All names: 2MASS J22594686+1629170, Gaia DR2 2828888597582293760, WD 2257+162, Gaia EDR3 2828888597582293760, GALEX J225946.8+162917, PG 2257+162, TIC 217541509, Gaia DR3 2828888597582293760, KUV 22573+1613, Pul -3 1500080
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Koester et al. 2014 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 59 46.81 (0.05) | 22 59 46.81 (0.09) | 22 59 46.81 | 22 59 46.85 (0.05) | 22 59 46.58 | ||||||
| Declination | 16 29 16.47 (0.04) | 16 29 16.49 (0.07) | 16 29 16.47 | 16 29 16.95 (0.04) | 16 29 12.48 | ||||||
| Spectral type | DA | DA | DA2.0 | DA3 | |||||||
| Effective temperature | [K] | 24287.0 (330) | 25450.0 (396) | 24580.0 (382) | 19874.0 (388) | ||||||
| log(g) | [cgs] | 7.51 (0.09) | 7.54 (0.05) | 7.49 (0.05) | 7.13 (0.02) | ||||||
| Mass | [M☉] | 0.413 (0.03) | 0.45 (0.02) | 0.43 (0.02) | 0.292 (0.006) | ||||||
| log(Luminosity) | [L☉] | -0.89 | |||||||||
| Cooling age | [Gyr] | 0.0170 | |||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(C/H) | -6.4 (0.2) | ||||||||||
| log(N/H) | |||||||||||
| log(O/H) | |||||||||||
| log(Na/H) | |||||||||||
| log(Mg/H) | |||||||||||
| log(Al/H) | |||||||||||
| log(Si/H) | -7.4 (0.1) | ||||||||||
| 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] | 5.11 (0.05) | 4.98 (0.1) | 5.11 | 5.11 (0.05) | ||||||
| Distance | [pc] | 195.51 (2) | 200.69 (4) | 207.00 | 212.00 | 195.51 | 195.51 (2) | ||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -37.91488225 (0.06) | -37.9716426 (0.2) | -37.915 (0.06) | |||||||
| Proper motion (declination) | [mas/yr] | -29.65390606 (0.05) | -29.46057175 (0.1) | -29.654 (0.05) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 16.00 | ||||||||||
| V magnitude | 15.97 (0.06) | 16.14 | 16.14 | ||||||||
| R magnitude | 16.00 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.44 (0.05) | ||||||||||
| H magnitude | 15.09 (0.07) | ||||||||||
| K magnitude | 14.74 (0.1) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.98 (0.003) | 15.99 | 15.98 | 15.98 (0.003) | |||||||
| BP magnitude | 15.92 (0.003) | 15.87 | |||||||||
| RP magnitude | 16.08 (0.004) | 16.07 | |||||||||
| Pan g magnitude | 15.87 (0.004) | ||||||||||
| Pan r magnitude | 16.21 (0.003) | ||||||||||
| Pan i magnitude | 16.45 (0.004) | ||||||||||
| Pan z magnitude | 16.49 (0.006) | ||||||||||
| Pan y magnitude | 16.43 (0.006) | ||||||||||
| E(B-V) | 0.024 | ||||||||||
* 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.