SDSS J080942.82+372836.1

All names: GALEX J080942.8+372836, SDSS J080942.82+372836.1, Gaia DR2 908614487681316992, Gaia DR3 908614487681316992, Gaia EDR3 908614487681316992, SDSS J080942.83+372836.1, WD 0806+376

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 09 42.81 (0.5) 08 09 42.83 08 09 42.81 (0.6) 08 09 42.83 (0.5) 08 09 42.82 08 09 42.29 08 09 42.82
Declination 37 28 35.79 (0.4) 37 28 36.11 37 28 35.80 (0.5) 37 28 36.15 (0.4) 37 28 36.16 37 28 32.88 37 28 36.11
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 8397.0 9076.0 (160) 8825.0 (164)
log(g) [cgs] 8.69 8.68 (0.2) 8.39 (0.3)
Mass [M] 1.034 0.834 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 3.0300
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] 4.32 (0.5) 6.06 (0.8) 4.32 (0.5)
Distance [pc] 231.72 (28) 164.94 (21) 231.72 (28)
Composition H
Proper motion (right ascension) [mas/yr] -18.08746174 (0.6) -16.41210451 (1) -18.087 (0.6) -24.9
Proper motion (declination) [mas/yr] -22.2547813 (0.4) -22.59005699 (0.8) -22.255 (0.4) -26.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.53 (0.05) 20.53 (0.05) 20.40 (0.05) 20.39 20.39 (0.05)
g magnitude 20.07 (0.02) 20.07 (0.02) 20.09 (0.02) 20.09 20.08 (0.02)
r magnitude 20.03 (0.02) 20.03 (0.02) 20.06 (0.03) 20.06 20.05 (0.02)
i magnitude 20.10 (0.03) 20.10 (0.03) 20.17 (0.03) 20.17 20.16 (0.03)
z magnitude 20.11 (0.09) 20.11 (0.09) 20.24 (0.1) 20.24 20.24 (0.1)
G magnitude 20.01 (0.08) 20.06 20.01 (0.006)
BP magnitude 20.22 (0.08) 20.09
RP magnitude 19.71 (0.09) 19.76
Pan g magnitude 20.06 (0.02)
Pan r magnitude 20.04 (0.01)
Pan i magnitude 20.10 (0.02)
Pan z magnitude 20.19 (0.04)
Pan y magnitude 19.99 (0.2)
E(B-V) 0.017

* 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.