All names: GALEXJ04153-7251, 2MASS J04152118-7251412, TIC 33834484, EC 04160-7259, SPM4.0 0320022407, Gaia DR3 4653468289213107200, Gaia DR2 4653468289213107200, [DI91] 1569, GALEX J041520.7-725140
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 15 20.87 | 04 15 21.17 (0.02) | ||
| Declination | -72 51 40.37 | -72 51 41.19 (0.02) | ||
| 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] | 1.05 (0.03) | 1.12 (0.02) | |
| Distance | [pc] | 950.03 (31) | 895.09 (18) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.809 (0.07) | -6.93 (0.03) | |
| Proper motion (declination) | [mas/yr] | -5.047 (0.07) | -5.155 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.87 | |||
| V magnitude | 14.03 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.42 (0.04) | 14.42 (0.04) | ||
| H magnitude | 14.51 (0.06) | 14.51 (0.06) | ||
| K magnitude | 14.45 (0.09) | 14.45 (0.09) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.02 (0.0006) | 14.00 (0.003) | ||
| BP magnitude | 13.88 (0.007) | |||
| RP magnitude | 14.17 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.062 | |||
* 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.