All names: 2MASS J10334432+6616124, GALEX J103344.2+661611, Gaia DR2 1059785555405762432, Gaia DR3 1059785555405762432, PG 1030+665, PG1030+665, FBS 1030+665, SDSS J103344.30+661612.5, Gaia EDR3 1059785555405762432, TIC 103802941, FBS B 792
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 10 33 44.31 (0.03) | 10 33 44.34 | 10 33 44.31 (0.03) | ||
| Declination | 66 16 12.47 (0.03) | 66 16 12.65 | 66 16 12.55 (0.03) | ||
| Spectral type | He-sdO | sdOB | |||
| Effective temperature | [K] | 46000.0 | |||
| log(g) | [cgs] | 6.40 | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.43 (0.04) | 0.41 (0.06) | 0.43 (0.04) | |
| Distance | [pc] | 2318.03 (200) | 2428.95 (343) | 2318.03 (200) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.264 (0.04) | 0.291 (0.08) | 0.264 (0.04) | |
| Proper motion (declination) | [mas/yr] | -5.372 (0.03) | -5.434 (0.08) | -5.372 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.48 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.08 (0.09) | 16.08 (0.09) | |||
| H magnitude | 16.55 | ||||
| K magnitude | 15.95 (0.3) | 15.95 (0.3) | |||
| u magnitude | 14.77 (0.003) | 14.81 (0.01) | |||
| g magnitude | 15.20 (0.003) | 15.20 (0.03) | |||
| r magnitude | 15.70 (0.003) | 15.72 (0.05) | |||
| i magnitude | 16.06 (0.004) | 16.07 (0.02) | |||
| z magnitude | 16.40 (0.009) | 16.42 (0.02) | |||
| G magnitude | 15.45 (0.003) | 15.47 (0.0009) | 15.45 (0.003) | ||
| BP magnitude | 15.28 (0.004) | 15.23 (0.01) | |||
| RP magnitude | 15.77 (0.005) | 15.77 (0.004) | |||
| Pan g magnitude | 15.29 (0.009) | ||||
| Pan r magnitude | 15.72 (0.003) | ||||
| Pan i magnitude | 16.11 (0.003) | ||||
| Pan z magnitude | 16.40 (0.002) | ||||
| Pan y magnitude | 16.60 (0.01) | ||||
| E(B-V) | 0.023 | ||||
* 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.