All names: FBS B 678, PG 0947+639, SDSS J095138.05+634536.8, GALEX J095137.8+634535, FBS 0947+639, Gaia DR3 1063845021055181440, 2MASS J09513807+6345368, Gaia DR2 1063845021055181440, PG0947+639, TIC 86430323
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 51 38.02 | 09 51 38.06 (0.02) | ||
| Declination | 63 45 37.19 | 63 45 36.89 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 30500.0 (1000) | ||
| log(g) | [cgs] | 5.60 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.92 (0.05) | 0.89 (0.03) | |
| Distance | [pc] | 1084.01 (58) | 1128.92 (39) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 6.459 (0.05) | 6.359 (0.02) | |
| Proper motion (declination) | [mas/yr] | -2.835 (0.07) | -2.916 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 15.00 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.20 (0.05) | 15.20 (0.05) | ||
| H magnitude | 15.35 (0.1) | 15.35 (0.1) | ||
| K magnitude | 15.47 | |||
| u magnitude | 14.29 (0.003) | 14.27 (0.003) | ||
| g magnitude | 14.40 (0.003) | 14.41 (0.003) | ||
| r magnitude | 14.82 (0.003) | 14.82 (0.003) | ||
| i magnitude | 15.14 (0.003) | 15.15 (0.003) | ||
| z magnitude | 15.43 (0.005) | 15.44 (0.005) | ||
| G magnitude | 14.64 (0.0004) | 14.62 (0.003) | ||
| BP magnitude | 14.46 (0.006) | |||
| RP magnitude | 14.83 (0.002) | |||
| Pan g magnitude | 14.48 (0.005) | |||
| Pan r magnitude | 14.85 (0.003) | |||
| Pan i magnitude | 15.17 (0.002) | |||
| Pan z magnitude | 15.42 (0.005) | |||
| Pan y magnitude | 15.59 (0.007) | |||
| 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.