All names: PG 2337+266, Gaia DR2 2865152071616389632, Gaia DR3 2865152071616389632, TIC 186876115, 2MASS J23394984+2651021, UCAC4 585-132960, GALEX J233949.8+265102, WISEA J233949.80+265101.8, SDSS J233949.83+265101.9, WISE J233949.79+265101.7, PG2337+266
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 39 49.81 | 23 39 49.83 (0.03) | ||
| Declination | 26 51 02.31 | 26 51 02.06 (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] | 0.49 (0.07) | 0.44 (0.05) | |
| Distance | [pc] | 2023.06 (297) | 2254.28 (230) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.687 (0.1) | 1.659 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.645 (0.07) | -7.601 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.85 (0.01) | |||
| V magnitude | 15.94 (0.08) | |||
| R magnitude | 16.22 (0.1) | |||
| I magnitude | ||||
| J magnitude | 16.55 (0.1) | 16.55 (0.1) | ||
| H magnitude | 17.64 | |||
| K magnitude | 15.51 | |||
| u magnitude | 15.66 (0.005) | |||
| g magnitude | 15.76 (0.003) | 15.78 (0.03) | ||
| r magnitude | 16.20 (0.004) | 16.22 (0.08) | ||
| i magnitude | 16.51 (0.005) | |||
| z magnitude | 16.80 (0.01) | |||
| G magnitude | 15.99 (0.002) | 15.98 (0.003) | ||
| BP magnitude | 15.81 (0.005) | |||
| RP magnitude | 16.19 (0.003) | |||
| Pan g magnitude | 15.82 (0.003) | |||
| Pan r magnitude | 16.19 (0.002) | |||
| Pan i magnitude | 16.52 (0.005) | |||
| Pan z magnitude | 16.78 (0.005) | |||
| Pan y magnitude | 16.93 (0.006) | |||
| E(B-V) | 0.075 | |||
* 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.