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=5227916
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ColumnValue  Explain   (UCD)
_RAJ200003 00 01.744320000 "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+00 49 59.39760000 "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)
_RAB195002 57 27.387530615 "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+00 38 06.94691070 "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)
_Glon176.066458275831 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-48.315970679777 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)
5227916recno 5227916  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID299910065   [101001/462816250] Observation ID (meta.id)
TargetJ030001.74+004959.3  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2015-01-19 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD57042   [55859/57542] Local Modified Julian Day (time.epoch)
MJD57041   [55858/57541] Modified Julian Day (time.epoch)
PlanIdEG030739N012421B01  Plan Name (obs.field)
spId10   [1/16] Spectrograph ID (meta.id;instr)
FiberId065   [1/250] Fiber ID (meta.id)
RAJ2000045.0072680000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+00.8331660000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 2.23   Signal Noise Ratio of u filter (stat.snr)
snrg 20.00   Signal Noise Ratio of g filter (stat.snr)
snrr 34.24   Signal Noise Ratio of r filter (stat.snr)
snri 46.36   Signal Noise Ratio of i filter (stat.snr)
snrz 31.07   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassG2  Stellar Sub-Class (src.class)
z -0.0001057065   Redshift (src.redshift)
e_z 0.0000231493   []? rms uncertainty on z (stat.error;src.redshift)
magTypegri  Target Magnitude Type (meta.note)
mag116.33   Magnitude in Band 1 of magType (phot.mag)
mag215.90   Magnitude in Band 2 of magType (phot.mag)
mag315.75   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)
tfromLCH100002  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo17803551014510090  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 45.0072680000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg 0.8331660000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-57042-EG030739N012421B01_sp10-065.fits  FITS files name (meta.id)
  
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