All names: FBS B 883, Gaia EDR3 1073281545241274752, GALEX J102358.6+691145, 2MASS J10235866+6911451, HS 1020+6926, Gaia DR3 1073281545241274752, GALEX J102358.5+691145, TIC 103740993, PG 1020+695, PG1020+694, HIDDEN NAME PG 1020+694, FBS 1020+694, Gaia DR2 1073281476521799296, Gaia DR3 1073281476521799296
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 10 24 15.51 (0.1) | 10 23 58.66 | 10 24 15.51 | 10 23 58.64 (0.02) | ||
| Declination | 69 12 17.32 (0.2) | 69 11 45.99 | 69 12 17.32 | 69 11 45.15 (0.02) | ||
| Spectral type | He-sdO | DB | sdOB | |||
| Effective temperature | [K] | 46750.0 (1110) | 11406.0 (483) | |||
| log(g) | [cgs] | 5.63 (0.4) | 7.96 (0.08) | |||
| Mass | [M☉] | 0.558 (0.07) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.67 (0.2) | 0.65 (0.04) | 3.67 | 0.61 (0.03) | |
| Distance | [pc] | 272.76 (13) | 1536.33 (89) | 272.76 | 1635.06 (82) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 10.011 (0.2) | -1.248 (0.06) | -1.358 (0.04) | ||
| Proper motion (declination) | [mas/yr] | -13.98 (0.2) | -19.503 (0.06) | -19.643 (0.03) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | 14.69 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 15.26 (0.05) | 15.26 (0.05) | ||||
| H magnitude | 15.27 (0.1) | 15.27 (0.1) | ||||
| K magnitude | 15.30 | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 19.03 (0.004) | 14.57 (0.0006) | 19.03 | 14.55 (0.003) | ||
| BP magnitude | 19.08 (0.02) | 14.34 (0.009) | ||||
| RP magnitude | 19.07 (0.04) | 14.85 (0.003) | ||||
| Pan g magnitude | 14.40 (0.001) | |||||
| Pan r magnitude | 14.83 (0.002) | |||||
| Pan i magnitude | 15.19 (0.002) | |||||
| Pan z magnitude | 15.48 (0.004) | |||||
| Pan y magnitude | 15.68 (0.005) | |||||
| E(B-V) | 0.025 | |||||
* 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.