All names: Gaia EDR3 142086971376178688, 2MASS J03021157+3711093, Gaia DR2 142086971376178688, FBS 0259+370, GALEX J030211.5+371110, Gaia DR3 142086971376178688, SDSSJ030211.57+371109.5, UCAC2 44785716, FBS B 31, LAMOST J030211.56+371109.4, TIC 186627813, SDSS J030211.56+371109.5, UCAC4 636-011162
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 03 02 11.56 (0.04) | 03 02 11.57 | 03 02 11.57 (0.04) | ||
| Declination | 37 11 09.49 (0.03) | 37 11 09.50 | 37 11 09.59 (0.03) | ||
| Spectral type | sdO | sdO7He0 | |||
| Effective temperature | [K] | 39468.0 (2000) | |||
| log(g) | [cgs] | 6.08 (0.2) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.73 (0.05) | 0.61 (0.09) | 0.73 (0.05) | |
| Distance | [pc] | 1363.51 (88) | 1643.12 (241) | 1363.51 (88) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -7.115 (0.05) | -7.249 (0.1) | -7.115 (0.05) | |
| Proper motion (declination) | [mas/yr] | -6.25 (0.04) | -6.585 (0.1) | -6.25 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.40 (0.02) | ||||
| V magnitude | 15.60 (0.06) | ||||
| R magnitude | 15.81 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 15.98 (0.08) | 15.98 (0.08) | |||
| H magnitude | 16.04 (0.2) | 16.04 (0.2) | |||
| K magnitude | 16.18 | ||||
| u magnitude | 15.01 (0.004) | 15.01 (0.004) | |||
| g magnitude | 15.26 (0.004) | 15.26 (0.004) | |||
| r magnitude | 15.70 (0.004) | 15.70 (0.004) | |||
| i magnitude | 16.00 (0.005) | 16.00 (0.005) | |||
| z magnitude | 16.30 (0.008) | 16.30 (0.008) | |||
| G magnitude | 15.49 (0.003) | 15.50 (0.0008) | 15.49 (0.003) | ||
| BP magnitude | 15.37 (0.003) | 15.31 (0.01) | |||
| RP magnitude | 15.72 (0.005) | 15.71 (0.004) | |||
| Pan g magnitude | 15.34 (0.002) | ||||
| Pan r magnitude | 15.72 (0.001) | ||||
| Pan i magnitude | 16.04 (0.003) | ||||
| Pan z magnitude | 16.29 (0.004) | ||||
| Pan y magnitude | 16.48 (0.008) | ||||
| E(B-V) | 0.105 | ||||
* 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.