All names: Gaia DR3 2811677353661543808, BPS CS 29521-0070, WISE J230538.99+114536.8, 2MASS J23053899+1145367, WISEA J230538.99+114536.7, KUV 23032+1129, PG 2303+115, UCAC4 509-146324, PG2303+115, uvby98 680230309, TIC 344194986, Gaia DR2 2811677353661543808, UCAC2 36042523
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 05 38.98 | 23 05 39.00 (0.05) | ||
| Declination | 11 45 36.27 | 11 45 36.66 (0.04) | ||
| 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] | 1.31 (0.08) | 1.13 (0.05) | |
| Distance | [pc] | 761.73 (47) | 884.72 (43) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.295 (0.1) | 0.579 (0.07) | |
| Proper motion (declination) | [mas/yr] | 13.456 (0.08) | 13.482 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.38 (0.01) | |||
| V magnitude | 14.47 (0.01) | |||
| R magnitude | 14.79 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.28 (0.03) | 14.28 (0.03) | ||
| H magnitude | 13.96 (0.04) | 13.96 (0.04) | ||
| K magnitude | 13.84 (0.05) | 13.84 (0.05) | ||
| u magnitude | 14.06 (0.004) | |||
| g magnitude | 14.24 (0.004) | |||
| r magnitude | 14.56 (0.004) | |||
| i magnitude | 14.78 (0.005) | |||
| z magnitude | 14.94 (0.006) | |||
| G magnitude | 14.39 (0.0006) | 14.37 (0.003) | ||
| BP magnitude | 14.28 (0.007) | |||
| RP magnitude | 14.44 (0.002) | |||
| Pan g magnitude | 14.30 (0.005) | |||
| Pan r magnitude | 14.59 (0.006) | |||
| Pan i magnitude | 14.78 (0.003) | |||
| Pan z magnitude | 14.92 (0.002) | |||
| Pan y magnitude | 14.98 (0.004) | |||
| E(B-V) | 0.049 | |||
* 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.