VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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V/153/dr4 LAMOST DR4 catalogs (Luo+, 2018)
ReadMe+ftp

LAMOST DR4 catalog (09/08/2018 version)
spectrum/fits
(7620612 rows) 		  recno=1981097
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ColumnValue  Explain   (UCD)
_RAJ200014 47 29.919360000 "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+11 58 38.87040000 "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)
_RAB195014 45 05.628956625 "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+12 11 08.40309278 "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)
_Glon009.526872945892 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+58.867264091705 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)
1981097recno 1981097  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
spplot  Show the spectrum (meta.ref.url)
ObsID117405194   [101001/462816250] Observation ID (meta.id)
TargetJ144729.91+115838.8  (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
Obs.Date2013-02-01 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56325   [55859/57542] Local Modified Julian Day (time.epoch)
MJD56324   [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD145035N124702B01  Plan Name (obs.field)
spId05   [1/16] Spectrograph ID (meta.id;instr)
FiberId194   [1/250] Fiber ID (meta.id)
RAJ2000221.8746640000 deg (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+11.9774640000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 9.38   Signal Noise Ratio of u filter (stat.snr)
snrg 55.30   Signal Noise Ratio of g filter (stat.snr)
snrr 48.67   Signal Noise Ratio of r filter (stat.snr)
snri 33.28   Signal Noise Ratio of i filter (stat.snr)
snrz 24.22   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Spectra Type (src.class)
SubClassA5V  Stellar Sub-Class (src.class)
z 0.0002269904   Redshift (src.redshift)
e_z 0.0000317887   []? rms uncertainty on z (stat.error;src.redshift)
magTypegribvjh  Target Magnitude Type (meta.note)
mag113.69   Magnitude in Band 1 of magType (phot.mag)
mag213.57   Magnitude in Band 2 of magType (phot.mag)
mag314.11   Magnitude in Band 3 of magType (phot.mag)
mag413.85   Magnitude in Band 4 of magType (phot.mag)
mag513.59   Magnitude in Band 5 of magType (phot.mag)
mag612.90   Magnitude in Band 6 of magType (phot.mag)
mag712.85   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)
tfromUCAC4  Input catalog submitted by an organization or a person determined by the tsource (obs.observer)
tInfo117555514  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)
RA1deg221.8746640000  Rigth ascension from input catalog (J2000) (pos.eq.ra)
DE1deg11.9774640000  Declination from input catalog (J2000) (pos.eq.dec)
AssocDataObsCore view  Associated Data web page (meta.ref.url)
FileNamespec-56325-HD145035N124702B01_sp05-194.fits  FITS files name (meta.id)
  
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