All names: FBS B 270, BPS BS 16935-0061, TIC 23992299, Gaia DR2 820305428886530560, 2MASS J09521906+4419418, GALEX J095219.1+441939, US 1051, FBS0949+445, FBS 0949+445, Gaia DR3 820305428886530560
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 52 19.20 | 09 52 19.06 (0.02) | ||
| Declination | 44 19 41.80 | 44 19 41.72 (0.02) | ||
| Spectral type | sd | 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] | 0.13 (0.05) | 0.11 (0.03) | |
| Distance | [pc] | 7812.50 (3186) | 8726.00 (2421) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.149 (0.07) | -4.034 (0.03) | |
| Proper motion (declination) | [mas/yr] | -3.525 (0.07) | -3.325 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.82 | |||
| V magnitude | 13.21 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.12 (0.02) | 13.12 (0.02) | ||
| H magnitude | 13.18 (0.03) | 13.18 (0.03) | ||
| K magnitude | 13.24 (0.04) | 13.24 (0.04) | ||
| u magnitude | 14.69 (0.006) | |||
| g magnitude | 15.19 (0.01) | |||
| r magnitude | 13.08 (0.001) | |||
| i magnitude | 13.77 (0.004) | |||
| z magnitude | 14.13 (0.007) | |||
| G magnitude | 12.75 (0.0006) | 12.73 (0.003) | ||
| BP magnitude | 12.63 (0.005) | |||
| RP magnitude | 12.88 (0.002) | |||
| Pan g magnitude | 12.78 | |||
| Pan r magnitude | 13.08 | |||
| Pan i magnitude | 13.31 | |||
| Pan z magnitude | 13.46 (0.01) | |||
| Pan y magnitude | 13.55 (0.006) | |||
| E(B-V) | 0.020 | |||
* 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.