All names: TIC 262659250, Gaia EDR3 577999179525964032, Gaia DR3 577999175230073728, SDSSJ085042.50+024546.1, LAMOST J085042.49+024546.2, Gaia DR2 577999175230073728, SDSS J085042.50+024546.0, SDSS J085042.50+024546.1, 2MASS J08504248+0245462
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 50 42.26 (0.7) | 08 50 42.50 | 08 50 42.50 (0.04) | ||
| Declination | 02 45 47.03 (0.4) | 02 45 46.10 | 02 45 46.13 (0.02) | ||
| Spectral type | sdB | sdB2.5He5 | |||
| Effective temperature | [K] | 25335.0 (1216) | |||
| log(g) | [cgs] | 5.23 (0.2) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 2.81 (0.9) | 0.37 (0.09) | 0.39 (0.05) | |
| Distance | [pc] | 355.30 (115) | 2734.48 (651) | 2546.47 (313) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -24.256 (1) | -1.086 (0.1) | -0.987 (0.05) | |
| Proper motion (declination) | [mas/yr] | -4.035 (1) | -0.425 (0.1) | -0.406 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.16 (0.1) | 16.15 (0.009) | |||
| H magnitude | 16.08 (0.2) | 16.23 (0.02) | |||
| K magnitude | 15.87 | 16.28 (0.03) | |||
| u magnitude | 15.31 (0.004) | 15.31 (0.004) | |||
| g magnitude | 15.35 (0.003) | 15.35 (0.003) | |||
| r magnitude | 15.79 (0.004) | 15.79 (0.004) | |||
| i magnitude | 16.12 (0.004) | 16.12 (0.004) | |||
| z magnitude | 16.41 (0.008) | 16.41 (0.008) | |||
| G magnitude | 20.46 (0.007) | 15.61 (0.0006) | 15.59 (0.003) | ||
| BP magnitude | 20.23 (0.08) | 15.43 (0.004) | |||
| RP magnitude | 20.21 (0.1) | 15.82 (0.003) | |||
| Pan g magnitude | 15.43 (0.004) | ||||
| Pan r magnitude | 15.81 (0.005) | ||||
| Pan i magnitude | 16.15 (0.003) | ||||
| Pan z magnitude | 16.40 (0.004) | ||||
| Pan y magnitude | 16.56 (0.01) | ||||
| E(B-V) | 0.032 | ||||
* 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.