All names: UCAC4 632-043382, J0822+3614, 2MASS J08224613+3614127, WDJ082246.16+361412.61, SDSS J082246.15+361412.4, SDSS J082246.12+361412.2, FBS 0819+364, Gaia DR3 904376149529962880, Gaia DR2 904376149529962880, SDSS J082246.11+361412.1, FBS B 486, WD 0819+363, CBS 72, GALEX J082246.0+361412, PG 0819+364, Gaia EDR3 904376149529962880, TIC 99011986
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 22 46.07 (0.03) | 08 22 46.07 (0.05) | 08 22 46.07 | 08 22 46.16 (0.03) | 08 22 46.07 | 08 22 45.82 | ||||||||
| Declination | 36 14 11.68 (0.03) | 36 14 11.71 (0.04) | 36 14 11.68 | 36 14 12.61 (0.03) | 36 14 11.71 | 36 14 15.00 | ||||||||
| Spectral type | DA | DA | DA | DA | DA2.6 | DA4 | ||||||||
| Effective temperature | [K] | 18244.0 (224) | 18248.0 (226) | 17019.0 | 19195.0 | 19580.0 (312) | 19118.0 (302) | |||||||
| log(g) | [cgs] | 8.05 (0.01) | 8.04 (0.01) | 7.97 | 8.20 | 8.11 (0.05) | 8.11 (0.01) | |||||||
| Mass | [M☉] | 0.651 (0.008) | 0.645 (0.009) | 0.6 | 0.716 | 0.69 (0.03) | 0.686 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.1224 | 0.1290 | |||||||||||
| 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] | 12.25 (0.04) | 12.16 (0.06) | 12.25 | 12.25 (0.04) | 12.16 (0.06) | ||||||||
| Distance | [pc] | 81.66 (0.3) | 82.23 (0.4) | 119.00 | 81.66 | 81.66 (0.3) | 82.23 (0.4) | |||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -72.1005568 (0.04) | -72.26959162 (0.1) | -72.101 (0.04) | -72.26959162 | |||||||||
| Proper motion (declination) | [mas/yr] | -58.22712106 (0.03) | -58.40303339 (0.08) | -58.227 (0.03) | -58.40303339 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 15.59 (0.03) | |||||||||||||
| V magnitude | 15.65 (0.01) | |||||||||||||
| R magnitude | 16.07 (0.1) | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.03 (0.09) | |||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | 15.78 (0.2) | |||||||||||||
| u magnitude | 15.53 (0.005) | 15.53 (0.005) | ||||||||||||
| g magnitude | 15.41 (0.004) | 15.41 (0.003) | ||||||||||||
| r magnitude | 15.77 (0.004) | 15.76 (0.004) | ||||||||||||
| i magnitude | 16.06 (0.005) | 16.05 (0.005) | ||||||||||||
| z magnitude | 16.34 (0.007) | 16.38 (0.008) | ||||||||||||
| G magnitude | 15.61 (0.002) | 15.62 | 15.61 | 15.61 (0.003) | 15.62 | |||||||||
| BP magnitude | 15.54 (0.002) | 15.50 | 15.50 | |||||||||||
| RP magnitude | 15.77 (0.003) | 15.77 | 15.77 | |||||||||||
| Pan g magnitude | 15.46 (0.003) | |||||||||||||
| Pan r magnitude | 15.78 (0.003) | |||||||||||||
| Pan i magnitude | 16.08 (0.002) | |||||||||||||
| Pan z magnitude | 16.32 (0.003) | |||||||||||||
| Pan y magnitude | 16.48 (0.006) | |||||||||||||
| 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.