All names: Gaia DR2 5184112288907004928, 2MASS J02513071-0522471, TIC 439865296, Gaia DR3 5184112288907004928, GALEX J025130.6-052247, KUV 02490-0535, KUV02490-0535, PB 9303
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 51 30.70 | 02 51 30.72 (0.04) | ||
| Declination | -05 22 46.88 | -05 22 47.27 (0.04) | ||
| 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] | 0.68 (0.08) | 0.47 (0.05) | |
| Distance | [pc] | 1472.75 (179) | 2110.60 (221) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.096 (0.1) | -0.183 (0.05) | |
| Proper motion (declination) | [mas/yr] | -7.937 (0.1) | -8.313 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.50 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.58 (0.05) | 15.58 (0.05) | ||
| H magnitude | 15.24 (0.1) | 15.24 (0.1) | ||
| K magnitude | 14.91 (0.1) | 14.91 (0.1) | ||
| u magnitude | 15.38 (0.005) | |||
| g magnitude | 15.62 (0.003) | |||
| r magnitude | 15.98 (0.004) | |||
| i magnitude | 16.17 (0.005) | |||
| z magnitude | 16.27 (0.007) | |||
| G magnitude | 15.79 (0.002) | 15.76 (0.003) | ||
| BP magnitude | 15.65 (0.01) | |||
| RP magnitude | 15.84 (0.01) | |||
| Pan g magnitude | 15.68 (0.005) | |||
| Pan r magnitude | 15.98 (0.002) | |||
| Pan i magnitude | 16.17 (0.005) | |||
| Pan z magnitude | 16.32 (0.003) | |||
| Pan y magnitude | 16.36 (0.009) | |||
| E(B-V) | 0.026 | |||
* 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.