0000817566   Redshift (src.redshift)
e_z 0.0000180125   []? rms uncertainty on z (stat.error;src.redshift)
magTypegribvjh  Target Magnitude Type (meta.note)
mag114.74   Magnitude in Band 1 of magType (phot.mag)
mag214.19   Magnitude in Band 2 of magType (phot.mag)
mag314.01   Magnitude in Band 3 of magType (phot.mag)
mag415.20   Magnitude in Band 4 of magType (phot.mag)
mag514.39   Magnitude in Band 5 of magType (phot.mag)
mag613.01   Magnitude in Band 6 of magType (phot.mag)
mag712.56   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)
tfromUCAC4  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo111186046  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)
RA1deg166.1001500000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg 7.4884080000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56270-HD110609N070823B01_sp04-025.fits  FITS files name (meta.id)
  
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Rules of usage of VizieR data

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