All names: GALEX J024556.8+115015, LAMOST J024556.86+115015.0, UCAC4 510-004173, TIC 387399983, 2MASS J02455685+1150148, Gaia DR3 25501939551450880, [VKN2011] J024556.8+115015, TYC 643-524-1, WISE J024556.85+115014.8, Gaia DR2 25501939551450880, TYC643-524-1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 45 56.87 | 02 45 56.86 (0.04) | ||
| Declination | 11 50 15.04 | 11 50 14.86 (0.04) | ||
| Spectral type | sdB | sdB/sdO | ||
| Effective temperature | [K] | 31075.0 (56) | ||
| log(g) | [cgs] | 4.90 (0) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.32 (0.06) | 1.16 (0.05) | |
| Distance | [pc] | 756.03 (35) | 863.26 (36) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.102 (0.1) | 3.122 (0.05) | |
| Proper motion (declination) | [mas/yr] | -9.614 (0.1) | -9.197 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 11.66 (0.03) | |||
| V magnitude | 11.79 (0.03) | |||
| R magnitude | 11.99 (0.06) | |||
| I magnitude | ||||
| J magnitude | 12.16 (0.02) | 12.16 (0.02) | ||
| H magnitude | 12.22 (0.03) | 12.22 (0.03) | ||
| K magnitude | 12.28 (0.02) | 12.28 (0.02) | ||
| u magnitude | ||||
| g magnitude | 11.63 (0.03) | |||
| r magnitude | 11.97 (0.03) | |||
| i magnitude | 12.25 (0.02) | |||
| z magnitude | ||||
| G magnitude | 11.76 (0.0007) | 11.74 (0.003) | ||
| BP magnitude | 11.64 (0.008) | |||
| RP magnitude | 11.91 (0.001) | |||
| Pan g magnitude | 11.63 | |||
| Pan r magnitude | 12.00 | |||
| Pan i magnitude | 12.29 | |||
| Pan z magnitude | 12.52 | |||
| Pan y magnitude | 12.61 (0.004) | |||
| E(B-V) | 0.135 | |||
* 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.