All names: WISE J232432.71+495055.0, WISEA J232432.72+495055.0, Gaia DR3 1943083135027575936, TIC 25232086, 2MASS J23243273+4950551, SDSS J232432.73+495055.0, KPD2322+4933, UCAC2 48064901, Gaia DR2 1943083135027575936, KPD 2322+4933, UCAC4 700-124201
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 24 32.74 | 23 24 32.73 (0.02) | ||
| Declination | 49 50 55.29 | 49 50 55.08 (0.02) | ||
| Spectral type | sdO | sdO | ||
| 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] | 0.29 (0.03) | 0.25 (0.02) | |
| Distance | [pc] | 3483.11 (412) | 4048.58 (375) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.631 (0.05) | -3.577 (0.02) | |
| Proper motion (declination) | [mas/yr] | -2.801 (0.04) | -2.712 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.60 (0.01) | |||
| V magnitude | 13.69 (0.01) | |||
| R magnitude | 13.94 (0.2) | |||
| I magnitude | ||||
| J magnitude | 13.98 (0.03) | 13.98 (0.03) | ||
| H magnitude | 14.08 (0.04) | 14.08 (0.04) | ||
| K magnitude | 14.12 (0.06) | 14.12 (0.06) | ||
| u magnitude | 13.49 (0.004) | |||
| g magnitude | 13.84 (0.003) | 13.56 (0.01) | ||
| r magnitude | 13.97 (0.005) | 13.88 (0.01) | ||
| i magnitude | 14.21 (0.005) | 14.10 (0.01) | ||
| z magnitude | 14.43 (0.006) | |||
| G magnitude | 13.68 (0.0004) | 13.67 (0.003) | ||
| BP magnitude | 13.53 (0.006) | |||
| RP magnitude | 13.80 (0.001) | |||
| Pan g magnitude | 13.59 (0.001) | |||
| Pan r magnitude | 13.89 (0.007) | |||
| Pan i magnitude | 14.14 (0.003) | |||
| Pan z magnitude | 14.36 (0.0009) | |||
| Pan y magnitude | 14.50 (0.005) | |||
| E(B-V) | 0.129 | |||
* 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.