SDSS J082017.56+575415.6

All names: Gaia DR3 1035161026133713024, Gaia EDR3 1035161026133713024, GALEX J082017.5+575415, SDSS J082017.56+575415.6, Gaia DR2 1035161026133713024, [BGK2006] J082017.56+575415.7

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 08 20 17.53 (0.1) 08 20 17.53 08 20 17.58 (0.1)
Declination 57 54 15.71 (0.1) 57 54 15.71 57 54 15.67 (0.1)
Spectral type DA DA
Effective temperature [K] 14516.0 (756)
log(g) [cgs] 7.75 (0.08)
Mass [M☉] 0.478 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.15 (0.2) 3.15 3.15 (0.2)
Distance [pc] 317.44 (19) 317.45 317.44 (19)
Composition
Proper motion (right ascension) [mas/yr] -25.29 (0.1) -25.29 (0.1)
Proper motion (declination) [mas/yr] 2.644 (0.1) 2.644 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.88 (0.02)
g magnitude 18.49 (0.007)
r magnitude 18.80 (0.01)
i magnitude 19.01 (0.01)
z magnitude 19.38 (0.07)
G magnitude 18.60 (0.003) 18.60 18.60 (0.003)
BP magnitude 18.56 (0.02)
RP magnitude 18.66 (0.04)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
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.