WD 1055+661

All names: Gaia EDR3 1059009021023314304, SDSS J105829.24+655227.1, WIRED J105829.24+655227.1, USNO-A2.0 1500-05376575, Gaia DR2 1059009021023314304, SDSS J105829.25+655227.0, GALEX J105829.2+655227, SDSS J105829.24+655227.20, SDSS J105829.24+655227.2, WD 1055+661, Gaia DR3 1059009021023314304

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 58 29.27 (0.1) 10 58 29.25 10 58 29.27 (0.2) 10 58 29.27 10 58 29.25 (0.1) 10 58 29.25 10 58 28.58 10 58 29.24
Declination 65 52 27.01 (0.2) 65 52 27.09 65 52 27.01 (0.2) 65 52 27.01 65 52 27.07 (0.2) 65 52 27.12 65 52 19.92 65 52 27.17
Spectral type DB DB DB DB DB3.1 DB DB+MS
Effective temperature [K] 15381.0 13665.0 10240.0 15770.0 (79) 12147.0 (545) 16082.0 (139) 15465.0 (157)
log(g) [cgs] 7.67 7.69 7.22 8.00 (0) 7.50 (0.1) 8.07 (0.1) 7.94 (0.1)
Mass [M] 0.422 0.426 0.252 0.344 (0.06) 0.549 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.2861
log(H/He) <-6.182 <-5.15
log(C/He)
log(Ca/He) <-6.87
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] 2.66 (0.2) 2.67 (0.3) 2.66 2.66 (0.2)
Distance [pc] 375.38 (25) 374.14 (42) 347.00 375.38 375.38 (25)
Composition He
Proper motion (right ascension) [mas/yr] 6.349367104 (0.2) 6.320412004 (0.4) 6.349 (0.2) 0.0
Proper motion (declination) [mas/yr] -4.059433053 (0.2) -4.0940674 (0.4) -4.059 (0.2) -9.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude 18.20 (0.3)
V magnitude
R magnitude 18.80 (0.3)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.91 (0.02) 18.91 (0.02) 18.89 (0.02) 18.91 18.89 (0.02)
g magnitude 18.93 (0.009) 18.93 (0.009) 18.94 (0.03) 18.95 18.93 (0.03)
r magnitude 19.16 (0.01) 19.16 (0.01) 19.19 (0.03) 19.19 19.17 (0.02)
i magnitude 19.36 (0.02) 19.36 (0.02) 19.38 (0.03) 19.38 19.38 (0.02)
z magnitude 19.28 (0.07) 19.28 (0.07) 19.29 (0.07) 19.28 19.27 (0.07)
G magnitude 19.06 (0.02) 19.09 19.06 19.06 (0.004)
BP magnitude 19.02 (0.02) 18.97
RP magnitude 19.02 (0.03) 18.99
Pan g magnitude 18.96 (0.006)
Pan r magnitude 19.17 (0.008)
Pan i magnitude 19.36 (0.008)
Pan z magnitude 19.37 (0.02)
Pan y magnitude 19.15 (0.05)
E(B-V) 0.021

* 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.