All names: Gaia EDR3 1087311755992420864, Gaia DR3 1087311897726839808, FBS B 656, TIC 85145647, FBS 0725+623, Gaia DR2 1087311897726839808, 2MASS J07302899+6211400, GALEXJ07304+6211, GALEX J073029.0+621141
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 07 30 21.45 (0.6) | 07 30 29.04 | 07 30 29.00 (0.02) | ||
| Declination | 62 10 51.26 (0.6) | 62 11 41.91 | 62 11 40.06 (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] | 2.00 (0.9) | 0.54 (0.05) | 0.54 (0.04) | |
| Distance | [pc] | 501.15 (234) | 1844.68 (181) | 1844.34 (127) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.526 (0.8) | 0.816 (0.07) | 0.779 (0.03) | |
| Proper motion (declination) | [mas/yr] | -16.298 (0.7) | 0.651 (0.06) | 0.585 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | 15.20 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.60 (0.05) | 15.60 (0.05) | |||
| H magnitude | 15.64 (0.1) | 15.64 (0.1) | |||
| K magnitude | 15.87 (0.2) | 15.87 (0.2) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 20.72 (0.008) | 15.01 (0.0007) | 14.99 (0.003) | ||
| BP magnitude | 20.81 (0.3) | 14.81 (0.008) | |||
| RP magnitude | 19.62 (0.08) | 15.23 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | 18.14 (0) | ||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.056 | ||||
* 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.