All names: HS 1729+7735, TIC 441765413, 2MASS J17263869+7733357, Gaia DR3 1705258117099654912, WD 1729+775, SDSS J172638.57+773335.4, Gaia DR2 1705258117099654912, WDJ172638.63+773335.53, GALEX J172638.5+773335, Gaia EDR3 1705258117099654912, USNO-B1.0 1675-00098394
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.