PSO J164.1738+57.2466

All names: SDSS J105641.72+571448.9, SDSS J105641.71+571448.9, Gaia DR2 857165662854257792, J1056+5714, WDJ105641.73+571449.10, WD 1053+575, LP 93-176, Gaia EDR3 857165662854257792, SDSS J105641.72+571448.8, Gaia DR3 857165662854257792, PSO J164.1738+57.2466, NLTT 25762, SDSS J105641.73+571448.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 56 41.72 (0.07) 10 56 41.73 10 56 41.73 10 56 41.72 (0.09) 10 56 41.72 10 56 41.73 (0.07) 10 56 41.72 10 56 41.72 10 56 41.88 10 56 41.72
Declination 57 14 46.88 (0.07) 57 14 48.82 57 14 49.10 57 14 46.95 (0.09) 57 14 46.88 57 14 49.10 (0.07) 57 14 46.95 57 14 48.94 57 14 45.96 57 14 48.94
Spectral type DZ DZ DZ DZ DZ: DZ+M DZ DZ DZM DZ
Effective temperature [K] 7275.0 (86) 7306.0 (56) 7300.0 (181) 7420.0 (70) 7281.0 (104) 10086.0 (18) 10096.0 (30)
log(g) [cgs] 8.04 (0.02) 8.05 (0.02) 8.05 8.00 8.05 (0.03) 8.39 (0.5) 9.48 (0.4)
Mass [M] 0.601 (0.02) 0.605 (0.02) 0.6025 0.608 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.5600 1.4900
log(H/He) -4.0 -3.0 <-4.0188 <-4.0
log(C/He)
log(Ca/He) -10.71 -10.47 -10.6853 (0.09) -10.7 (0.08)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 10.60 (0.1) 10.60 (0.1) 10.60 10.60 (0.1) 10.60 10.60 (0.1) 10.60 (0.1)
Distance [pc] 94.38 (1) 94.34 (1) 94.33 (1) 94.33 (1) 99.00 94.38 94.38 (1) 94.33 (1)
Composition He He He
Proper motion (right ascension) [mas/yr] -2.392493007 (0.09) -2.346955354 (0.2) -2.392 (0.09) -2.346955354 1.1
Proper motion (declination) [mas/yr] -139.0644916 (0.1) -138.9864828 (0.2) -139.064 (0.1) -138.9864828 -134.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.86 (0.04)
H magnitude
K magnitude 17.79 (0.02)
u magnitude 18.74 (0.02) 18.74 (0.02) 18.74 (0.02) 18.74 (0.02) 18.69 (0.02) 18.33 18.75 (0.02)
g magnitude 18.37 (0.007) 18.37 (0.007) 18.37 (0.007) 18.34 (0.02) 18.33 18.38 (0.02)
r magnitude 18.27 (0.007) 18.27 (0.007) 18.27 (0.007) 18.25 (0.01) 18.28 (0.01)
i magnitude 18.30 (0.009) 18.30 (0.009) 18.30 (0.009) 18.27 (0.02) 18.29 (0.02)
z magnitude 18.40 (0.02) 18.40 (0.03) 18.40 (0.03) 18.37 (0.02) 18.40 (0.02)
G magnitude 18.24 (0.01) 18.27 18.24 18.24 (0.003) 18.27
BP magnitude 18.37 (0.01) 18.34 18.34
RP magnitude 17.99 (0.02) 17.94 17.94
Pan g magnitude 18.38 (0.01) 18.38 (0.01)
Pan r magnitude 18.29 (0.008) 18.29 (0.008)
Pan i magnitude 18.32 (0.006) 18.32 (0.008)
Pan z magnitude 18.41 (0.02) 18.41 (0.02)
Pan y magnitude 18.41 (0.01) 18.41 (0.01)
E(B-V) 0.008

* Constant surface field

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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.