All names: TIC 240109525, 2MASS J06434774+3201459, GALEX J064347.7+320147, Gaia DR3 937248901501446272, GALEXJ06437+3201, Gaia DR2 937248901501446272, UCAC2 43085607, LAMOST J064347.74+320146.1, WISE J064347.74+320145.9, UCAC4 611-035333, WISEA J064347.74+320145.8
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 06 43 47.74 | 06 43 47.74 (0.04) | ||
| Declination | 32 01 46.04 | 32 01 46.11 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 26880.0 (70) | ||
| log(g) | [cgs] | 5.21 (0.01) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.09 (0.09) | 1.03 (0.04) | |
| Distance | [pc] | 913.41 (78) | 968.24 (42) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.189 (0.1) | -2.082 (0.04) | |
| Proper motion (declination) | [mas/yr] | -17.564 (0.09) | -17.621 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.69 (0.04) | |||
| V magnitude | 13.82 (0.06) | |||
| R magnitude | 13.99 (0.08) | |||
| I magnitude | ||||
| J magnitude | 14.00 (0.03) | 14.00 (0.03) | ||
| H magnitude | 13.83 (0.03) | 13.83 (0.03) | ||
| K magnitude | 13.82 (0.05) | 13.82 (0.05) | ||
| u magnitude | ||||
| g magnitude | 13.66 (0.04) | |||
| r magnitude | 14.00 (0.05) | |||
| i magnitude | 14.29 (0.04) | |||
| z magnitude | ||||
| G magnitude | 13.83 (0.0008) | 13.83 (0.003) | ||
| BP magnitude | 13.69 (0.008) | |||
| RP magnitude | 13.96 (0.004) | |||
| Pan g magnitude | 13.70 (0.003) | |||
| Pan r magnitude | 14.03 (0.003) | |||
| Pan i magnitude | 14.31 (0.004) | |||
| Pan z magnitude | 14.50 (0.002) | |||
| Pan y magnitude | 14.62 (0.004) | |||
| E(B-V) | 0.076 | |||
* 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.