All names: FBS 0117+396, Gaia DR2 371711041304831616, TIC 186484490, FBS0117+396, LAMOST J012022.94+395059.4, 2MASS J01202295+3950593, UCAC4 650-005146, SDSS J012022.94+395059.4, ATO J020.0955+39.8498, Gaia DR3 371711041304831616, FBS B 12, GALEX J012022.9+395058
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 20 22.95 | 01 20 22.94 (0.04) | ||
| Declination | 39 51 01.50 | 39 50 59.43 (0.03) | ||
| Spectral type | sdB+dM | sdB+dM | ||
| Effective temperature | [K] | 28500.0 (100) | ||
| log(g) | [cgs] | 5.42 (0.01) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.60 (0.07) | 0.57 (0.05) | |
| Distance | [pc] | 1656.45 (194) | 1756.85 (143) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.585 (0.1) | 1.419 (0.04) | |
| Proper motion (declination) | [mas/yr] | -1.405 (0.1) | -1.515 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.15 (0.02) | |||
| V magnitude | 15.34 (0.07) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.02 (0.08) | 16.02 (0.08) | ||
| H magnitude | 15.93 (0.2) | 15.93 (0.2) | ||
| K magnitude | 16.04 | |||
| u magnitude | 15.02 (0.004) | 15.02 (0.004) | ||
| g magnitude | 15.15 (0.003) | 15.15 (0.003) | ||
| r magnitude | 15.63 (0.004) | 15.63 (0.004) | ||
| i magnitude | 15.97 (0.004) | 15.97 (0.004) | ||
| z magnitude | 16.25 (0.007) | 16.25 (0.007) | ||
| G magnitude | 15.41 (0.002) | 15.39 (0.003) | ||
| BP magnitude | 15.22 (0.01) | |||
| RP magnitude | 15.63 (0.008) | |||
| Pan g magnitude | 15.24 (0.007) | |||
| Pan r magnitude | 15.65 (0.002) | |||
| Pan i magnitude | 15.98 (0.002) | |||
| Pan z magnitude | 16.19 (0.007) | |||
| Pan y magnitude | 16.36 (0.01) | |||
| E(B-V) | 0.043 | |||
* 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.