All names: Gaia EDR3 765141620554406656, GALEX J111225.7+392333, SDSSJ111225.70+392332.7, LAMOST J111225.70+392332.6, CBS 424, SDSS J111225.70+392332.6, Gaia DR2 765141620554406656, SDSS J111225.70+392332.64, SDSS J111225.70+392332.7, Gaia DR3 765141620554406656
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 12 25.68 (0.08) | 11 12 25.70 | 11 12 25.70 | 11 12 25.69 (0.1) | 11 12 25.70 (0.08) | ||||
| Declination | 39 23 32.67 (0.1) | 39 23 32.74 | 39 23 32.70 | 39 23 32.67 (0.2) | 39 23 32.83 (0.1) | ||||
| Spectral type | sdOB | He-sdB | sdBHe | ||||||
| Effective temperature | [K] | 37800.0 (500) | 42000.0 (5000) | ||||||
| log(g) | [cgs] | 5.76 (0.1) | 6.00 (0.5) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.18 (0.1) | 0.04 (0.2) | 0.04 (0.2) | 0.18 (0.1) | ||||
| Distance | [pc] | 5578.88 (3468) | 22321.43 (93322) | 22324.16 (93342) | 5580.36 (3469) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -13.2417903 (0.1) | -13.238 (0.2) | -13.23827711 (0.2) | -13.242 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -9.777218974 (0.1) | -9.569 (0.3) | -9.568790353 (0.3) | -9.777 (0.1) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 17.02 (0.008) | 17.02 (0.008) | 17.00 (0.02) | 17.02 (0.008) | |||||
| g magnitude | 17.39 (0.005) | 17.39 (0.005) | 17.40 (0.01) | 17.39 (0.005) | |||||
| r magnitude | 17.83 (0.006) | 17.82 (0.006) | 17.81 (0.02) | 17.82 (0.006) | |||||
| i magnitude | 18.09 (0.009) | 18.09 (0.009) | 18.09 (0.01) | 18.09 (0.009) | |||||
| z magnitude | 18.30 (0.03) | 18.30 (0.03) | 18.30 (0.03) | 18.30 (0.03) | |||||
| G magnitude | 17.59 (0.01) | 17.61 (0.002) | 17.61 | 17.59 (0.003) | |||||
| BP magnitude | 17.47 (0.01) | 17.40 (0.02) | 17.40 | ||||||
| RP magnitude | 17.75 (0.02) | 17.78 (0.03) | 17.78 | ||||||
| Pan g magnitude | 17.45 (0.006) | 17.45 (0.006) | |||||||
| Pan r magnitude | 17.83 (0.006) | 17.83 (0.006) | |||||||
| Pan i magnitude | 18.10 (0.003) | 18.10 (0.003) | |||||||
| Pan z magnitude | 18.30 (0.01) | 18.30 (0.01) | |||||||
| Pan y magnitude | 18.39 (0.02) | 18.39 (0.02) | |||||||
| E(B-V) | 0.016 | ||||||||
* 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.