Show | Sort | Join tables | Column | Constraint | Explain (UCD) |
| | (ALL) | recno | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
| | (1+2) | GroupID | | Group identifier number (GroupID) (meta.id.parent) (ID_PARENT) |
| | (1+2) | Size | | Number of available spectra (GroupSize) (meta.number) (NUMBER) |
| | (ALL) | ObsID | | Observation ID unique for each spectrum (obsid) (meta.id;obs) (OBS_ID) |
| | (ALL) | Spectrum | (char) | Display the LAMOST spectrum (meta.ref.url) (DATA_LINK) |
| | (1+3+4) | Name | (char) | Object name designation as JHHMMSS.SS±DDMMSS.S (designation) (Note G1)
(meta.id;meta.main) (ID_MAIN) |
| | (ALL) | RAJ2000 | deg | (i) Right ascension (ra_obs) (J2000) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | (ALL) | DEJ2000 | deg | (i) Declination (dec_obs) (J2000) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| | (1+3+4) | Date | "Y:M:D" | (n)Target observation date (obsdate) (time.epoch;obs) (TIME_DATE) |
| | (1+3+4) | LMJD | d | Local modified Julian Day (lmjd) (time.epoch;pos.lg;pos.lsr) (TIME_DATE) |
| | (1+3+4) | PlanID | (char) | Plan ID (planid) (obs.field) (ID_PLATE) |
ALL cols | | | |
| | (1+3+4) | SpID | | Spectrograph ID (spid) (meta.id;instr) (INST_ID) |
| | (1+3+4) | FiberID | | Fiber ID (fiberid) (meta.id) (ID_FIBER) |
| | (ALL) | FileName | (char) | Unique ID for each LAMOST spectrum fits name (fits) (meta.id) (ID_FILE) |
| | (1+2) | SpType | (char) | Classification of spectral types (type) (src.spType) (SPECT_TYPE_MK) |
| | (1+3+4) | S/Nu | | Signal to Noise ratio in u band (snru) (stat.snr) (SPECT_S/N) |
| | (ALL) | S/Ng | | Signal to Noise ratio in g band (snrg) (stat.snr) (SPECT_S/N) |
| | (1+3+4) | S/Nr | | Signal to Noise ratio in r band (snrr) (stat.snr) (SPECT_S/N) |
| | (1+3+4) | S/Ni | | Signal to Noise ratio in i band (snri) (stat.snr) (SPECT_S/N) |
| | (1+3+4) | S/Nz | | Signal to Noise ratio in z band (snrz) (stat.snr) (SPECT_S/N) |
| | (1+3+4) | Type | (char) | Object type by Pipeline (objtype) (src.class) (CLASS_OBJECT) |
| | (1+3+4) | Class | (char) | Spectra type by Pipeline (class) (src.class) (CLASS_OBJECT) |
| | (1+3+4) | SubClass | (char) | Stellar sub-class by Pipeline (subclass) (src.class) (CLASS_OBJECT) |
| | (1+3+4) | z | | (n) Spectroscopic redshift (z) (src.redshift) (REDSHIFT_HC) |
ALL cols | | | |
| | (1+3+4) | e_z | | (n) []? Mean error on z (z_err) (stat.error;src.redshift) (ERROR) |
| | (1+3+4) | MagType1 | (char) | Target Magnitude type 1 available (magtype) (Note G2)
(meta.code;instr.filter) (INST_FILTER_CODE) |
| | (1+3+4) | MagType2 | (char) | Target Magnitude type 2 available (magtype) (Note G2)
(meta.code;instr.filter) (INST_FILTER_CODE) |
| | (1+3+4) | MagType3 | (char) | Target Magnitude type 3 available (magtype) (Note G2)
(meta.code;instr.filter) (INST_FILTER_CODE) |
| | (1+3+4) | MagType4 | (char) | Target Magnitude type 4 available (magtype) (Note G2)
(meta.code;instr.filter) (INST_FILTER_CODE) |
| | (1+3+4) | MagType5 | (char) | Target Magnitude type 5 available (magtype) (Note G2)
