All names: PG 1231+465, GALEX J123326.6+461327, Gaia EDR3 1542038296017032320, 2MASS J12332668+4613267, Ton 82, SDSS J123326.67+461326.9, SDSS J123326.65+461327.5, SDSS J123326.64+461327.5, SDSS J123326.65+461327.57, WD 1231+465, Gaia DR2 1542038296017032320, SDSS J123326.67+461327.0, Gaia DR3 1542038296017032320, TIC 373693382
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Kepler et al. 2016 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 33 26.64 (0.02) | 12 33 26.64 (0.03) | 12 33 26.64 | 12 33 26.68 (0.02) | 12 33 28.92 | ||||||
| Declination | 46 13 27.72 (0.02) | 46 13 27.69 (0.03) | 46 13 27.72 | 46 13 26.82 (0.02) | 46 13 33.96 | ||||||
| Spectral type | DA | DA | DA | DA2.1 | DA | DA | |||||
| Effective temperature | [K] | 22054.0 (85) | 23720.0 (372) | 23319.0 (183) | |||||||
| log(g) | [cgs] | 7.98 (0.01) | 7.92 (0.05) | 8.01 (0.009) | |||||||
| Mass | [M☉] | 0.617 (0.005) | 0.59 (0.03) | 0.639 (0.007) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(C/H) | |||||||||||
| log(N/H) | |||||||||||
| log(O/H) | |||||||||||
| log(Na/H) | |||||||||||
| log(Mg/H) | |||||||||||
| log(Al/H) | |||||||||||
| log(Si/H) | |||||||||||
| log(P/H) | |||||||||||
| log(S/H) | |||||||||||
| log(Sc/H) | |||||||||||
| log(Ti/H) | |||||||||||
| log(Cr/H) | |||||||||||
| log(Mn/H) | |||||||||||
| log(Fe/H) | |||||||||||
| log(Ni/H) | |||||||||||
| Parallax | [mas] | 8.27 (0.04) | 8.07 (0.06) | 8.27 | 8.27 (0.04) | ||||||
| Distance | [pc] | 120.90 (0.6) | 123.89 (1) | 141.00 | 120.90 | 120.90 (0.6) | |||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -28.49239957 (0.02) | -28.7686508 (0.06) | -28.492 (0.02) | |||||||
| Proper motion (declination) | [mas/yr] | 56.35990646 (0.03) | 56.58654926 (0.08) | 56.36 (0.03) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.20 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.47 (0.1) | ||||||||||
| H magnitude | 16.28 (0.2) | ||||||||||
| K magnitude | |||||||||||
| u magnitude | 15.67 (0.01) | 15.66 (0.004) | |||||||||
| g magnitude | 15.71 (0.03) | 15.73 (0.003) | |||||||||
| r magnitude | 16.13 (0.01) | 16.11 (0.003) | |||||||||
| i magnitude | 16.46 (0.01) | 16.44 (0.004) | |||||||||
| z magnitude | 16.72 (0.02) | 16.72 (0.01) | |||||||||
| G magnitude | 15.95 (0.002) | 15.97 | 15.95 | 15.95 (0.003) | |||||||
| BP magnitude | 15.84 (0.002) | 15.79 | |||||||||
| RP magnitude | 16.16 (0.003) | 16.15 | |||||||||
| Pan g magnitude | 15.78 (0.002) | ||||||||||
| Pan r magnitude | 16.15 (0.003) | ||||||||||
| Pan i magnitude | 16.49 (0.003) | ||||||||||
| Pan z magnitude | 16.74 (0.003) | ||||||||||
| Pan y magnitude | 16.92 (0.006) | ||||||||||
| E(B-V) | 0.007 | ||||||||||
* 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.