All names: Gaia DR2 242734753958329728, KPD0319+4553, UCAC4 681-020385, WISE J032238.96+460433.7, TIC 385101441, GALEX J032239.0+460432, Gaia DR3 242734753958329728, LAMOST J032238.96+460433.7, KPD 0319+4553, UCAC2 47387875, WISEA J032238.96+460433.6, 2MASS J03223896+4604337
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 22 38.95 | 03 22 38.97 (0.02) | ||
| Declination | 46 04 34.12 | 46 04 33.75 (0.01) | ||
| Spectral type | He-sdOB | sdO | ||
| Effective temperature | [K] | 41490.0 (50) | ||
| log(g) | [cgs] | 5.76 (0.06) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.06 (0.03) | 1.03 (0.02) | |
| Distance | [pc] | 941.97 (26) | 971.72 (19) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.291 (0.05) | 4.263 (0.02) | |
| Proper motion (declination) | [mas/yr] | -5.41 (0.05) | -5.484 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.86 (0.01) | |||
| V magnitude | 13.65 (0.01) | |||
| R magnitude | 13.79 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.65 (0.03) | 13.65 (0.03) | ||
| H magnitude | 13.61 (0.04) | 13.61 (0.04) | ||
| K magnitude | 13.64 (0.05) | 13.64 (0.05) | ||
| u magnitude | ||||
| g magnitude | 13.71 (0.04) | |||
| r magnitude | 13.64 (0.08) | |||
| i magnitude | 13.80 (0.09) | |||
| z magnitude | ||||
| G magnitude | 13.66 (0.0004) | 13.64 (0.003) | ||
| BP magnitude | 13.66 (0.004) | |||
| RP magnitude | 13.55 (0.001) | |||
| Pan g magnitude | 13.72 (0.001) | |||
| Pan r magnitude | 13.76 (0.001) | |||
| Pan i magnitude | 13.95 (0.02) | |||
| Pan z magnitude | 14.05 (0.005) | |||
| Pan y magnitude | 14.14 (0.003) | |||
| E(B-V) | 0.263 | |||
* 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.