All names: LAMOST J085649.34+170115.8, LAMOST J085649.26+170114.6, GALEX J085649.3+170116, LAMOST J085649.36+170116.0, Gaia DR2 611587919724027392, Gaia DR3 611587919724027392, Gaia EDR3 611587919724027392, GALEXJ08568+1701, GALEX J085649.3+170115, 2MASS J08564926+1701146, TIC 437043466, EPIC 211779126
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 56 49.27 (0.03) | 08 56 49.36 | 08 56 49.27 (0.03) | ||
| Declination | 17 01 14.36 (0.02) | 17 01 16.05 | 17 01 14.71 (0.02) | ||
| Spectral type | sdB | sdBHe2 | |||
| Effective temperature | [K] | 29270.0 (450) | |||
| log(g) | [cgs] | 5.39 (0.2) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.83 (0.04) | 1.81 (0.07) | 1.83 (0.04) | |
| Distance | [pc] | 546.57 (11) | 551.42 (21) | 546.57 (11) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.443 (0.04) | -2.721 (0.1) | -2.443 (0.04) | |
| Proper motion (declination) | [mas/yr] | -21.802 (0.03) | -21.851 (0.1) | -21.802 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | 13.17 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 13.43 (0.02) | 13.43 (0.02) | |||
| H magnitude | 13.51 (0.03) | 13.51 (0.03) | |||
| K magnitude | 13.60 (0.03) | 13.60 (0.03) | |||
| u magnitude | 14.72 (0.01) | ||||
| g magnitude | 12.73 (0.001) | ||||
| r magnitude | 13.11 (0.001) | ||||
| i magnitude | 13.63 (0.004) | ||||
| z magnitude | 14.30 (0.008) | ||||
| G magnitude | 12.79 (0.003) | 12.81 (0.0005) | 12.79 (0.003) | ||
| BP magnitude | 12.65 (0.003) | 12.59 (0.005) | |||
| RP magnitude | 13.07 (0.004) | 13.07 (0.001) | |||
| Pan g magnitude | 12.88 | ||||
| Pan r magnitude | 13.26 | ||||
| Pan i magnitude | 13.42 (0.01) | ||||
| Pan z magnitude | 13.71 (0.003) | ||||
| Pan y magnitude | 13.85 (0.001) | ||||
| E(B-V) | 0.027 | ||||
* 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.