All names: PB7032, Gaia DR2 2669326301928084992, uvby98 601107032, TIC 241203756, PB 7032, Gaia DR3 2669326301928084992, GALEX J215804.8-044039, BPS CS 22965-0031, 2MASS J21580475-0440394
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 58 04.72 | 21 58 04.76 (0.04) | ||
| Declination | -04 40 38.85 | -04 40 39.38 (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] | 1.70 (0.1) | 1.65 (0.04) | |
| Distance | [pc] | 586.79 (45) | 607.35 (15) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.876 (0.2) | 7.616 (0.04) | |
| Proper motion (declination) | [mas/yr] | -11.887 (0.2) | -11.954 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.85 (0.004) | |||
| V magnitude | 13.22 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.61 (0.02) | 13.61 (0.02) | ||
| H magnitude | 13.62 (0.03) | 13.62 (0.03) | ||
| K magnitude | 13.62 (0.04) | 13.62 (0.04) | ||
| u magnitude | 12.83 (0.003) | |||
| g magnitude | 13.14 (0.009) | |||
| r magnitude | 13.42 (0.002) | |||
| i magnitude | 13.74 (0.003) | |||
| z magnitude | 14.00 (0.004) | |||
| G magnitude | 13.20 (0.001) | 13.18 (0.003) | ||
| BP magnitude | 13.02 (0.007) | |||
| RP magnitude | 13.41 (0.003) | |||
| Pan g magnitude | 13.28 | |||
| Pan r magnitude | 13.43 (0.01) | |||
| Pan i magnitude | 13.76 (0.004) | |||
| Pan z magnitude | 13.99 (0.002) | |||
| Pan y magnitude | 14.14 (0.005) | |||
| E(B-V) | 0.061 | |||
* 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.