Gaia DR2 3079468598933810176

All names: SDSS J083151.66+020820.8, Gaia DR3 3079468598933810176, WDJ083151.66+020821.05, Gaia EDR3 3079468598933810176, SDSS J083151.66+020820.9, Gaia DR2 3079468598933810176

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 08 31 51.71 (0.3) 08 31 51.71 08 31 51.71 08 31 51.65 (0.3) 08 31 51.71
Declination 02 08 18.91 (0.1) 02 08 18.98 02 08 18.91 02 08 21.04 (0.1) 02 08 18.98
Spectral type DA: DA
Effective temperature [K] 4933.0 4613.0 5027.0 (93)
log(g) [cgs] 7.91 7.68 8.00 (0.06)
Mass [M] 0.523 0.392 0.581 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 4.8770 3.6910
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.03 (0.3) 11.81 (0.5) 12.03 12.03 (0.3) 11.81 (0.5)
Distance [pc] 83.16 (2) 84.66 (4) 83.16 83.16 (2) 84.66 (4)
Composition
Proper motion (right ascension) [mas/yr] 55.9076077 (0.4) 55.16293749 (0.8) 55.908 (0.4) 55.16293749
Proper motion (declination) [mas/yr] -132.703754 (0.3) -133.5298847 (0.5) -132.704 (0.3) -133.5298847
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.57 (0.1) 21.72 (0.2)
g magnitude 20.17 (0.02) 20.19 (0.02)
r magnitude 19.40 (0.01) 19.41 (0.01)
i magnitude 19.14 (0.02) 19.15 (0.02)
z magnitude 18.98 (0.06) 18.98 (0.04)
G magnitude 19.45 (0.03) 19.49 19.45 19.45 (0.004) 19.49
BP magnitude 19.99 (0.03) 20.01 20.01
RP magnitude 18.83 (0.02) 18.86 18.86
Pan g magnitude 20.04 (0.01)
Pan r magnitude 19.41 (0.01)
Pan i magnitude 19.14 (0.006)
Pan z magnitude 19.05 (0.009)
Pan y magnitude 19.03 (0.03)
E(B-V) 0.002

* 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.