SDSS J082927.85+075911.4

All names: Gaia DR3 599123782896409984, GALEX J082927.8+075911, J0829+0759, SDSS J082927.85+075911.4, Gaia DR2 599123782896409984, WD 0826+081, SDSS J082927.85+075911.5, Gaia EDR3 599123782896409984

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 29 27.76 (0.2) 08 29 27.86 08 29 27.88 08 29 27.77 (0.2) 08 29 27.76 08 29 27.88 (0.2) 08 29 27.31 08 29 27.85
Declination 07 59 11.50 (0.1) 07 59 11.48 07 59 11.50 07 59 11.50 (0.2) 07 59 11.50 07 59 11.50 (0.1) 07 59 08.52 07 59 11.48
Spectral type DZ DZ DZ DZ DZ5.2 DZ DZ
Effective temperature [K] 10016.0 (287) 9670.0 (180) 9840.0 (451) 10739.0 (295)
log(g) [cgs] 8.15 8.00 7.97 (0.07) 9.58 (0.3)
Mass [M] 0.6714 0.565 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.7750
log(H/He) <-5.8266 <-5.0
log(C/He)
log(Ca/He) -7.9474 (0.1) -8.68 (0.07)
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] 5.79 (0.2) 5.68 5.68 (0.3) 5.79 5.79 (0.2)
Distance [pc] 172.72 (6) 176.14 (9) 176.14 (9) 176.00 172.72 172.72 (6)
Composition He He
Proper motion (right ascension) [mas/yr] -105.3599587 (0.2) -105.3550137 (0.5) -105.36 (0.2)
Proper motion (declination) [mas/yr] 0.374814527 (0.1) 0.160945752 (0.3) 0.375 (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 18.74 (0.02) 18.74 (0.02) 18.75 18.75 (0.02)
g magnitude 18.57 (0.007) 18.57 (0.007) 18.56 18.57 (0.02)
r magnitude 18.67 (0.009) 18.67 (0.009) 18.68 18.69 (0.01)
i magnitude 18.83 (0.01) 18.83 (0.01) 18.81 18.81 (0.01)
z magnitude 18.91 (0.04) 18.91 (0.04) 19.11 19.12 (0.04)
G magnitude 18.60 (0.03) 18.64 18.60 18.60 (0.003)
BP magnitude 18.62 (0.03) 18.53
RP magnitude 18.56 (0.04) 18.58
Pan g magnitude 18.60 (0.008)
Pan r magnitude 18.69 (0.006)
Pan i magnitude 18.85 (0.007)
Pan z magnitude 19.03 (0.02)
Pan y magnitude 19.16 (0.03)
E(B-V) 0.010

* 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.