All names: Gaia DR3 772988976776168320, GALEX J115123.7+441240, FBS1148+444, TIC 253051713, FBS B 298, Gaia EDR3 773035976603347456, FBS 1148+444, USNO-A2.0 1275-07988959, Gaia DR2 772988976776168320, 2MASS J11512370+4412409
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 11 51 23.27 (0.4) | 11 51 23.82 | 11 51 23.71 (0.02) | ||
| Declination | 44 14 15.05 (0.4) | 44 12 43.90 | 44 12 41.10 (0.02) | ||
| Spectral type | sd | sdBO | |||
| 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] | 1.76 (0.5) | 0.43 (0.03) | 0.42 (0.02) | |
| Distance | [pc] | 567.38 (162) | 2323.42 (174) | 2374.73 (131) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.805 (0.6) | -23.452 (0.04) | -23.426 (0.02) | |
| Proper motion (declination) | [mas/yr] | -7.677 (0.5) | -14.382 (0.04) | -14.358 (0.02) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.98 | ||||
| V magnitude | 14.83 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.44 (0.03) | 14.44 (0.03) | |||
| H magnitude | 14.41 (0.06) | 14.41 (0.06) | |||
| K magnitude | 14.26 (0.06) | 14.26 (0.06) | |||
| u magnitude | 15.86 (0.005) | ||||
| g magnitude | 14.69 (0.003) | ||||
| r magnitude | 14.84 (0.003) | ||||
| i magnitude | 14.93 (0.003) | ||||
| z magnitude | 15.04 (0.005) | ||||
| G magnitude | 20.24 (0.006) | 14.78 (0.001) | 14.76 (0.003) | ||
| BP magnitude | 20.26 (0.07) | 14.83 (0.004) | |||
| RP magnitude | 20.31 (0.1) | 14.63 (0.004) | |||
| Pan g magnitude | 14.74 (0.007) | ||||
| Pan r magnitude | 14.84 (0.004) | ||||
| Pan i magnitude | 14.97 (0.003) | ||||
| Pan z magnitude | 15.06 (0.003) | ||||
| Pan y magnitude | 15.11 (0.004) | ||||
| E(B-V) | 0.017 | ||||
* 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.