All names: Gaia DR3 943819308110646144, FBS 0639+371, Gaia DR2 943819308110646144, Gaia EDR3 943819308110646144, GALEX J064229.2+370413, LAMOST J064229.12+370413.2, 2MASS J06422923+3704134, SDSS J064229.23+370413.2, SDSSJ064229.22+370413.2, SDSS J064229.22+370413.1, TIC 368823707, FBS B 37
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 06 42 29.23 (0.04) | 06 42 29.22 | 06 42 29.23 (0.04) | ||
| Declination | 37 04 13.04 (0.04) | 37 04 13.20 | 37 04 13.34 (0.04) | ||
| Spectral type | sdOB | sdB0.2He11 | |||
| Effective temperature | [K] | 36631.0 (893) | |||
| log(g) | [cgs] | 5.80 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.99 (0.04) | 1.08 (0.09) | 0.99 (0.04) | |
| Distance | [pc] | 1013.27 (43) | 922.93 (76) | 1013.27 (43) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.003 (0.04) | -2.901 (0.1) | -3.003 (0.04) | |
| Proper motion (declination) | [mas/yr] | -18.94 (0.04) | -19.04 (0.1) | -18.94 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.54 (0.07) | 15.54 (0.07) | |||
| H magnitude | 15.39 (0.1) | 15.39 (0.1) | |||
| K magnitude | 15.64 (0.2) | 15.64 (0.2) | |||
| u magnitude | 14.73 (0.005) | 14.73 (0.005) | |||
| g magnitude | 14.89 (0.004) | 14.89 (0.004) | |||
| r magnitude | 15.26 (0.004) | 15.26 (0.004) | |||
| i magnitude | 15.55 (0.005) | 15.55 (0.005) | |||
| z magnitude | 15.83 (0.007) | 15.83 (0.007) | |||
| G magnitude | 15.07 (0.003) | 15.09 (0.001) | 15.07 (0.003) | ||
| BP magnitude | 14.98 (0.005) | 14.92 (0.01) | |||
| RP magnitude | 15.22 (0.005) | 15.21 (0.004) | |||
| Pan g magnitude | 14.96 (0.003) | ||||
| Pan r magnitude | 15.28 (0.002) | ||||
| Pan i magnitude | 15.57 (0.003) | ||||
| Pan z magnitude | 15.79 (0.003) | ||||
| Pan y magnitude | 15.94 (0.006) | ||||
| E(B-V) | 0.103 | ||||
* 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.