All names: LAMOST J024556.86+115015.0, WISE J024556.85+115014.8, 2MASS J02455685+1150148, Gaia DR3 25501939551450880, [VKN2011] J024556.8+115015, Gaia DR2 25501939551450880, GALEX J024556.8+115015, TIC 387399983, TYC 643-524-1, UCAC4 510-004173, 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.