All names: Gaia DR3 101206407500333184, GALEX J021555.6+234315, 2MASS J02155549+2343142, HS 0213+2329, HS0213+2329, Gaia DR2 101206407500333184, TIC 246934396
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 15 55.51 | 02 15 55.50 (0.04) | ||
| Declination | 23 43 14.40 | 23 43 14.21 (0.03) | ||
| Spectral type | sdOB | sdOB | ||
| Effective temperature | [K] | 32400.0 (900) | ||
| log(g) | [cgs] | 5.50 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.18 (0.1) | 1.07 (0.04) | |
| Distance | [pc] | 850.85 (81) | 935.72 (39) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.603 (0.1) | -0.983 (0.04) | |
| Proper motion (declination) | [mas/yr] | -4.772 (0.1) | -4.562 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.35 (0.03) | 14.35 (0.03) | ||
| H magnitude | 14.52 (0.06) | 14.52 (0.06) | ||
| K magnitude | 14.62 (0.09) | 14.62 (0.09) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.89 (0.0009) | 13.88 (0.003) | ||
| BP magnitude | 13.73 (0.005) | |||
| RP magnitude | 14.08 (0.002) | |||
| Pan g magnitude | 13.78 (0.009) | |||
| Pan r magnitude | 14.11 (0.006) | |||
| Pan i magnitude | 14.43 (0.005) | |||
| Pan z magnitude | 14.66 (0.004) | |||
| Pan y magnitude | 14.83 (0.005) | |||
| E(B-V) | 0.094 | |||
* 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.