All names: PG0957+037, LAMOST J095952.08+033032.6, PG 0957+037, SDSS J095952.01+033032.7, LAMOST J095952.00+033032.9, WISEA J095952.00+033032.7, Gaia DR3 3848520258923494656, 2MASS J09595202+0330327, TIC 275358553, Gaia DR2 3848520258923494656, WISE J095952.01+033032.6, ULAS J095952.01+033032.8, GALEX J095952.1+033033
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 59 52.03 | 09 59 52.01 (0.06) | ||
| Declination | 03 30 32.88 | 03 30 32.80 (0.05) | ||
| Spectral type | sdOB | sdB | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.27 (0.09) | 0.44 (0.06) | |
| Distance | [pc] | 3736.92 (1299) | 2265.52 (331) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -8.978 (0.1) | -8.191 (0.07) | |
| Proper motion (declination) | [mas/yr] | -0.686 (0.1) | -0.496 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 15.45 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.84 (0.08) | 15.88 (0.008) | ||
| H magnitude | 15.77 (0.1) | 15.81 (0.01) | ||
| K magnitude | 15.45 (0.2) | 15.83 (0.02) | ||
| u magnitude | 14.88 (0.004) | 14.88 (0.01) | ||
| g magnitude | 15.14 (0.003) | 15.16 (0.02) | ||
| r magnitude | 15.64 (0.003) | 15.68 (0.02) | ||
| i magnitude | 15.96 (0.004) | 15.97 (0.01) | ||
| z magnitude | 16.23 (0.007) | 16.23 (0.02) | ||
| G magnitude | 15.41 (0.002) | 15.40 (0.003) | ||
| BP magnitude | 15.20 (0.009) | |||
| RP magnitude | 15.64 (0.007) | |||
| Pan g magnitude | 15.26 (0.003) | |||
| Pan r magnitude | 15.66 (0.0008) | |||
| Pan i magnitude | 15.98 (0.004) | |||
| Pan z magnitude | 16.23 (0.003) | |||
| Pan y magnitude | 16.38 (0.006) | |||
| E(B-V) | 0.027 | |||
* 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.