| V/153/dr4 | LAMOST DR4 catalogs (Luo+, 2018) LAMOST DR4 catalog (09/08/2018 version) spectrum/fits (7620612 rows) | recno=4141065 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 17 49 33.642768000 | "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 | +48 28 09.12720000 | "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) |
| _RAB1950 | 17 48 15.196593978 | "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 | +48 28 57.52938187 | "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) |
| _Glon | 075.435246074576 | 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 | +29.916484795618 | 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) |
| 4141065recno | 4141065 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
| sp | plot | Show the spectrum (meta.ref.url) | |
| ObsID | 235514237 | [101001/462816250] Observation ID (meta.id) | |
| Target | J174933.64+482809.1 | (i) Target Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main) | |
| Obs.Date | 2014-04-20 | "Y:M:D" | Target Observation Date (time.epoch;obs) |
| LMJD | 56768 | [55859/57542] Local Modified Julian Day (time.epoch) | |
| MJD | 56767 | [55858/57541] Modified Julian Day (time.epoch) | |
| PlanId | HD180157N475305V | Plan Name (obs.field) | |
| spId | 14 | [1/16] Spectrograph ID (meta.id;instr) | |
| FiberId | 237 | [1/250] Fiber ID (meta.id) | |
| RAJ2000 | 267.3901782000 | deg | (i) Fiber pointing right ascension (J2000) (pos.eq.ra;meta.main) |
| DEJ2000 | +48.4692020000 | deg | (i) Fiber pointing declination (J2000) (pos.eq.dec;meta.main) |
| snru | 17.07 | Signal Noise Ratio of u filter (stat.snr) | |
| snrg | 111.90 | Signal Noise Ratio of g filter (stat.snr) | |
| snrr | 232.81 | Signal Noise Ratio of r filter (stat.snr) | |
| snri | 284.43 | Signal Noise Ratio of i filter (stat.snr) | |
| snrz | 232.76 | Signal Noise Ratio of z filter (stat.snr) | |
| objType | Star | Object Type (src.class) | |
| Class | STAR | Spectra Type (src.class) | |
| SubClass | G0 | Stellar Sub-Class (src.class) | |
| z | 0.0000007672 | Redshift (src.redshift) | |
| e_z | 0.0000186129 | []? rms uncertainty on z (stat.error;src.redshift) | |
| magType | gri | Target Magnitude Type (meta.note) | |
| mag1 | 10.58 | Magnitude in Band 1 of magType (phot.mag) | |
| mag2 | 10.03 | Magnitude in Band 2 of magType (phot.mag) | |
| mag3 | 9.96 | 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) | ||
| tsource | LEGUE_LCH | Organization or person who submits input catalog (meta.curation) | |
| FiberType | Obj | Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (meta.note) | |
| tfrom | UCAC4 | Input catalog submitted by an organization or a person determined by the tsource (obs.observer) | |
| tInfo | <offset,10.03, 267.389108000, 48.469202000, 2.55>162190621 | Target ID from SDSS, UCAC4, PANSTAR and other catalogue (meta.bib) | |
| n_offset | 1 | [0/1] Whether there is a fiber offset during observation (meta.note) | |
| offset | 2.550 | 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 | 267.3891080000 | Rigth ascension from input catalog (J2000) (pos.eq.ra) | |
| DE1deg | 48.4692020000 | Declination from input catalog (J2000) (pos.eq.dec) | |
| AssocData | ObsCore view | Associated Data web page (meta.ref.url) | |
| FileName |  spec-56768-HD180157N475305V_sp14-237.fits | FITS files name (meta.id) | |
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