All names: LAMOSTJ031311.81+282735.8, TIC 35014398, UCAC4 593-008230, 2MASS J03131181+2827359, Gaia DR2 121811255405332352, LAMOST J031311.81+282735.8, Gaia DR3 121811255405332352
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 13 11.82 | 03 13 11.81 (0.03) | ||
| Declination | 28 27 35.82 | 28 27 35.92 (0.03) | ||
| Spectral type | sdOB | sdB/sdO | ||
| Effective temperature | [K] | 41417.0 (678) | ||
| log(g) | [cgs] | 5.69 (0.07) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.01 (0.05) | 1.03 (0.03) | |
| Distance | [pc] | 988.24 (47) | 969.37 (30) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.66 (0.09) | 7.574 (0.04) | |
| Proper motion (declination) | [mas/yr] | -5.338 (0.08) | -5.365 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.06 (0.07) | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.22 (0.04) | 15.22 (0.04) | ||
| H magnitude | 15.16 (0.08) | 15.16 (0.08) | ||
| K magnitude | 15.06 (0.1) | 15.06 (0.1) | ||
| u magnitude | ||||
| g magnitude | 14.98 (0.01) | |||
| r magnitude | 15.18 (0.08) | |||
| i magnitude | 15.32 (0.1) | |||
| z magnitude | ||||
| G magnitude | 15.03 (0.0007) | 15.01 (0.003) | ||
| BP magnitude | 14.94 (0.007) | |||
| RP magnitude | 15.04 (0.003) | |||
| Pan g magnitude | 14.98 (0.004) | |||
| Pan r magnitude | 15.17 (0.001) | |||
| Pan i magnitude | 15.38 (0.001) | |||
| Pan z magnitude | 15.56 (0.003) | |||
| Pan y magnitude | 15.68 (0.003) | |||
| E(B-V) | 0.195 | |||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.