All names: TIC 298433570, Gaia DR2 1240306604269576704, GALEXJ14251+2022, Gaia DR3 1240306604269576704, GALEX J142508.0+202241, LAMOST J142507.94+202242.3, SDSS J142507.95+202242.3, 2MASS J14250794+2022423, Gaia EDR3 1240306604269576704
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 14 25 07.95 (0.03) | 14 25 08.09 | 14 25 07.96 (0.03) | ||
| Declination | 20 22 42.26 (0.03) | 20 22 41.75 | 20 22 42.38 (0.03) | ||
| Spectral type | sdOB | sdOB | |||
| Effective temperature | [K] | 35660.0 (450) | |||
| log(g) | [cgs] | 5.72 (0.08) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.83 (0.04) | 0.73 (0.04) | 0.83 (0.04) | |
| Distance | [pc] | 1208.31 (61) | 1367.43 (84) | 1208.31 (61) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -8.018 (0.03) | -7.934 (0.08) | -8.018 (0.03) | |
| Proper motion (declination) | [mas/yr] | -7.411 (0.04) | -7.523 (0.08) | -7.411 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.54 (0.06) | 15.54 (0.06) | |||
| H magnitude | 15.87 (0.1) | 15.87 (0.1) | |||
| K magnitude | 15.81 (0.2) | 15.81 (0.2) | |||
| u magnitude | 14.40 (0.004) | 14.45 (0.04) | |||
| g magnitude | 14.69 (0.003) | 14.65 (0.03) | |||
| r magnitude | 15.21 (0.004) | 15.21 (0.02) | |||
| i magnitude | 15.55 (0.004) | 15.57 (0.02) | |||
| z magnitude | 15.84 (0.006) | 15.84 (0.04) | |||
| G magnitude | 14.97 (0.003) | 14.98 (0.0007) | 14.97 (0.003) | ||
| BP magnitude | 14.82 (0.004) | 14.78 (0.006) | |||
| RP magnitude | 15.24 (0.004) | 15.24 (0.002) | |||
| Pan g magnitude | 14.79 (0.005) | ||||
| Pan r magnitude | 15.23 (0.004) | ||||
| Pan i magnitude | 15.56 (0.004) | ||||
| Pan z magnitude | 15.84 (0.004) | ||||
| Pan y magnitude | 16.04 (0.003) | ||||
| E(B-V) | 0.023 | ||||
* 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.