All names: GALEX J233043.2-654052, BPSCS22945-23, Gaia DR3 6390129416177916928, TIC 235011371, UCAC4 122-171420, 2MASS J23304333-6540529, BPS CS 22945-0023, Gaia DR2 6390129416177916928
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 30 43.27 | 23 30 43.32 (0.03) | ||
| Declination | -65 40 53.05 | -65 40 53.07 (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] | 0.28 (0.04) | 0.52 (0.04) | |
| Distance | [pc] | 3528.58 (533) | 1936.11 (154) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.681 (0.07) | 4.593 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.491 (0.07) | -8.201 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.42 (0.02) | |||
| V magnitude | 15.57 (0.01) | |||
| R magnitude | 15.77 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.57 (0.05) | 15.57 (0.05) | ||
| H magnitude | 15.31 (0.1) | 15.31 (0.1) | ||
| K magnitude | 15.34 (0.2) | 15.34 (0.2) | ||
| u magnitude | ||||
| g magnitude | 15.41 (0.02) | |||
| r magnitude | 15.71 (0.02) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.56 (0.003) | 15.52 (0.003) | ||
| BP magnitude | ||||
| RP magnitude | ||||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.014 | |||
* 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.