2MASS J08061173+3344271

All names: WIRED J080611.64+334425.8, 2MASS J08061173+3344271, SDSS J080611.65+334425.80, SDSS J080611.64+334425.8, GALEX J080611.6+334426, Gaia DR2 905370726516920704, SDSS J080611.65+334425.6, Gaia EDR3 905370726516920704, SDSS J080611.65+334425.8, WD 0802+338, Gaia DR3 905370726516920704, TIC 139203836, SDSS J080611.67+334425.5, LAMOST J080611.66+334425.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Guo et al. 2015 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 08 06 11.67 (0.04) 08 06 11.65 08 06 11.67 (0.05) 08 06 11.67 08 06 11.64 (0.04) 08 06 11.65 08 06 11.04 08 06 11.65
Declination 33 44 25.46 (0.04) 33 44 25.68 33 44 25.48 (0.04) 33 44 25.46 33 44 25.89 (0.04) 33 44 25.84 33 44 21.84 33 44 25.84
Spectral type DB DB;DBZA DB DBA DBA DBA DB_DBZA DB
Effective temperature [K] 15538.0 15153.0 14544.0 15416.0 (25) 15136.0 (316) 16071.0 (46) 15565.0 (72)
log(g) [cgs] 8.09 8.03 7.97 8.00 (0) 8.04 (0.02) 8.27 (0.03) 8.23 (0.04)
Mass [M] 0.641 0.61 0.571 0.613 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.2081
log(H/He) -5.52 -5.19 (0.1)
log(C/He)
log(Ca/He) <-7.59
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] 9.98 (0.06) 9.96 (0.07) 9.98 9.98 (0.06)
Distance [pc] 100.19 (0.6) 100.35 (0.8) 105.00 100.19 100.19 (0.6)
Composition He
Proper motion (right ascension) [mas/yr] 26.25795193 (0.05) 26.08553232 (0.1) 26.258 (0.05) 28.6
Proper motion (declination) [mas/yr] -26.61194495 (0.04) -26.57101738 (0.07) -26.612 (0.04) -31.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.58 (0.1)
H magnitude 16.66 (0.2)
K magnitude 15.79 (0.04)
u magnitude 16.08 (0.006) 16.08 (0.006) 16.19 (0.04) 16.19 16.18 (0.04)
g magnitude 16.15 (0.004) 16.15 (0.004) 16.15 (0.02) 16.15 16.16 (0.02)
r magnitude 16.46 (0.004) 16.46 (0.004) 16.43 (0.03) 16.43 16.43 (0.03)
i magnitude 16.69 (0.005) 16.69 (0.005) 16.67 (0.02) 16.67 16.69 (0.02)
z magnitude 16.95 (0.009) 16.95 (0.009) 16.92 (0.02) 16.91 16.92 (0.02)
G magnitude 16.30 (0.003) 16.33 16.30 16.30 (0.003)
BP magnitude 16.25 (0.003) 16.21
RP magnitude 16.40 (0.006) 16.40
Pan g magnitude 16.19 (0.004)
Pan r magnitude 16.47 (0.009)
Pan i magnitude 16.72 (0.003)
Pan z magnitude 16.92 (0.003)
Pan y magnitude 17.08 (0.007)
E(B-V) 0.003

* 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.