All names: V* V429 And, 2MASS J00424239+4319009, Gaia DR2 387533868326227456, GALEX J004242.3+431900, Gaia EDR3 387533868326227456, HS 0039+4302, Gaia DR3 387533868326227456, FBS 0039+430, Balloon 84041013, TIC 191442416, HS0039+4302, FBS B 210
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 42 42.40 (0.04) | 00 42 42.37 | 00 42 42.40 (0.04) | ||
| Declination | 43 19 00.89 (0.03) | 43 19 00.95 | 43 19 00.85 (0.03) | ||
| Spectral type | sdBV | sdB | |||
| Effective temperature | [K] | 32300.0 (800) | |||
| log(g) | [cgs] | 5.70 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.76 (0.04) | 0.52 (0.1) | 0.76 (0.04) | |
| Distance | [pc] | 1324.15 (78) | 1933.11 (400) | 1324.15 (78) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.389 (0.04) | 4.23 (0.1) | 4.389 (0.04) | |
| Proper motion (declination) | [mas/yr] | 2.522 (0.03) | 2.148 (0.2) | 2.522 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.10 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.98 (0.07) | 15.98 (0.07) | |||
| H magnitude | 16.18 (0.2) | 16.18 (0.2) | |||
| K magnitude | 15.84 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.43 (0.003) | 15.45 (0.0008) | 15.43 (0.003) | ||
| BP magnitude | 15.31 (0.004) | 15.28 (0.007) | |||
| RP magnitude | 15.68 (0.005) | 15.68 (0.004) | |||
| Pan g magnitude | 15.28 (0.005) | ||||
| Pan r magnitude | 15.66 (0.002) | ||||
| Pan i magnitude | 16.00 (0.003) | ||||
| Pan z magnitude | 16.27 (0.004) | ||||
| Pan y magnitude | 16.44 (0.002) | ||||
| E(B-V) | 0.064 | ||||
* 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.