All names: WDJ123517.05+445046.71, SDSS J123517.09+445046.7, Gaia DR3 1541537056152533504, Gaia EDR3 1541537056152533504, Gaia DR2 1541537056152533504, GALEX J123517.1+445046, SDSS J123517.10+445046.7
| Parameter | Unit | Gaia EDR3 | Kilic et al. 2025 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 35 17.27 (0.05) | 12 35 17.27 | 12 35 17.05 (0.05) | 12 35 17.26 | ||||
| Declination | 44 50 46.61 (0.06) | 44 50 46.61 | 44 50 46.71 (0.06) | 44 50 46.61 | ||||
| Spectral type | DC+dM | DZ | DC | DZ | ||||
| Effective temperature | [K] | 5634.0 (60) | 5961.0 (56) | |||||
| log(g) | [cgs] | 7.84 (0.03) | 8.10 (0.02) | |||||
| Mass | [M☉] | 0.478 (0.02) | 0.634 (0.02) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | -5.0 | |||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 21.17 (0.1) | 21.17 | 21.17 (0.1) | 21.06 (0.1) | |||
| Distance | [pc] | 47.23 (0.2) | 47.23 | 47.23 (0.2) | 47.48 (0.3) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 144.7469982 (0.07) | 144.747 (0.07) | 144.4544841 | ||||
| Proper motion (declination) | [mas/yr] | -6.224609919 (0.07) | -6.225 (0.07) | -6.369224188 | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 18.64 (0.02) | 18.64 (0.02) | ||||||
| g magnitude | 17.81 (0.006) | 17.81 (0.006) | ||||||
| r magnitude | 17.45 (0.006) | 17.45 (0.006) | ||||||
| i magnitude | 17.32 (0.008) | 17.32 (0.008) | ||||||
| z magnitude | 17.17 (0.02) | 17.17 (0.02) | ||||||
| G magnitude | 17.52 (0.01) | 17.52 | 17.52 (0.003) | 17.53 | ||||
| BP magnitude | 17.74 (0.01) | 17.74 | ||||||
| RP magnitude | 16.89 (0.01) | 16.85 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.002 | |||||||
* 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.