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=7263127
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ColumnValue  Explain   (UCD)
_RAJ200010 34 57.925776000 "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+02 00 53.99352000 "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)
_RAB195010 32 23.250974486 "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+02 16 25.74379360 "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)
_Glon244.614865972658 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+48.797246555815 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)
7263127recno 7263127  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID436609200   [101001/462816250] Observation ID (meta.id)
TargetJ103457.92+020053.9  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2016-03-08 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD57456   [55859/57542] Local Modified Julian Day (time.epoch)
MJD57455   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD102942N012928M01  Plan Name (obs.field)
spId09   [1/16] Spectrograph ID (meta.id;instr)
FiberId200   [1/250] Fiber ID (meta.id)
RAJ2000158.7413574000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+02.0149982000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 0.55   Signal Noise Ratio of u filter (stat.snr)
snrg 1.30   Signal Noise Ratio of g filter (stat.snr)
snrr 3.20   Signal Noise Ratio of r filter (stat.snr)
snri 2.07   Signal Noise Ratio of i filter (stat.snr)
snrz 0.55   Signal Noise Ratio of z filter (stat.snr)
objTypeQSO  Object Type (src.class)
ClassUnknown  Spectra Type (src.class)
SubClassNon  Stellar Sub-Class (src.class)
z    Redshift (src.redshift)
e_z    []? rms uncertainty on z (stat.error;src.redshift)
magTypeugriz  Target Magnitude Type (meta.note)
mag120.01   Magnitude in Band 1 of magType (phot.mag)
mag219.78   Magnitude in Band 2 of magType (phot.mag)
mag319.64   Magnitude in Band 3 of magType (phot.mag)
mag419.56   Magnitude in Band 4 of magType (phot.mag)
mag519.11   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)
tsourceLEGAS_ZYX  Organization or person who submits input catalog (meta.curation)
FiberTypeObj  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note)
tfromCLASS_3  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo-  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)
RA1deg158.7413574000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg 2.0149982000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-57456-HD102942N012928M01_sp09-200.fits  FITS files name (meta.id)
  
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