All names: 2MASS J23222647-3104252, Gaia EDR3 2328770270489756288, Gaia DR3 2328770270489756288, EC 23197-3120, GALEXJ23224-3104, Gaia DR2 2328770270489756288, TIC 218985851, GALEX J232226.4-310421, GD 1651, PHL 482, BPS CS 29494-0039, UCAC4 295-240682
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 22 26.49 (0.03) | 23 22 26.48 | 23 22 26.47 (0.03) | ||
| Declination | -31 04 25.36 (0.03) | -31 04 21.98 | -31 04 25.33 (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] | 0.99 (0.04) | 0.79 (0.05) | 0.99 (0.04) | |
| Distance | [pc] | 1014.82 (42) | 1258.02 (86) | 1014.82 (42) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 18.308 (0.03) | 18.452 (0.1) | 18.308 (0.03) | |
| Proper motion (declination) | [mas/yr] | -1.378 (0.04) | -1.308 (0.08) | -1.378 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.74 (0.02) | ||||
| V magnitude | 14.00 (0.03) | ||||
| R magnitude | 14.42 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 14.71 (0.03) | 14.71 (0.03) | |||
| H magnitude | 14.87 (0.06) | 14.87 (0.06) | |||
| K magnitude | 15.05 (0.1) | 15.05 (0.1) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 13.96 (0.003) | 13.98 (0.001) | 13.96 (0.003) | ||
| BP magnitude | 13.80 (0.003) | 13.75 (0.01) | |||
| RP magnitude | 14.28 (0.004) | 14.28 (0.002) | |||
| Pan g magnitude | 13.81 (0) | ||||
| Pan r magnitude | 14.23 (0.004) | ||||
| Pan i magnitude | 14.66 (0.02) | ||||
| Pan z magnitude | 14.91 (0.2) | ||||
| Pan y magnitude | 15.11 (0.006) | ||||
| E(B-V) | 0.009 | ||||
* 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.