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=75281
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ColumnValue  Explain   (UCD)
_RAJ200000 08 56.158464000 "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+27 32 00.73320000 "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)
_RAB195000 06 21.232484768 "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+27 15 19.38404813 "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)
_Glon111.503447558810 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-34.393258503670 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)
75281recno 75281  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID 2903063   [101001/462816250] Observation ID (meta.id)
TargetJ000856.15+273200.7  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2011-11-10 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD55876   [55859/57542] Local Modified Julian Day (time.epoch)
MJD55875   [55858/57541] Modified Julian Day (time.epoch)
PlanIdB7603  Plan Name (obs.field)
spId03   [1/16] Spectrograph ID (meta.id;instr)
FiberId063   [1/250] Fiber ID (meta.id)
RAJ2000002.2339936000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+27.5335370000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 8.62   Signal Noise Ratio of u filter (stat.snr)
snrg 22.85   Signal Noise Ratio of g filter (stat.snr)
snrr 39.44   Signal Noise Ratio of r filter (stat.snr)
snri 27.00   Signal Noise Ratio of i filter (stat.snr)
snrz 25.17   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassF5  Stellar Sub-Class (src.class)
z -0.0001049726   Redshift (src.redshift)
e_z 0.0000212814   []? rms uncertainty on z (stat.error;src.redshift)
magTypeugrizjh  Target Magnitude Type (meta.note)
mag115.04   Magnitude in Band 1 of magType (phot.mag)
mag213.90   Magnitude in Band 2 of magType (phot.mag)
mag313.54   Magnitude in Band 3 of magType (phot.mag)
mag413.95   Magnitude in Band 4 of magType (phot.mag)
mag513.42   Magnitude in Band 5 of magType (phot.mag)
mag612.63   Magnitude in Band 6 of magType (phot.mag)
mag712.36   Magnitude in Band 7 of magType (phot.mag)
tsourcePILOT  Organization or person who submits input catalog (meta.curation)
FiberTypeObj  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note)
tfrom-  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo14_2.2335550000_27.5335370000  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 2.2339936000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg27.5335370000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-55876-B7603_sp03-063.fits  FITS files name (meta.id)
  
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