All names: GALEXJ07501-6446, WISEA J075010.50-644617.9, Gaia DR2 5275785136027857792, UCAC4 127-012003, 2MASS J07501050-6446180, TIC 382518318, DENIS J075010.5-644618, Gaia DR3 5275785136027857792, WISE J075010.50-644617.9, GALEX J075010.4-644617
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 50 10.49 | 07 50 10.52 (0.03) | ||
| Declination | -64 46 17.29 | -64 46 18.06 (0.02) | ||
| Spectral type | sdB+MS | sdB+? | ||
| 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] | 0.96 (0.03) | 0.96 (0.02) | |
| Distance | [pc] | 1042.43 (28) | 1044.60 (25) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.968 (0.06) | -6.359 (0.03) | |
| Proper motion (declination) | [mas/yr] | 12.644 (0.05) | 12.862 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.25 (0.01) | |||
| V magnitude | 14.09 (0.01) | |||
| R magnitude | 14.21 (0.08) | |||
| I magnitude | 13.70 (0.03) | |||
| J magnitude | 13.34 (0.02) | 13.34 (0.02) | ||
| H magnitude | 13.05 (0.02) | 13.05 (0.02) | ||
| K magnitude | 13.06 (0.04) | 13.06 (0.04) | ||
| u magnitude | ||||
| g magnitude | 14.09 (0.03) | |||
| r magnitude | 14.10 (0.04) | |||
| i magnitude | 14.08 (0.05) | |||
| z magnitude | ||||
| G magnitude | 14.01 (0.0005) | 14.00 (0.003) | ||
| BP magnitude | 14.08 (0.003) | |||
| RP magnitude | 13.77 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.095 | |||
* 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.