All names: Gaia DR2 3928326210186248832, FAUST 3347, SDSS J124006.22+113218.0, WISEA J124006.22+113217.7, [BFA97] 148, UCAC4 508-055296, Gaia DR3 3928326210186248832, UCAC2 35940806, WISE J124006.22+113217.7, PG 1237+118, Ton 98, PG1237+118, GALEX J124006.3+113218, LAMOST J124006.30+113218.5
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 40 06.25 | 12 40 06.22 (0.05) | ||
| Declination | 11 32 19.04 | 11 32 18.13 (0.05) | ||
| Spectral type | sdOB | sdBO | ||
| Effective temperature | [K] | 36383.0 (352) | ||
| log(g) | [cgs] | 5.68 (0.06) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.26 (0.08) | 0.15 (0.06) | |
| Distance | [pc] | 3810.98 (1166) | 6618.13 (2755) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -9.401 (0.2) | -9.494 (0.08) | |
| Proper motion (declination) | [mas/yr] | -18.088 (0.1) | -18.015 (0.08) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.83 (0) | |||
| V magnitude | 15.97 (0.06) | |||
| R magnitude | 16.26 (0.05) | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 15.48 (0.004) | |||
| g magnitude | 15.70 (0.003) | |||
| r magnitude | 16.20 (0.004) | |||
| i magnitude | 16.53 (0.004) | |||
| z magnitude | 16.87 (0.009) | |||
| G magnitude | 16.00 (0.002) | 15.97 (0.003) | ||
| BP magnitude | 15.79 (0.007) | |||
| RP magnitude | 16.23 (0.005) | |||
| Pan g magnitude | 15.80 (0.003) | |||
| Pan r magnitude | 16.20 (0.003) | |||
| Pan i magnitude | 16.56 (0.005) | |||
| Pan z magnitude | 16.83 (0.004) | |||
| Pan y magnitude | 17.01 (0.006) | |||
| E(B-V) | 0.024 | |||
* 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.