All names: Gaia EDR3 2228616684031896192, J2323+7255, GALEX J232328.4+725507, WD 2321+726, PM J23234+7255, Gaia DR2 2228616684031896192, Gaia DR3 2228616684031896192, WDJ232328.21+725507.22, PSO J350.8683+72.9188, 23234+7255, TIC 317473696, 2MASS J23232825+7255074
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Blouin et al. 2019 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 23 28.46 (0.03) | 23 23 28.45 (0.05) | 23 23 28.46 | 23 23 28.21 (0.03) | 23 23 28.45 | 23 23 27.65 | ||||||
| Declination | 72 55 08.03 (0.03) | 72 55 08.01 (0.05) | 72 55 08.03 | 72 55 07.22 (0.03) | 72 55 08.01 | 72 55 04.44 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 7522.0 (29) | 7470.0 (75) | 7600.0 (117) | 7516.0 (42) | |||||||
| log(g) | [cgs] | 7.82 (0.007) | 7.81 (0.02) | 7.99 (0.09) | 7.81 (0.01) | |||||||
| Mass | [M☉] | 0.491 (0.006) | 0.486 (0.01) | 0.59 (0.05) | 0.489 (0.008) | |||||||
| log(Luminosity) | [L☉] | -3.31 | ||||||||||
| Cooling age | [Gyr] | 1.0300 | 0.9880 (0.04) | |||||||||
| 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] | 20.24 (0.04) | 20.24 (0.05) | 20.24 (0.05) | 20.24 (0.05) | 20.24 | 20.24 (0.04) | 20.24 (0.05) | ||||
| Distance | [pc] | 49.41 (0.09) | 49.41 (0.1) | 49.41 (0.1) | 49.41 (0.1) | 46.60 (2) | 49.41 | 49.41 (0.09) | 49.41 (0.1) | |||
| Composition | H | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 69.01709259 (0.05) | 69.14331671 (0.1) | 69.017 (0.05) | 69.14331671 | |||||||
| Proper motion (declination) | [mas/yr] | 50.7203181 (0.04) | 51.05906002 (0.1) | 50.72 (0.04) | 51.05906002 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | 16.27 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.83 (0.08) | 15.83 (0.08) | 15.83 | 15.83 (0.08) | ||||||||
| H magnitude | 15.77 (0.2) | 15.77 (0.2) | 15.77 | 15.77 (0.2) | ||||||||
| K magnitude | 16.16 (0.03) | 16.16 | ||||||||||
| u magnitude | 17.57 (0.03) | 17.57 (0.01) | ||||||||||
| g magnitude | 16.53 (0.004) | 19.32 (0.02) | ||||||||||
| r magnitude | 16.43 (0.002) | 18.82 (0.02) | ||||||||||
| i magnitude | 16.43 (0.003) | 17.49 (0.009) | ||||||||||
| z magnitude | 16.49 (0.002) | 18.80 (0.1) | ||||||||||
| G magnitude | 16.38 (0.004) | 16.39 | 16.38 | 16.38 (0.003) | 16.39 | |||||||
| BP magnitude | 16.54 (0.004) | 16.53 | 16.53 | |||||||||
| RP magnitude | 16.10 (0.003) | 16.10 | 16.10 | |||||||||
| Pan g magnitude | 16.53 (0.004) | 16.53 (0.004) | 16.53 (0.004) | |||||||||
| Pan r magnitude | 16.43 (0.002) | 16.43 (0.002) | 16.43 (0.001) | |||||||||
| Pan i magnitude | 16.43 (0.004) | 16.43 (0.003) | 16.43 (0.003) | |||||||||
| Pan z magnitude | 16.49 (0.003) | 16.49 (0.002) | 16.49 (0.002) | |||||||||
| Pan y magnitude | 16.55 (0.005) | 16.55 (0.005) | 16.55 (0.005) | |||||||||
| E(B-V) | 0.003 | |||||||||||
* 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.