All names: TIC 9265255, 2MASS J07504394+3808216, SDSS J075043.88+380822.7, GALEX J075043.8+380823
| Parameter | Unit | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|
| Right ascension | 07 50 43.94 (100) | 07 50 43.89 | |
| Declination | 38 08 21.59 (90) | 38 08 22.79 | |
| Spectral type | sdB | SDB | |
| Effective temperature | [K] | 32791.0 (277) | |
| log(g) | [cgs] | 7.06 (0.06) | |
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | ||
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -5.4 | |
| Proper motion (declination) | [mas/yr] | -0.1 | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 15.57 (0.07) | ||
| H magnitude | 15.47 (0.1) | ||
| K magnitude | 15.33 (0.2) | ||
| u magnitude | 17.88 (0.01) | 17.96 (0.03) | |
| g magnitude | 17.84 (0.006) | 17.94 (0.1) | |
| r magnitude | 18.33 (0.01) | 18.43 (0.3) | |
| i magnitude | 18.13 (0.009) | 18.28 (0.3) | |
| z magnitude | 18.70 (0.04) | 18.81 (0.5) | |
| G magnitude | |||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| 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.