WD 0924+616

All names: WD 0924+616, Gaia DR2 1039177168448595328, Gaia DR3 1039177168449101824, SDSS J092801.78+612434.1, J0928+6124, SDSS J092801.78+612434.0, SDSS J092801.77+612434.0, GALEX J092801.8+612433, Gaia EDR3 1039177168449101824

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 MWDD H Gaia DR2 Stilism Dufour et al. 2007 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 28 01.74 (0.3) 09 28 01.78 09 28 01.79 09 28 01.74 (0.6) 09 28 01.79 (0.3) 09 28 01.78 09 28 01.34 09 28 01.78
Declination 61 24 33.91 (0.3) 61 24 34.07 61 24 34.07 61 24 33.91 (0.5) 61 24 34.09 (0.3) 61 24 34.08 61 24 31.68 61 24 34.08
Spectral type DZ DZ DZ DZ DZ DZ DZ DZ
Effective temperature [K] 9167.0 (303) 9402.0 8570.0 (340) 10409.0 (262) 10307.0 (198)
log(g) [cgs] 7.08 7.15 8.00 7.70 (0.5) 8.83 (0.8)
Mass [M] 0.2139 0.247
log(Luminosity) [L]
Cooling age [Gyr] 0.3520 0.3155
log(H/He) <-6.103 <-4.0
log(C/He)
log(Ca/He) -8.0794 (0.4) -8.71 (0.2)
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] 3.44 (0.4) 1.72 1.72 (1) 3.44 (0.4)
Distance [pc] 290.46 (33) 582.60 (371) 582.60 (371) 288.00 290.46 (33)
Composition He He He
Proper motion (right ascension) [mas/yr] -22.42850583 (0.4) -24.12064648 (2) -22.429 (0.4) -21.6
Proper motion (declination) [mas/yr] -11.20364765 (0.3) -10.30719257 (0.9) -11.204 (0.3) -16.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.43 (0.05) 20.42 (0.05) 20.38 (0.05) 20.40 20.44 (0.05)
g magnitude 20.00 (0.02) 20.00 (0.02) 20.00 (0.03) 20.02 20.00 (0.03)
r magnitude 20.10 (0.02) 20.09 (0.02) 20.12 (0.03) 20.11 20.11 (0.03)
i magnitude 20.28 (0.04) 20.30 (0.04) 20.30 (0.04) 20.30 20.31 (0.04)
z magnitude 20.36 (0.1) 20.39 (0.1) 20.40 (0.1) 20.38 20.40 (0.1)
G magnitude 20.04 (0.05) 20.08 20.04 (0.004)
BP magnitude 20.13 (0.05) 20.10
RP magnitude 19.90 (0.06) 19.85
Pan g magnitude 20.01 (0.01)
Pan r magnitude 20.10 (0.03)
Pan i magnitude 20.23 (0.02)
Pan z magnitude 20.37 (0.04)
Pan y magnitude 19.96 (0.2)
E(B-V) 0.018

* 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.