(meta.code;instr.filter) (INST_FILTER_CODE) |
| | (1+3+4) | MagType6 | (char) | Target Magnitude type 6 available (magtype) (Note G2)
(meta.code;instr.filter) (INST_FILTER_CODE) |
| | (1+3+4) | MagType7 | (char) | Target Magnitude type 7 available (magtype) (Note G2)
(meta.code;instr.filter) (INST_FILTER_CODE) |
| | (1+3+4) | mag1 | mag | (n) Apparent magnitude in the band 1 (mag1) (phot.mag) (PHOT_MAG_UNDEF) |
| | (1+3+4) | mag2 | mag | (n) Apparent magnitude in the band 2 (mag2) (phot.mag) (PHOT_MAG_UNDEF) |
| | (1+3+4) | mag3 | mag | (n) Apparent magnitude in the band 3 (mag3) (phot.mag) (PHOT_MAG_UNDEF) |
| | (1+3+4) | mag4 | mag | (n) Apparent magnitude in the band 4 (mag4) (phot.mag) (PHOT_MAG_UNDEF) |
| | (1+3+4) | mag5 | mag | (n) Apparent magnitude in the band 5 (mag5) (phot.mag) (PHOT_MAG_UNDEF) |
ALL cols | | | |
| | (1+3+4) | mag6 | mag | (n) Apparent magnitude in the band 6 (mag6) (phot.mag) (PHOT_MAG_UNDEF) |
| | (1+3+4) | mag7 | mag | (n) Apparent magnitude in the band 7 (mag7) (phot.mag) (PHOT_MAG_UNDEF) |
| | (2+4) | Teff | K | (n) Effective temperature (teff) (phys.temperature.effective) (PHYS_TEMP_EFFEC) |
| | (2+4) | e_Teff | K | (n) Mean uncertainty of Teff (e_teff) (stat.error;phys.temperature.effective) (ERROR) |
| | (2+4) | logg | [cm/s2] | (n) Surface gravity (logg) (phys.gravity) (PHYS_GRAVITY_SURFACE) |
| | (2+4) | e_logg | [cm/s2] | (n) Mean uncertainty of logg (e_logg) (stat.error) (ERROR) |
| | (2+4) | M* | Msun | (n) Estimated mass (mass) (phys.mass) (PHYS_MASS_MISC) |
| | (2+4) | e_M* | Msun | (n) Mean uncertainty of M* (e_mass) (stat.error) (ERROR) |
| | (2+4) | tcool | yr | (n) White dwarf cooling age (age) (time.age) (TIME_AGE) |
| | (2+4) | e_tcool | yr | (n) Mean uncertainty of tcool (e_age) (stat.error) (ERROR) |
| | (2) | Plx | mas | (n) Absolute stellar parallax from Gaia DR2 (parallax) (pos.parallax) (POS_PARLX_TRIG) |
| | (2) | e_Plx | mas | (n) Mean uncertainty of Plx from Gaia DR2 (parallax_error) (stat.error;pos.parallax) (ERROR) |
| | (2) | pmRA | mas/yr | (n) Proper motion in right ascension direction pmRA*cosDE from Gaia DR2 (pmra) (pos.pm;pos.eq.ra) (POS_EQ_PMRA) |
ALL cols | | | |
| | (2) | e_pmRA | mas/yr | (n) Mean uncertainty of pmRA (pmra_error) (stat.error;pos.pm;pos.eq.ra) (ERROR) |
| | (2) | pmDE | mas/yr | (n) Proper motion in declination direction pmdec from Gaia DR2 (pmdec) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC) |
| | (2) | e_pmDE | mas/yr | (n) Mean uncertainty of pmDE (pmdec_error) (stat.error;pos.pm;pos.eq.dec) (ERROR) |
| | (2) | Gmag | mag | (n) G-band mean magnitude (Vega) (photgmean_mag) (phot.mag;em.opt) (PHOT_MAG_OPTICAL) |
| | (3+4) | MJD | d | Modified Julian date (mjd) (time.epoch) (TIME_DATE) |
| | (3) | NType | (char) | New updated types (type) (src.class) (CLASS_OBJECT) |
| | (4) | BP-RP | | Colour BPmag-RPmag from Gaia DR2 (photBpMeanMag-photRMeanMag) (bp_rp) (phot.color;em.opt.B;em.opt.R) (PHOT_CI_B-R) |
ALL cols | | | |