VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) 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=3734873
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ColumnValue  Explain   (UCD)
_RAJ200009 27 55.889088000 "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+17 39 12.09240000 "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)
_RAB195009 25 08.857981639 "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+17 52 17.66300296 "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)
_Glon213.263450813282 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+42.330875425683 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)
3734873recno 3734873  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID209412029   [101001/462816250] Observation ID (meta.id)
TargetJ092755.88+173912.0  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2014-01-20 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56678   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56677   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD092246N154635V01  Plan Name (obs.field)
spId12   [1/16] Spectrograph ID (meta.id;instr)
FiberId029   [1/250] Fiber ID (meta.id)
RAJ2000141.9828712000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+17.6533590000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 46.80   Signal Noise Ratio of u filter (stat.snr)
snrg177.43   Signal Noise Ratio of g filter (stat.snr)
snrr235.40   Signal Noise Ratio of r filter (stat.snr)
snri202.52   Signal Noise Ratio of i filter (stat.snr)
snrz170.22   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassG3  Stellar Sub-Class (src.class)
z 0.0000680804   Redshift (src.redshift)
e_z 0.0000133759   []? rms uncertainty on z (stat.error;src.redshift)
magTypegri  Target Magnitude Type (meta.note)
mag110.14   Magnitude in Band 1 of magType (phot.mag)
mag2 9.22   Magnitude in Band 2 of magType (phot.mag)
mag3 9.10   Magnitude in Band 3 of magType (phot.mag)
mag4    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)
tfromUCAC4  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo<offset, 9.22, 141.981866000, 17.653359000, 3.45>125198066  Target ID from SDSS, UCAC4, PANSTAR and other catalogue (meta.bib)
n_offset1   [0/1] Whether there is a fiber offset during observation (meta.note)
offset 3.450 arcsec [0/99] If offset is true, it gives the offset distance from the target's coordinator in input catalog (pos.angDistance;arith.diff)
RA1deg141.9818660000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg17.6533590000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56678-HD092246N154635V01_sp12-029.fits  FITS files name (meta.id)
  
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