SDSS J081635.82+100536.9

All names: SDSS J081635.82+100536.8, Gaia DR2 648560677539304832, SDSS J081635.82+100536.9, SDSS J081635.82+100536.90, Gaia DR3 648560677539304832, Gaia EDR3 648560677539304832

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 16 35.82 (0.5) 08 16 35.82 08 16 35.82 (0.6) 08 16 35.83 (0.5) 08 16 35.82
Declination 10 05 36.88 (0.3) 10 05 36.90 10 05 36.88 (0.4) 10 05 36.94 (0.3) 10 05 36.91
Spectral type DBA: DBA DBA: DB
Effective temperature [K] 14559.0 15023.0 13985.0 14938.0 (456)
log(g) [cgs] 8.21 6.89 6.84 8.37 (0.3)
Mass [M] 0.715 0.211 0.198
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) -4.987
log(C/He)
log(Ca/He)
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] 1.16 (0.6) 0.89 (0.8) 1.16 (0.6)
Distance [pc] 863.53 (411) 1126.54 (1008) 863.56 (411)
Composition He
Proper motion (right ascension) [mas/yr] -7.621400024 (0.5) -6.410402298 (1) -7.621 (0.5)
Proper motion (declination) [mas/yr] -3.76011478 (0.4) -4.80578695 (0.8) -3.76 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.74 (0.03) 19.74 (0.03) 19.73 (0.04)
g magnitude 19.84 (0.01) 19.84 (0.01) 19.84 (0.02)
r magnitude 20.06 (0.02) 20.06 (0.02) 20.04 (0.02)
i magnitude 20.30 (0.03) 20.30 (0.03) 20.30 (0.03)
z magnitude 20.47 (0.2) 20.47 (0.2) 20.46 (0.2)
G magnitude 19.94 (0.05) 20.01 19.94 (0.005)
BP magnitude 19.98 (0.05) 19.82
RP magnitude 20.07 (0.08) 19.90
Pan g magnitude 19.84 (0.01)
Pan r magnitude 20.13 (0.01)
Pan i magnitude 20.34 (0.03)
Pan z magnitude 20.52 (0.06)
Pan y magnitude 20.64 (0.2)
E(B-V) 0.025

* 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.