All names: WDS J22343+1458B, ** GWP 3173B, SDSS J223418.92+145654.1, TIC 210035910, UCAC4 525-147219, WDJ223418.83+145654.41, Gaia DR3 2733055335904034432, WDJ223418.83+145654.42, Gaia DR2 2733055335904034432, GALEX J223418.9+145654, 2MASS J22341881+1456544, Gaia EDR3 2733055335904034432, J2234+1456
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | Tremblay et al. 2020 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 34 18.98 (0.06) | 22 34 18.98 (0.09) | 22 34 18.98 | 22 34 18.98 | 22 34 18.83 (0.06) | 22 34 18.98 | ||||||||
| Declination | 14 56 53.90 (0.05) | 14 56 53.91 (0.08) | 14 56 53.91 | 14 56 53.90 | 14 56 54.42 (0.05) | 14 56 53.91 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 6329.0 (19) | 6294.0 (57) | 6320.0 (16) | 6329.0 (19) | 6293.1 (52) | 6290.0 (50) | 6380.0 (43) | ||||||
| log(g) | [cgs] | 8.03 (0.006) | 8.01 (0.03) | 8.03 (0.006) | 8.03 (0.006) | 8.02 (0.03) | 8.02 (0.03) | 8.05 (0.01) | ||||||
| Mass | [M☉] | 0.609 (0.005) | 0.597 (0.02) | 0.607 (0.005) | 0.608 (0.005) | 0.623 (0.01) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 2.1300 | ||||||||||||
| 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] | 29.52 (0.06) | 29.52 (0.06) | 29.51 (0.09) | 29.51 (0.09) | 29.51 (0.09) | 29.52 | 29.52 (0.06) | 29.51 (0.09) | |||||
| Distance | [pc] | 33.87 (0.07) | 33.88 (0.07) | 33.89 (0.1) | 33.89 (0.1) | 33.89 (0.1) | 33.87 | 33.87 (0.07) | 33.89 (0.1) | |||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 133.4298595 (0.08) | 133.5928817 (0.1) | 133.43 (0.08) | 133.5928817 | |||||||||
| Proper motion (declination) | [mas/yr] | -32.40093217 (0.07) | -32.43311496 (0.1) | -32.401 (0.07) | -32.43311496 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 15.67 (0.01) | 15.79 (0.07) | ||||||||||||
| H magnitude | 15.28 (0.08) | 15.28 (0.08) | ||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 17.54 (0.01) | 17.53 (0.01) | 17.48 (0.01) | |||||||||||
| g magnitude | 16.79 (0.004) | 16.82 (0.004) | ||||||||||||
| r magnitude | 16.51 (0.004) | 16.49 (0.005) | ||||||||||||
| i magnitude | 16.39 (0.005) | 16.40 (0.005) | ||||||||||||
| z magnitude | 16.39 (0.008) | 16.39 (0.008) | ||||||||||||
| G magnitude | 16.50 (0.005) | 16.52 | 16.52 | 16.50 | 16.50 (0.003) | 16.52 | ||||||||
| BP magnitude | 16.77 (0.005) | 16.76 | 16.76 | |||||||||||
| RP magnitude | 16.09 (0.005) | 16.09 | 16.09 | |||||||||||
| Pan g magnitude | 16.78 (0.005) | 16.78 (0.004) | ||||||||||||
| Pan r magnitude | 16.52 (0.002) | 16.52 (0.002) | ||||||||||||
| Pan i magnitude | 16.43 (0.003) | 16.43 (0.004) | ||||||||||||
| Pan z magnitude | 16.42 (0.003) | 16.42 (0.003) | ||||||||||||
| Pan y magnitude | 16.43 (0.003) | 16.43 (0.003) | ||||||||||||
| E(B-V) | 0.001 | |||||||||||||
* 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.