All names: FBS0250+394, TIC 67711936, FBS 0250+394, Gaia DR2 143510907654193024, Gaia DR3 143510907654193024, GALEX J025323.5+393703, 2MASS J02532347+3937042, FBS B 28
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 53 23.31 | 02 53 23.48 (0.04) | ||
| Declination | 39 37 07.70 | 39 37 04.20 (0.04) | ||
| Spectral type | sd | sdBO | ||
| 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] | 0.66 (0.09) | 0.56 (0.05) | |
| Distance | [pc] | 1522.30 (197) | 1795.33 (149) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 6.18 (0.1) | 6.089 (0.05) | |
| Proper motion (declination) | [mas/yr] | -15.048 (0.1) | -15.396 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.65 (0.07) | 15.65 (0.07) | ||
| H magnitude | 15.26 (0.09) | 15.26 (0.09) | ||
| K magnitude | 15.11 (0.1) | 15.11 (0.1) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.00 (0.002) | 15.98 (0.003) | ||
| BP magnitude | 15.94 (0.008) | |||
| RP magnitude | 15.94 (0.004) | |||
| Pan g magnitude | 15.97 (0.007) | |||
| Pan r magnitude | 16.15 (0.002) | |||
| Pan i magnitude | 16.29 (0.004) | |||
| Pan z magnitude | 16.38 (0.005) | |||
| Pan y magnitude | 16.41 (0.01) | |||
| E(B-V) | 0.072 | |||
* 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.