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=7566089
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ColumnValue  Explain   (UCD)
_RAJ200018 30 18.892560000 "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+39 28 18.08400000 "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)
_RAB195018 28 39.618946324 "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+39 26 09.47732938 "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)
_Glon067.688287213224 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+20.676912919438 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)
7566089recno 7566089  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)

ObsID459701168   [101001/462816250] Observation ID (meta.id)
TargetJ183018.89+392818.0  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2016-05-18 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD57527   [55859/57542] Local Modified Julian Day (time.epoch)
MJD57526   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD183032N405832V01  Plan Name (obs.field)
spId01   [1/16] Spectrograph ID (meta.id;instr)
FiberId168   [1/250] Fiber ID (meta.id)
RAJ2000277.5787190000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+39.4716900000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 30.29   Signal Noise Ratio of u filter (stat.snr)
snrg103.55   Signal Noise Ratio of g filter (stat.snr)
snrr160.41   Signal Noise Ratio of r filter (stat.snr)
snri186.10   Signal Noise Ratio of i filter (stat.snr)
snrz145.11   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassF6  Stellar Sub-Class (src.class)
z 0.0000346907   Redshift (src.redshift)
e_z 0.0000177123   []? rms uncertainty on z (stat.error;src.redshift)
magTypegri  Target Magnitude Type (meta.note)
mag112.52   Magnitude in Band 1 of magType (phot.mag)
mag212.26   Magnitude in Band 2 of magType (phot.mag)
mag312.10   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)
tfromLCH000003  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo14228971680020392  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)
RA1deg277.5787190000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg39.4716900000  Declination from input catalog (J2000) (pos.eq.dec)

AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-57527-HD183032N405832V01_sp01-168.fits  FITS files name (meta.id)
  
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