All names: GALEX J233743.7+105627, SDSS J233743.78+105626.9, PG2335+107, 2MASS J23374378+1056270, Gaia EDR3 2763383921048345088, TIC 336676232, Gaia DR2 2763383921048345088, PG 2335+107, Gaia DR3 2763383921048345088
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 37 43.79 (0.04) | 23 37 43.76 | 23 37 43.79 (0.04) | ||
| Declination | 10 56 26.99 (0.03) | 10 56 27.08 | 10 56 26.96 (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] | 0.66 (0.04) | 0.66 (0.07) | 0.66 (0.04) | |
| Distance | [pc] | 1508.98 (96) | 1518.37 (159) | 1508.98 (96) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.036 (0.05) | 3.903 (0.1) | 4.036 (0.05) | |
| Proper motion (declination) | [mas/yr] | 1.512 (0.03) | 1.428 (0.08) | 1.512 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.55 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.02 (0.09) | 16.02 (0.09) | |||
| H magnitude | 16.19 (0.2) | 16.12 (0.02) | |||
| K magnitude | 15.62 | 16.28 (0.03) | |||
| u magnitude | 15.12 (0.004) | 15.14 (0.03) | |||
| g magnitude | 15.26 (0.003) | 15.30 (0.02) | |||
| r magnitude | 15.74 (0.004) | 15.73 (0.02) | |||
| i magnitude | 16.03 (0.004) | 16.03 (0.01) | |||
| z magnitude | 16.31 (0.008) | 16.30 (0.02) | |||
| G magnitude | 15.52 (0.003) | 15.53 (0.0005) | 15.52 (0.003) | ||
| BP magnitude | 15.41 (0.003) | 15.36 (0.006) | |||
| RP magnitude | 15.73 (0.004) | 15.73 (0.003) | |||
| Pan g magnitude | 15.38 (0.005) | ||||
| Pan r magnitude | 15.74 (0.003) | ||||
| Pan i magnitude | 16.07 (0.003) | ||||
| Pan z magnitude | 16.33 (0.002) | ||||
| Pan y magnitude | 16.48 (0.005) | ||||
| E(B-V) | 0.071 | ||||
* 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.