All names: HS 0231+0505, TIC 422915320, 2MASS J02334135+0518443, PG 0231+051, GALEX J023341.3+051842, UCAC2 33509290, Gaia EDR3 2516291016534467200, Gaia DR2 2516291016534467200, Gaia DR3 2516291016534467200, WD 0231+050, SDSS J023341.35+051843.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 33 41.37 (0.05) | 02 33 41.37 (0.08) | 02 33 41.37 | 02 33 41.36 (0.05) | 02 33 41.50 | ||||
| Declination | 05 18 43.57 (0.05) | 05 18 43.57 (0.07) | 05 18 43.57 | 05 18 43.65 (0.05) | 05 18 44.64 | ||||
| Spectral type | DA | DA | DAO.6 | DAO | |||||
| Effective temperature | [K] | 89470.0 (5011) | |||||||
| log(g) | [cgs] | 7.54 (0.2) | |||||||
| Mass | [M☉] | 0.62 (0.05) | |||||||
| 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] | 1.55 (0.05) | 1.45 (0.08) | 1.55 | 1.55 (0.05) | ||||
| Distance | [pc] | 646.73 (22) | 687.70 (40) | 545.00 | 646.73 | 646.75 (22) | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 9.083126238 (0.07) | 9.171826733 (0.2) | 9.083 (0.07) | |||||
| Proper motion (declination) | [mas/yr] | -5.270626293 (0.06) | -5.414800789 (0.2) | -5.271 (0.06) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.78 (0.002) | ||||||||
| V magnitude | 16.10 (0.005) | ||||||||
| R magnitude | 16.27 (0.03) | ||||||||
| I magnitude | 16.64 (0.1) | ||||||||
| J magnitude | 16.80 (0.02) | ||||||||
| H magnitude | 16.92 (0.04) | ||||||||
| K magnitude | 17.20 (0.1) | ||||||||
| u magnitude | 15.33 (0.02) | ||||||||
| g magnitude | 15.79 (0.02) | ||||||||
| r magnitude | 16.29 (0.01) | ||||||||
| i magnitude | 16.61 (0.02) | ||||||||
| z magnitude | 16.96 (0.02) | ||||||||
| G magnitude | 16.04 (0.004) | 16.06 | 16.04 | 16.04 (0.003) | |||||
| BP magnitude | 15.89 (0.004) | 15.83 | |||||||
| RP magnitude | 16.37 (0.007) | 16.36 | |||||||
| Pan g magnitude | 15.84 (0.007) | ||||||||
| Pan r magnitude | 16.29 (0.004) | ||||||||
| Pan i magnitude | 16.66 (0.004) | ||||||||
| Pan z magnitude | 17.00 (0.005) | ||||||||
| Pan y magnitude | 17.18 (0.009) | ||||||||
| E(B-V) | 0.049 | ||||||||
* 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.