VizieR

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

VizieR

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V/156/dr7lrs LAMOST DR7 catalogs (Luo+, 2019)
LAMOST LRS General Catalog (10640255 rows)
  recno=8887941
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ColumnValue  Explain   (UCD)
_RAJ200009 49 54.477600000 "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+51 48 00.98280000 "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)
_RAB195009 46 34.381386586 "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+52 02 01.72242450 "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)
_Glon164.215212006081 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+48.150940425294 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)
8887941recno 8887941  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ObsID617607092  Unique Spectra ID (obsid) (meta.id)
TargetJ094954.47+514800.9  (i) Target Designation, JHHMMSS.ss+DDMMSS.s (designation) (meta.id;meta.main)
Obs.Date2017-12-17  (i) Target Observation Date (obsdate) (time.epoch;obs)
LMJD58105  Local Modified Julian Day (lmjd) (time.epoch)
MJD58104  Modified Julian Day (mjd) (time.epoch)
PlanIdHD093959N532949M02  Plan Name (planid) (obs.field)
spId 7  Spectrograph ID (spid) (meta.id;instr)
FiberId 92  Fiber ID (fiberid) (meta.id)
RAJ2000147.4769900000 deg (i) Fiber Pointing Right Ascension (J2000) (ra_obs) (pos.eq.ra;meta.main)
DEJ2000+51.8002730000 deg (i) Fiber Pointing Declination (J2000) (dec_obs) (pos.eq.dec;meta.main)
snru 1.29   S/N of u filter (snru) (stat.snr)
snrg 4.86   S/N of g filter (snrg) (stat.snr)
snrr 4.56   S/N of r filter (snrr) (stat.snr)
snri 5.59   S/N of i filter (snri) (stat.snr)
snrz 3.01   S/N of z filter (snrz) (stat.snr)
objTypeStar  Object Type (objtype) (src.class)
ClassQSO  Spectra Type (class) (src.class)
subClassNon  Stellar Sub-Class (subclass) (src.class)
z 1.6543880000   Redshift (z) (src.redshift)
e_z 0.0214070000   []? Redshift Uncertainty (z_err) (stat.error;src.redshift)
magTypeV  Target Magnitude Type (magtype) (meta.note)
mag119.72 mag Magnitude in Band 1 of magType (mag1) (phot.mag)
mag2  mag Magnitude in Band 2 of magType (mag2) (phot.mag)
mag3  mag Magnitude in Band 3 of magType (mag3) (phot.mag)
mag4  mag Magnitude in Band 4 of magType (mag4) (phot.mag)
mag5  mag Magnitude in Band 5 of magType (mag5) (phot.mag)
mag6  mag Magnitude in Band 6 of magType (mag6) (phot.mag)
mag7  mag Magnitude in Band 7 of magType (mag7) (phot.mag)
tsourceLEGAS_ZYX  Organization or person who submit input catalog (tsource) (meta.curation)
FiberTypeObj  Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (fibertype) (meta.note)
tfromDR9_dd  Input catalog submitted by an organization or a person determined by the tsource (tfrom) (obs.observer)
tcomment1237657634337718376  Target ID from SDSS, UCAC4, PANSTAR and other catalogues (tcomment) (meta.note)
offsets0  Whether there is a fiber offset during observation (offsets) (meta.note)
offsetsv 0.000 arcsec If the 'offsets' field is true, 'offsetsv' gives the offset distance from the target's coordinator in input catalog (offsets_v) (meta.note)
RAOdeg147.4769900000 deg Right Ascension from input catalog (ra) (pos.eq.ra)
DEOdeg51.8002730000 deg Declination from input catalog (dec) (pos.eq.dec)
FiberMask 0  Possible fiber problems (fibermask) (meta.note)
GaiaDR2 827976064382125056   The "source_id" field of Gaia DR2 catalog (gaiasourceid) (meta.id)
Gmag 19.08369800 mag The "photgmean_mag" field of Gaia DR2 catalog (gaiagmean_mag) (phot.mag;em.opt)
  
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