All names: GALEX J101242.5+751940, FBS 1008+756, TIC 142781574, PG1008+756, FBS B 982, PG 1008+756, Gaia DR3 1126837931996134656, 2MASS J10124260+7519389, Gaia DR2 1126837931996134656
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 12 42.67 | 10 12 42.58 (0.02) | ||
| Declination | 75 19 39.08 | 75 19 38.88 (0.02) | ||
| Spectral type | sdB | 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] | 0.79 (0.04) | 0.69 (0.03) | |
| Distance | [pc] | 1263.42 (62) | 1439.68 (56) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.234 (0.07) | -3.22 (0.03) | |
| Proper motion (declination) | [mas/yr] | -2.773 (0.07) | -2.842 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.94 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.38 (0.05) | 15.38 (0.05) | ||
| H magnitude | 15.36 (0.1) | 15.36 (0.1) | ||
| K magnitude | 15.82 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.81 (0.0006) | 14.79 (0.003) | ||
| BP magnitude | 14.62 (0.007) | |||
| RP magnitude | 15.03 (0.002) | |||
| Pan g magnitude | 14.65 (0.006) | |||
| Pan r magnitude | 15.03 (0.005) | |||
| Pan i magnitude | 15.36 (0.002) | |||
| Pan z magnitude | 15.63 (0.004) | |||
| Pan y magnitude | 15.80 (0.005) | |||
| 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.