All names: GALEX J123926.6+332358, CSO 908, Gaia DR2 1514791023489737600, SDSSJ123926.65+332358.2, SDSS J123926.65+332358.2, Gaia DR3 1514791023489737600
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 12 39 26.65 | 12 39 26.66 (0.2) | |
| Declination | 33 23 58.20 | 33 23 58.30 (0.1) | |
| 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] | -0.16 (0.2) | |
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -8.137 (0.3) | -8.209 (0.2) |
| Proper motion (declination) | [mas/yr] | -5.004 (0.2) | -4.913 (0.2) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 17.96 (0.01) | 17.97 (0.01) | |
| g magnitude | 18.37 (0.007) | 18.37 (0.007) | |
| r magnitude | 18.89 (0.01) | 18.92 (0.01) | |
| i magnitude | 19.28 (0.02) | 19.28 (0.02) | |
| z magnitude | 19.69 (0.1) | 19.71 (0.09) | |
| G magnitude | 18.63 (0.003) | 18.60 (0.003) | |
| BP magnitude | 18.35 (0.02) | ||
| RP magnitude | 18.98 (0.03) | ||
| Pan g magnitude | 18.40 (0.01) | ||
| Pan r magnitude | 18.87 (0.008) | ||
| Pan i magnitude | 19.27 (0.01) | ||
| Pan z magnitude | 19.57 (0.02) | ||
| Pan y magnitude | 19.63 (0.07) | ||
| E(B-V) | |||
* 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.