All names: Gaia DR2 718402897382488192, KUV 08555+3634, GALEX J085840.8+362223, CBS 87, Gaia DR3 718402897382488192, SDSS J085840.76+362222.2, SDSS J085840.76+362222.3, [BGK2006] J085840.76+362222.4, TIC 21410696, SDSSJ085840.76+362222.2, 2MASS J08584075+3622225
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 58 40.76 | 08 58 40.76 (0.04) | ||
| Declination | 36 22 22.26 | 36 22 22.37 (0.03) | ||
| Spectral type | sdB | 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] | 0.07 (0.08) | 0.04 (0.06) | |
| Distance | [pc] | 13368.98 (14030) | 28089.89 (47816) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.304 (0.1) | 0.346 (0.05) | |
| Proper motion (declination) | [mas/yr] | -7.175 (0.08) | -7.168 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.00 | |||
| V magnitude | 16.36 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.45 (0.1) | 16.45 (0.1) | ||
| H magnitude | 16.83 | |||
| K magnitude | 15.82 | |||
| u magnitude | 16.62 (0.006) | 16.62 (0.006) | ||
| g magnitude | 16.08 (0.003) | 16.08 (0.003) | ||
| r magnitude | 16.40 (0.004) | 16.40 (0.004) | ||
| i magnitude | 16.61 (0.005) | 16.61 (0.005) | ||
| z magnitude | 16.80 (0.01) | 16.80 (0.01) | ||
| G magnitude | 16.27 (0.0008) | 16.25 (0.003) | ||
| BP magnitude | 16.19 (0.004) | |||
| RP magnitude | 16.30 (0.004) | |||
| Pan g magnitude | 16.14 (0.006) | |||
| Pan r magnitude | 16.39 (0.003) | |||
| Pan i magnitude | 16.63 (0.003) | |||
| Pan z magnitude | 16.81 (0.003) | |||
| Pan y magnitude | 16.89 (0.008) | |||
| E(B-V) | 0.024 | |||
* 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.