All names: Gaia DR3 3269849213372428416, Gaia DR2 3269849209075243136, GALEX J034556.6+011512, KUV 03434+0106, LAMOST J034556.66+011511.2, 2MASS J03455668+0115111, TIC 457170506, WISE J034556.68+011510.9, SDSS J034556.67+011511.1, KUV03434+0106
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 03 45 56.71 | 03 45 56.69 (0.2) | |
| Declination | 01 15 12.48 | 01 15 11.12 (0.2) | |
| Spectral type | sdB+dM | sdB+M | |
| Effective temperature | [K] | ||
| log(g) | [cgs] | ||
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 3.89 (0.3) | |
| Distance | [pc] | 257.31 (20) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -7.235 (0.3) | |
| Proper motion (declination) | [mas/yr] | -19.257 (0.3) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 14.34 (0.04) | 14.34 (0.04) | |
| H magnitude | 13.72 (0.04) | 13.72 (0.04) | |
| K magnitude | 13.44 (0.05) | 13.44 (0.05) | |
| u magnitude | 17.34 (0.009) | 17.33 (0.009) | |
| g magnitude | 17.04 (0.004) | 17.04 (0.004) | |
| r magnitude | 16.77 (0.004) | 16.77 (0.004) | |
| i magnitude | 16.08 (0.004) | 16.09 (0.004) | |
| z magnitude | 15.59 (0.005) | 15.60 (0.005) | |
| G magnitude | 16.81 (0.008) | 17.02 (0.004) | |
| BP magnitude | 16.98 (0.006) | ||
| RP magnitude | 15.69 (0.003) | ||
| Pan g magnitude | 17.05 (0.003) | ||
| Pan r magnitude | 16.79 (0.003) | ||
| Pan i magnitude | 16.12 (0.003) | ||
| Pan z magnitude | 15.71 (0.002) | ||
| Pan y magnitude | 15.50 (0.004) | ||
| E(B-V) | |||
* 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.