SDSS J083102.86+550643.4

All names: Gaia DR3 1033632056431528832, SDSS J083102.86+550643.5, SDSS J083102.86+550643.49, Gaia DR2 1033632056431528832, Gaia EDR3 1033632056431528832, SDSS J083102.86+550643.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 08 31 02.91 (0.9) 08 31 02.88 08 31 02.90 (1) 08 31 02.87 (0.9)
Declination 55 06 43.29 (0.9) 55 06 43.23 55 06 43.29 (1) 55 06 43.25 (0.9)
Spectral type DA DA DA DA
Effective temperature [K] 8962.0 9111.0 (178)
log(g) [cgs] 8.15 7.90 (0.2)
Mass [M] 0.692 0.545 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 1.0070
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 2.25 (1) 2.57 (2) 2.25 (1)
Distance [pc] 443.57 (214) 388.80 (228) 443.58 (214)
Composition H
Proper motion (right ascension) [mas/yr] 16.52341421 (1) 17.63006231 (4) 16.523 (1)
Proper motion (declination) [mas/yr] 2.831923041 (1) 4.194627821 (3) 2.832 (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 21.30 (0.1) 21.32 (0.1) 21.32 (0.1)
g magnitude 20.89 (0.03) 20.92 (0.03) 20.92 (0.03)
r magnitude 20.85 (0.05) 20.91 (0.05) 20.91 (0.05)
i magnitude 20.82 (0.07) 20.91 (0.07) 20.91 (0.07)
z magnitude 21.03 (0.3) 21.08 (0.3) 21.08 (0.3)
G magnitude 20.84 (0.1) 20.90 20.84 (0.01)
BP magnitude 20.76 (0.1) 20.74
RP magnitude 20.85 (0.2) 20.66
Pan g magnitude 20.91 (0.02)
Pan r magnitude 20.88 (0.02)
Pan i magnitude 20.89 (0.04)
Pan z magnitude 20.94 (0.03)
Pan y magnitude
E(B-V) 0.036

* 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.