All names: 2MASS J19030240-3528295, GALEX J190302.5-352829, Gaia DR2 6731435520710915200, BPS CS 22936-0293, TIC 30415110, GALEXJ19030-3528, Gaia DR3 6731435520710915200, GALEX J190302.4-352828
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 03 02.48 | 19 03 02.40 (0.04) | ||
| Declination | -35 28 28.92 | -35 28 29.66 (0.04) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 32100.0 (1760) | ||
| log(g) | [cgs] | 5.26 (0.3) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.81 (0.07) | 0.92 (0.04) | |
| Distance | [pc] | 1236.71 (107) | 1090.27 (53) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.834 (0.1) | 0.91 (0.04) | |
| Proper motion (declination) | [mas/yr] | -3.535 (0.1) | -3.493 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.08 | |||
| V magnitude | 14.34 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.83 (0.04) | 14.83 (0.04) | ||
| H magnitude | 14.96 (0.09) | 14.96 (0.09) | ||
| K magnitude | 14.81 (0.1) | 14.81 (0.1) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.29 (0.0009) | 14.27 (0.003) | ||
| BP magnitude | 14.06 (0.009) | |||
| RP magnitude | 14.53 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.090 | |||
* 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.