All names: WDJ222958.08+302410.01, 2MASS J22295807+3024102, Gaia DR3 1900545847646195840, J2229+3024, GALEX J222958.1+302409, PM J22299+3024, SDSS J222958.12+302408.8, Gaia EDR3 1900545847646195840, 22299+3024, TIC 100625998, SDSS J222958.11+302408.8, Gaia DR2 1900545847646195840
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 29 58.15 (0.02) | 22 29 58.14 (0.04) | 22 29 58.15 | 22 29 58.08 (0.02) | 22 29 58.14 | |||||||
| Declination | 30 24 08.16 (0.04) | 30 24 08.22 (0.05) | 30 24 08.16 | 30 24 10.01 (0.04) | 30 24 08.22 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 9258.0 (56) | 9860.0 (66) | 9259.0 (55) | 10630.0 (155) | 9511.0 (53) | ||||||
| log(g) | [cgs] | 7.24 (0.01) | 7.41 (0.01) | 7.25 (0.01) | 7.72 (0.05) | 7.33 (0.01) | ||||||
| Mass | [M☉] | 0.267 (0.004) | 0.323 (0.006) | 0.272 (0.005) | 0.46 (0.03) | 0.296 (0.005) | ||||||
| log(Luminosity) | [L☉] | -2.57 | ||||||||||
| Cooling age | [Gyr] | 0.3200 | ||||||||||
| 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] | 10.98 (0.05) | 11.04 (0.07) | 11.04 (0.07) | 10.98 | 10.98 (0.05) | 11.04 (0.07) | |||||
| Distance | [pc] | 91.07 (0.4) | 90.58 (0.6) | 90.60 (0.5) | 75.60 (2) | 91.07 | 91.07 (0.4) | 90.60 (0.5) | ||||
| Composition | H | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 55.66541888 (0.03) | 55.66305283 (0.1) | 55.665 (0.03) | 55.66305283 | |||||||
| Proper motion (declination) | [mas/yr] | -115.6535127 (0.05) | -115.5499933 (0.1) | -115.654 (0.05) | -115.5499933 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | 15.89 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.52 (0.01) | 15.55 | 15.55 (0.07) | |||||||||
| H magnitude | 15.22 (0.03) | 15.22 | 15.22 (0.09) | |||||||||
| K magnitude | 15.02 (0.03) | 15.02 | 15.02 (0.1) | |||||||||
| u magnitude | 16.66 (0.007) | 16.68 (0.007) | 16.68 (0.007) | |||||||||
| g magnitude | 16.16 (0.004) | 16.16 (0.004) | ||||||||||
| r magnitude | 16.29 (0.004) | 16.29 (0.004) | ||||||||||
| i magnitude | 16.43 (0.005) | 16.43 (0.005) | ||||||||||
| z magnitude | 16.48 (0.009) | 16.48 (0.009) | ||||||||||
| G magnitude | 16.20 (0.003) | 16.21 | 16.20 | 16.20 (0.003) | 16.21 | |||||||
| BP magnitude | 16.25 (0.003) | 16.24 | 16.24 | |||||||||
| RP magnitude | 16.12 (0.003) | 16.12 | 16.12 | |||||||||
| Pan g magnitude | 16.17 (0.006) | 16.17 (0.006) | ||||||||||
| Pan r magnitude | 16.30 (0.003) | 16.30 (0.004) | ||||||||||
| Pan i magnitude | 16.44 (0.005) | 16.44 (0.006) | ||||||||||
| Pan z magnitude | 16.54 (0.004) | 16.54 (0.004) | ||||||||||
| Pan y magnitude | 16.52 (0.007) | 16.52 (0.006) | ||||||||||
| E(B-V) | 0.019 | |||||||||||
* 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.