All names: TIC 441765413, USNO-B1.0 1675-00098394, Gaia DR3 1705258117099654912, WD 1729+775, HS 1729+7735, 2MASS J17263869+7733357, SDSS J172638.57+773335.4, GALEX J172638.5+773335, Gaia EDR3 1705258117099654912, WDJ172638.63+773335.53, Gaia DR2 1705258117099654912
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 26 38.42 (0.03) | 17 26 38.43 (0.05) | 17 26 38.42 | 17 26 38.63 (0.03) | 17 26 38.43 | 17 26 38.47 | ||||
| Declination | 77 33 35.35 (0.04) | 77 33 35.35 (0.05) | 77 33 35.35 | 77 33 35.53 (0.04) | 77 33 35.35 | 77 33 34.20 | ||||
| Spectral type | DA | DA | DA | DA3.7 | ||||||
| Effective temperature | [K] | 12782.0 | 13963.0 (162) | |||||||
| log(g) | [cgs] | 7.85 | 7.94 (0.01) | |||||||
| Mass | [M☉] | 0.524 | 0.577 (0.009) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.2569 | ||||||||
| 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] | 10.46 (0.04) | 10.46 (0.05) | 10.46 | 10.46 (0.04) | 10.46 (0.05) | ||||
| Distance | [pc] | 95.64 (0.3) | 95.59 (0.5) | 95.64 | 95.64 (0.3) | 95.59 (0.5) | ||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -42.65951378 (0.04) | -42.58490512 (0.08) | -42.66 (0.04) | -42.58490512 | |||||
| Proper motion (declination) | [mas/yr] | -11.3685739 (0.04) | -11.39823494 (0.1) | -11.369 (0.04) | -11.39823494 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 16.90 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 16.10 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 16.65 (0.1) | |||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 16.53 (0.007) | 16.53 (0.007) | ||||||||
| g magnitude | 16.13 (0.004) | 16.13 (0.004) | ||||||||
| r magnitude | 16.37 (0.004) | 16.37 (0.004) | ||||||||
| i magnitude | 16.60 (0.005) | 16.60 (0.005) | ||||||||
| z magnitude | 16.89 (0.01) | 16.89 (0.01) | ||||||||
| G magnitude | 16.27 (0.003) | 16.29 | 16.27 | 16.27 (0.003) | 16.29 | |||||
| BP magnitude | 16.26 (0.003) | 16.26 | 16.26 | |||||||
| RP magnitude | 16.34 (0.005) | 16.36 | 16.36 | |||||||
| Pan g magnitude | 16.19 (0.005) | |||||||||
| Pan r magnitude | 16.41 (0.006) | |||||||||
| Pan i magnitude | 16.65 (0.003) | |||||||||
| Pan z magnitude | 16.86 (0.002) | |||||||||
| Pan y magnitude | 17.03 (0.01) | |||||||||
| E(B-V) | 0.009 | |||||||||
* 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.