All names: 2MASS J08112402+7710101, Gaia DR3 1137558307806394240, GALEXJ08113+7710, TIC 441630966, FBS 0804+773, GALEX J081123.7+771008, Gaia EDR3 1137558307806394240, Gaia DR2 1137558307806394240, FBS B 970
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 11 24.01 (0.02) | 08 11 23.78 | 08 11 24.03 (0.02) | ||
| Declination | 77 10 10.27 (0.03) | 77 10 08.99 | 77 10 10.28 (0.03) | ||
| Spectral type | sdOB | sdOB | |||
| 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] | 1.00 (0.03) | 0.95 (0.04) | 1.00 (0.03) | |
| Distance | [pc] | 998.10 (28) | 1050.09 (42) | 998.10 (28) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -5.117 (0.03) | -5.05 (0.06) | -5.117 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.819 (0.03) | -0.781 (0.07) | -0.819 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.58 (0.04) | 14.58 (0.04) | |||
| H magnitude | 14.55 (0.07) | 14.55 (0.07) | |||
| K magnitude | 14.69 (0.1) | 14.69 (0.1) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 13.93 (0.003) | 13.95 (0.0006) | 13.93 (0.003) | ||
| BP magnitude | 13.78 (0.003) | 13.72 (0.008) | |||
| RP magnitude | 14.22 (0.004) | 14.22 (0.001) | |||
| Pan g magnitude | 13.80 (0.003) | ||||
| Pan r magnitude | 14.20 (0.001) | ||||
| Pan i magnitude | 14.56 (0.002) | ||||
| Pan z magnitude | 14.84 (0.002) | ||||
| Pan y magnitude | 15.01 (0.006) | ||||
| E(B-V) | 0.034 | ||||
* 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.