All names: GALEX 2665121649261546518, Gaia DR2 2764858293125375488, Gaia DR3 2764858293125375488, USNO-A2.0 0975-21352594, SDSS J234143.69+133237.6, SDSS J234143.70+133237.7, Gaia EDR3 2764858293125375488, SDSS J234143.70+133237.6, SDSS J234143.68+133237.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Koester & Kepler 2015 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 41 43.68 (0.2) | 23 41 43.70 | 23 41 43.68 (0.3) | 23 41 43.71 (0.3) | 23 41 43.70 | |||||
| Declination | 13 32 37.53 (0.2) | 13 32 37.68 | 13 32 37.53 (0.2) | 13 32 37.55 (0.2) | 13 32 37.65 | |||||
| Spectral type | DC | DC | DB+MS | |||||||
| Effective temperature | [K] | 12141.0 (150) | 12341.0 (393) | |||||||
| log(g) | [cgs] | 8.00 (0) | 8.31 (0.3) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | <-5.51 | |||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | <-9.55 | |||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.09 (0.3) | 3.00 (0.5) | 3.00 (0.5) | ||||||
| Distance | [pc] | 323.80 (34) | 333.35 (56) | 305.00 | 333.34 (56) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -22.57678898 (0.3) | -22.50070979 (0.9) | -22.501 (0.9) | ||||||
| Proper motion (declination) | [mas/yr] | -1.804588631 (0.3) | -1.277143826 (0.5) | -1.277 (0.5) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | |||||||||
| B magnitude | 18.80 (0.3) | |||||||||
| V magnitude | ||||||||||
| R magnitude | 19.10 (0.3) | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.48 (0.03) | 19.48 (0.03) | 19.48 (0.03) | |||||||
| g magnitude | 19.37 (0.01) | 19.37 (0.01) | 19.38 (0.02) | |||||||
| r magnitude | 19.52 (0.02) | 19.52 (0.01) | 19.52 (0.03) | |||||||
| i magnitude | 19.68 (0.03) | 19.68 (0.03) | 19.68 (0.03) | |||||||
| z magnitude | 19.62 (0.09) | 19.62 (0.09) | 19.62 (0.09) | |||||||
| G magnitude | 19.41 (0.03) | 19.45 | 19.45 (0.003) | |||||||
| BP magnitude | 19.43 (0.03) | 19.39 | ||||||||
| RP magnitude | 19.40 (0.05) | 19.43 | ||||||||
| Pan g magnitude | 19.39 (0.01) | |||||||||
| Pan r magnitude | 19.53 (0.005) | |||||||||
| Pan i magnitude | 19.69 (0.01) | |||||||||
| Pan z magnitude | 19.84 (0.03) | |||||||||
| Pan y magnitude | 19.90 (0.05) | |||||||||
| E(B-V) | 0.054 | |||||||||
* 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.