VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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V/153/astars4 LAMOST DR4 catalogs (Luo+, 2018)
A type stars catalog (364369 rows)
  recno=120117
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200017 20 14.151840000 "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+35 29 19.11840000 "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)
_RAB195017 18 27.283515730 "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+35 32 15.84418179 "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)
_Glon059.343710019253 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+33.061495894755 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)
120117recno 120117  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ObsID141505220   [101006/462816238] Observation ID (meta.id)
TargetJ172014.15+352919.1  Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
ObsDate2013-04-06 "Y:M:D" Target Observation Date (time.epoch;obs)
LMJD56389 d [55859/57542] Local Modified Julian Day (time.epoch)
MJD56388 d [55858/57541] Modified Julian Day (time.epoch)
PlanIdHD172411N365522B01  Plan Name (obs.field)
spId 5   [1/16] Spectrograph ID (meta.id;instr)
FiberId220   [1/250] Fiber ID (meta.id)
RAJ2000260.0589660000 deg (i) Fiber pointing right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+35.4886440000 deg (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main)
snru 5.84   Signal Noise Ratio of u filter (stat.snr)
snrg 56.18   Signal Noise Ratio of g filter (stat.snr)
snrr 77.30   Signal Noise Ratio of r filter (stat.snr)
snri 91.58   Signal Noise Ratio of i filter (stat.snr)
snrz 68.03   Signal Noise Ratio of z filter (stat.snr)
objTypeStar  Object Type (src.class)
ClassSTAR  Stellar Class (src.class)
SubClassA7IV  Stellar Sub-Class (src.class)
z -0.0003148845   Redshift (src.redshift)
e_z 0.0000515023   []? rms uncertainty on z (stat.error;src.redshift)
magTypegribvjh  Target Magnitude Type (meta.note)
mag112.88 mag Magnitude in band 1 of magType (phot.mag)
mag212.71 mag Magnitude in band 2 of magType (phot.mag)
mag312.64 mag Magnitude in band 3 of magType (phot.mag)
mag413.11 mag Magnitude in band 4 of magType (phot.mag)
mag512.78 mag Magnitude in band 5 of magType (phot.mag)
mag612.04 mag Magnitude in band 6 of magType (phot.mag)
mag711.83 mag 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)
tInfo148063862  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 If offset is true, it gives the offset distance from the target's coordinator in input catalog (pos.angDistance;arith.diff)
RA1deg260.0589660000  Right ascension from input catalog (J2000) (pos.eq.ra)
DE1deg35.4886440000  Declination from input catalog (J2000) (pos.eq.dec)
KP12 3.62 0.1nm Ca II K line index with band widths of 12Å (spect.index)
KP18 3.91 0.1nm Ca II K line index with band widths of 18Å (spect.index)
KP6 2.47 0.1nm Ca II K line index with band widths of 6Å (spect.index)
Hdelta12 3.74 0.1nm Hdelta Line Index with band widths of 12Å (spect.index)
Hdelta24 5.52 0.1nm Hdelta Line Index with band widths of 24Å (spect.index)
Hdelta48 6.69 0.1nm Hdelta Line Index with band widths of 48Å (spect.index)
Hdelta62 7.74 0.1nm Hdelta Line Index with band widths of 62Å (spect.index)
Hgamma12 4.74 0.1nm Hgamma Line Index with band widths of 12Å (spect.index;em.line.Hgamma)
Hgamma24 7.05 0.1nm Hgamma Line Index with band widths of 24Å (spect.index;em.line.Hgamma)
Hgamma48 8.40 0.1nm Hgamma Line Index with band widths of 48Å (spect.index;em.line.Hgamma)
Hgamma54 8.73 0.1nm Hgamma Line Index with band widths of 54Å (spect.index;em.line.Hgamma)
Hbeta12 3.74 0.1nm Hbeta Line Index with band widths of 12Å (spect.index;em.line.Hbeta)
Hbeta24 5.58 0.1nm Hbeta Line Index with band widths of 24Å (spect.index;em.line.Hbeta)
Hbeta48 7.49 0.1nm Hbeta Line Index with band widths of 48Å (spect.index;em.line.Hbeta)
Hbeta60 8.03 0.1nm Hbeta Line Index with band widths of 60Å (spect.index;em.line.Hbeta)
Halpha12 2.95 0.1nm Halpha Line Index with band widths of 12Å (spect.index;em.line.Halpha)
Halpha24 4.44 0.1nm Halpha Line Index with band widths of 24Å (spect.index;em.line.Halpha)
Halpha48 5.75 0.1nm Halpha Line Index with band widths of 48Å (spect.index;em.line.Halpha)
Halpha70 6.26 0.1nm Halpha Line Index with band widths of 70Å (spect.index;em.line.Halpha)
Pa13 0.15 0.1nm Paschen line index from local continuum at 8467.5 with band widths of 13.0Å (spect.index)
Pa142 0.75 0.1nm Paschen line index from local continuum at 8598.0 with band widths of 42.0Å (spect.index)
Pa242 1.57 0.1nm Paschen line index from local continuum at 8751.0 with band widths of 42.0Å (spect.index)
HaD0.2 20.00 0.1nm Width at 20% below the local continuum of Halpha line (spect.line.width)
HbD0.2 18.85 0.1nm Width at 20% below the local continuum of beta line (spect.line.width)
HgD0.2 19.58 0.1nm Width at 20% below the local continuum of Hgamma line (spect.line.width)
HdD0.2 14.77 0.1nm Width at 20% below the local continuum of Hdelta line (spect.line.width)
  
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