All names: GALEXJ22484-6811, UCAC4 110-128942, Gaia DR3 6384973977954481792, EC 22450-6827, TIC 469978554, 2MASS J22482999-6811402, Gaia DR2 6384973977954481792, GALEX J224829.6-681139
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 48 29.55 | 22 48 29.99 (0.02) | ||
| Declination | -68 11 38.83 | -68 11 40.11 (0.02) | ||
| Spectral type | He-sdOB | sdOHe | ||
| 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] | 0.58 (0.04) | 0.62 (0.03) | |
| Distance | [pc] | 1738.83 (134) | 1611.34 (76) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 17.262 (0.08) | 17.287 (0.03) | |
| Proper motion (declination) | [mas/yr] | -59.288 (0.08) | -59.346 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.23 (0.02) | |||
| V magnitude | 14.48 (0.03) | |||
| R magnitude | 14.74 (0.08) | |||
| I magnitude | ||||
| J magnitude | 15.18 (0.04) | 15.18 (0.04) | ||
| H magnitude | 15.21 (0.1) | 15.21 (0.1) | ||
| K magnitude | 15.17 (0.2) | 15.17 (0.2) | ||
| u magnitude | ||||
| g magnitude | 14.26 (0.02) | |||
| r magnitude | 14.71 (0.04) | |||
| i magnitude | 14.99 (0.01) | |||
| z magnitude | ||||
| G magnitude | 14.48 (0.0006) | 14.46 (0.003) | ||
| BP magnitude | 14.24 (0.009) | |||
| RP magnitude | 14.77 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.019 | |||
* 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.