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=5021434
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ColumnValue  Explain   (UCD)
_RAJ200003 34 36.296664000 "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+20 35 57.23700000 "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)
_RAB195003 31 42.505906250 "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+20 25 58.30207481 "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)
_Glon166.796520580045 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-28.053249475283 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)
5021434recno 5021434  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID286102101   [101001/462816250] Observation ID (meta.id)
TargetJ033436.29+203557.2  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2014-12-26 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD57018   [55859/57542] Local Modified Julian Day (time.epoch)
MJD57017   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD033840N223934V01  Plan Name (obs.field)
spId02   [1/16] Spectrograph ID (meta.id;instr)
FiberId101   [1/250] Fiber ID (meta.id)
RAJ2000053.6512361000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+20.5992325000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 11.06   Signal Noise Ratio of u filter (stat.snr)
snrg 50.52   Signal Noise Ratio of g filter (stat.snr)
snrr 78.82   Signal Noise Ratio of r filter (stat.snr)
snri 97.25   Signal Noise Ratio of i filter (stat.snr)
snrz 65.27   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 -0.0000790213   Redshift (src.redshift)
e_z 0.0000206143   []? rms uncertainty on z (stat.error;src.redshift)
magTypegri  Target Magnitude Type (meta.note)
mag111.35   Magnitude in Band 1 of magType (phot.mag)
mag210.87   Magnitude in Band 2 of magType (phot.mag)
mag310.92   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)
tfromLCH000001  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo<offset,10.87, 53.650957500, 20.599232500, 0.94>17838248361520453  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 0.940 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 53.6509575000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg20.5992325000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-57018-HD033840N223934V01_sp02-101.fits  FITS files name (meta.id)
  
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