All names: Gaia DR3 125093503772825856, LAMOST J031756.92+322950.4, GALEX J031756.9+322950, 2MASS J03175691+3229504, TIC 101405030, UCAC4 613-009889, Gaia DR2 125093503772825856, LAMOSTJ031756.92+322950.4
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 17 56.92 | 03 17 56.92 (0.04) | ||
| Declination | 32 29 50.43 | 32 29 50.51 (0.03) | ||
| Spectral type | sdOB | sdBHe13 | ||
| Effective temperature | [K] | 35771.0 (215) | ||
| log(g) | [cgs] | 6.05 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.90 (0.09) | 0.88 (0.05) | |
| Distance | [pc] | 1113.34 (106) | 1130.97 (58) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.652 (0.1) | 1.747 (0.05) | |
| Proper motion (declination) | [mas/yr] | -6.07 (0.09) | -6.092 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.84 (0.06) | |||
| V magnitude | 15.88 (0.2) | |||
| R magnitude | 15.45 (0.4) | |||
| I magnitude | ||||
| J magnitude | 15.72 (0.06) | 15.72 (0.06) | ||
| H magnitude | 15.70 (0.1) | 15.70 (0.1) | ||
| K magnitude | 15.41 (0.2) | 15.41 (0.2) | ||
| u magnitude | ||||
| g magnitude | 15.72 (0.01) | |||
| r magnitude | 15.91 (0.01) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.72 (0.0008) | 15.71 (0.003) | ||
| BP magnitude | 15.67 (0.006) | |||
| RP magnitude | 15.68 (0.004) | |||
| Pan g magnitude | 15.67 (0.003) | |||
| Pan r magnitude | 15.82 (0.002) | |||
| Pan i magnitude | 16.01 (0.003) | |||
| Pan z magnitude | 16.17 (0.004) | |||
| Pan y magnitude | 16.29 (0.009) | |||
| E(B-V) | 0.185 | |||
* 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.