All names: PHL 457, Gaia DR3 2438094814718695424, TIC 49590066, DENIS J231924.4-085237, HE 2316-0909, WISE J231924.41-085238.0, GD 1110, uvby98 610061110, GD1110, Gaia DR2 2438094814718695424, EPIC 246023959, UCAC2 28839481, 2MASS J23192442-0852379, Gaia EDR3 2438094814718695424, UCAC4 406-141392
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 19 24.42 (0.05) | 23 19 24.47 | 23 19 24.43 (0.05) | ||
| Declination | -08 52 38.11 (0.04) | -08 52 37.36 | -08 52 37.94 (0.04) | ||
| Spectral type | sdB+dM/BD | sdB | |||
| Effective temperature | [K] | 26500.0 (1100) | |||
| log(g) | [cgs] | 5.38 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.93 (0.06) | 1.73 (0.06) | 1.93 (0.06) | |
| Distance | [pc] | 518.97 (16) | 577.30 (20) | 518.97 (16) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -13.231 (0.07) | -13.193 (0.1) | -13.231 (0.07) | |
| Proper motion (declination) | [mas/yr] | -11.055 (0.05) | -10.869 (0.09) | -11.055 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 12.78 (0.01) | ||||
| V magnitude | 12.95 (0.01) | ||||
| R magnitude | 13.27 (0.1) | ||||
| I magnitude | 13.18 (0.05) | ||||
| J magnitude | 13.50 (0.03) | 13.50 (0.03) | |||
| H magnitude | 13.60 (0.02) | 13.60 (0.02) | |||
| K magnitude | 13.67 (0.04) | 13.67 (0.04) | |||
| u magnitude | 13.93 (0.005) | ||||
| g magnitude | 14.40 (0.009) | 12.76 (0.02) | |||
| r magnitude | 13.17 (0.04) | ||||
| i magnitude | 14.71 (0.005) | ||||
| z magnitude | 14.51 (0.005) | ||||
| G magnitude | 12.92 (0.003) | 12.94 (0.0009) | 12.92 (0.003) | ||
| BP magnitude | 12.79 (0.003) | 12.76 (0.006) | |||
| RP magnitude | 13.18 (0.004) | 13.18 (0.002) | |||
| Pan g magnitude | 12.88 | ||||
| Pan r magnitude | 13.27 | ||||
| Pan i magnitude | 13.51 (0.004) | ||||
| Pan z magnitude | 13.79 (0.006) | ||||
| Pan y magnitude | 13.96 (0.005) | ||||
| E(B-V) | 0.023 | ||||
* 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.