SDSS J080955.14+222452.6

All names: Gaia DR3 677104656527974144, Gaia DR2 677104656527974144, WD 0806+225, SDSS J080955.14+222452.6, Gaia EDR3 677104656527974144, GALEX J080955.1+222452

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 09 55.13 (0.2) 08 09 55.14 08 09 55.13 (0.3) 08 09 55.14 (0.2) 08 09 55.14 08 09 55.18 08 09 55.14
Declination 22 24 52.49 (0.2) 22 24 52.61 22 24 52.50 (0.2) 22 24 52.68 (0.2) 22 24 52.62 22 24 49.32 22 24 52.62
Spectral type DA DA DA DA_auto DA DA DA
Effective temperature [K] 12043.0 17760.0 (470) 16800.0 (269) 17458.0 (284)
log(g) [cgs] 7.49 7.88 (0.09) 7.96 (0.05) 7.93 (0.06)
Mass [M] 0.36 0.55 (0.04) 0.582 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.2057 0.0977
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] 2.77 (0.3) 2.39 (0.4) 2.77 (0.3)
Distance [pc] 361.58 (40) 417.61 (64) 361.57 (40)
Composition H H
Proper motion (right ascension) [mas/yr] -6.631425988 (0.3) -7.502584766 (0.6) -6.631 (0.3) 0.4
Proper motion (declination) [mas/yr] -11.4050184 (0.2) -11.09611105 (0.4) -11.405 (0.2) -8.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.17 (0.02) 19.17 (0.02) 19.20 (0.03) 19.21 19.19 (0.03)
g magnitude 18.94 (0.009) 18.94 (0.009) 18.95 (0.02) 18.95 18.95 (0.02)
r magnitude 19.18 (0.01) 19.18 (0.01) 19.21 (0.02) 19.21 (0.02)
i magnitude 19.53 (0.02) 19.53 (0.02) 19.53 (0.02) 19.54 (0.02)
z magnitude 19.66 (0.07) 19.66 (0.07) 19.65 (0.07) 19.67 (0.07)
G magnitude 19.11 (0.03) 19.16 19.11 (0.004)
BP magnitude 19.15 (0.03) 19.05
RP magnitude 19.28 (0.05) 19.07
Pan g magnitude 18.97 (0.007)
Pan r magnitude 19.27 (0.006)
Pan i magnitude 19.54 (0.009)
Pan z magnitude 19.72 (0.02)
Pan y magnitude 19.62 (0.01)
E(B-V) 0.020

* 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.