All names: 2MASS J03122590-1556428, EC03101-1607, Gaia DR2 5154582292803636736, GALEX J031225.9-155644, TIC 441508514, UCAC4 371-003508, Gaia DR3 5154582292803636736, EC 03101-1607
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 12 25.91 | 03 12 25.91 (0.04) | ||
| Declination | -15 56 42.86 | -15 56 42.98 (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] | 0.43 (0.08) | 0.67 (0.05) | |
| Distance | [pc] | 2298.85 (434) | 1490.54 (110) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.415 (0.1) | 1.632 (0.04) | |
| Proper motion (declination) | [mas/yr] | 3.303 (0.1) | 3.135 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 14.84 (0.03) | |||
| R magnitude | 15.01 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.13 (0.04) | 15.13 (0.04) | ||
| H magnitude | 15.28 (0.09) | 15.28 (0.09) | ||
| K magnitude | 15.07 (0.2) | 15.07 (0.2) | ||
| u magnitude | ||||
| g magnitude | 14.71 (0.02) | |||
| r magnitude | 15.03 (0.02) | |||
| i magnitude | 15.43 (0.06) | |||
| z magnitude | ||||
| G magnitude | 14.79 (0.0006) | 14.76 (0.003) | ||
| BP magnitude | 14.64 (0.006) | |||
| RP magnitude | 14.93 (0.003) | |||
| Pan g magnitude | 14.63 (0.004) | |||
| Pan r magnitude | 14.97 (0.003) | |||
| Pan i magnitude | 15.27 (0.002) | |||
| Pan z magnitude | 15.50 (0.004) | |||
| Pan y magnitude | 15.63 (0.006) | |||
| E(B-V) | 0.033 | |||
* 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.