All names: GALEX J075937.0+541022, SDSS J075937.16+541022.2, SDSS J075937.15+541022.2, TIC 741726760, SDSS J075937.15+541022.1, SDSSJ075937.15+541022.2, Gaia DR2 936745874930443648, USNO-B1.0 1441-00187419, Gaia DR3 936745874930443648
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 07 59 37.15 | 07 59 37.15 (0.08) | |
| Declination | 54 10 22.20 | 54 10 22.23 (0.07) | |
| Spectral type | sdB | sdB | |
| Effective temperature | [K] | 31300.0 (700) | |
| log(g) | [cgs] | 5.30 (0.1) | |
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | -0.05 (0.1) | 0.09 (0.1) |
| Distance | [pc] | 11695.91 (15116) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 5.562 (0.2) | 5.755 (0.1) |
| Proper motion (declination) | [mas/yr] | -11.316 (0.2) | -11.298 (0.09) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 17.40 | ||
| V magnitude | |||
| R magnitude | 18.00 | ||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 17.31 (0.009) | 17.31 (0.009) | |
| g magnitude | 17.51 (0.005) | 17.51 (0.005) | |
| r magnitude | 17.99 (0.007) | 17.99 (0.007) | |
| i magnitude | 18.29 (0.01) | 18.29 (0.01) | |
| z magnitude | 18.62 (0.03) | 18.62 (0.03) | |
| G magnitude | 17.78 (0.002) | 17.75 (0.003) | |
| BP magnitude | 17.58 (0.01) | ||
| RP magnitude | 18.00 (0.02) | ||
| Pan g magnitude | 17.58 (0.005) | ||
| Pan r magnitude | 17.96 (0.01) | ||
| Pan i magnitude | 18.33 (0.004) | ||
| Pan z magnitude | 18.58 (0.01) | ||
| Pan y magnitude | 18.70 (0.02) | ||
| 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.