All names: GALEX J010254.9+093410, Gaia DR3 2581356846195889408, SDSS J010254.95+093409.9, PB6244, LAMOST J010254.95+093409.9, PB 6244, Gaia EDR3 2581356846195889408, Gaia DR2 2581356846195889408
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 01 02 54.96 (0.09) | 01 02 54.95 | 01 02 54.95 (0.09) | ||
| Declination | 09 34 09.99 (0.07) | 09 34 09.95 | 09 34 09.97 (0.07) | ||
| Spectral type | He-sdOB | sdB/sdO | |||
| Effective temperature | [K] | 37324.0 (528) | |||
| log(g) | [cgs] | 5.87 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.26 (0.1) | 0.19 (0.2) | 0.26 (0.1) | |
| Distance | [pc] | 3901.68 (1652) | 5296.61 (4649) | 3901.68 (1652) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 11.233 (0.1) | 11.089 (0.3) | 11.233 (0.1) | |
| Proper motion (declination) | [mas/yr] | 1.404 (0.1) | 1.143 (0.2) | 1.404 (0.1) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 17.18 (0.01) | 17.18 (0.01) | |||
| g magnitude | 17.46 (0.005) | 17.46 (0.005) | |||
| r magnitude | 17.93 (0.007) | 17.93 (0.007) | |||
| i magnitude | 18.28 (0.01) | 18.28 (0.01) | |||
| z magnitude | 18.57 (0.04) | 18.57 (0.04) | |||
| G magnitude | 17.70 (0.003) | 17.73 (0.003) | 17.70 (0.003) | ||
| BP magnitude | 17.57 (0.009) | 17.51 (0.02) | |||
| RP magnitude | 17.96 (0.02) | 17.98 (0.01) | |||
| Pan g magnitude | 17.52 (0.002) | ||||
| Pan r magnitude | 17.95 (0.003) | ||||
| Pan i magnitude | 18.29 (0.005) | ||||
| Pan z magnitude | 18.58 (0.008) | ||||
| Pan y magnitude | 18.72 (0.03) | ||||
| E(B-V) | 0.036 | ||||
* 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.