All names: BPS CS 29521-0080, 2MASS J23112376+0958450, Gaia DR2 2714253549630034176, KUV 23089+0942, UCAC4 500-148113, [RRW93] Pn23l1-11, Gaia DR3 2714253549630034176, KUV23089+0942
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 11 23.75 | 23 11 23.76 (0.04) | ||
| Declination | 09 58 45.50 | 09 58 44.90 (0.03) | ||
| 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] | 0.40 (0.1) | 0.62 (0.05) | |
| Distance | [pc] | 2521.43 (641) | 1614.73 (123) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 5.075 (0.1) | 5.176 (0.05) | |
| Proper motion (declination) | [mas/yr] | -2.379 (0.1) | -2.261 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.30 (0.02) | |||
| V magnitude | 15.40 | |||
| R magnitude | 15.63 (0.3) | |||
| I magnitude | ||||
| J magnitude | 15.54 (0.06) | 15.54 (0.06) | ||
| H magnitude | 15.26 (0.09) | 15.26 (0.09) | ||
| K magnitude | 15.22 (0.2) | 15.22 (0.2) | ||
| u magnitude | 14.88 (0.004) | |||
| g magnitude | 15.25 (0.003) | 15.26 (0.01) | ||
| r magnitude | 15.65 (0.004) | 16.04 (0.01) | ||
| i magnitude | 15.87 (0.004) | |||
| z magnitude | 16.05 (0.007) | |||
| G magnitude | 15.45 (0.0008) | 15.43 (0.003) | ||
| BP magnitude | 15.28 (0.008) | |||
| RP magnitude | 15.57 (0.003) | |||
| Pan g magnitude | 15.32 (0.004) | |||
| Pan r magnitude | 15.67 (0.005) | |||
| Pan i magnitude | 15.90 (0.004) | |||
| Pan z magnitude | 16.06 (0.002) | |||
| Pan y magnitude | 16.16 (0.01) | |||
| E(B-V) | 0.047 | |||
* 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.