US 1181

All names: SDSS J100206.97+435529.8, SDSS J100206.98+435529.7, WD 0959+441, Gaia EDR3 808096447475123584, Gaia DR3 808096447475123584, SDSS J100206.98+435529.8, Gaia DR2 808096447475123584, SDSS J100206.94+435529.4, GALEX J100206.9+435529, US 1181

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 02 06.91 (0.2) 10 02 06.97 10 02 06.91 (0.2) 10 02 06.98 10 02 06.91 10 02 06.98 (0.2) 10 02 06.98 10 02 06.91 10 02 06.98
Declination 43 55 29.35 (0.2) 43 55 29.80 43 55 29.37 (0.2) 43 55 29.78 43 55 29.35 43 55 29.86 (0.2) 43 55 29.81 43 55 24.96 43 55 29.81
Spectral type DA+M DA DA DA DA+M DA d DA+M DA+MS
Effective temperature [K] 16149.0 (337) 16840.0 (360) 8029.0 (149) 10570.0 (53) 10531.0 (53)
log(g) [cgs] 7.92 (0.07) 8.01 (0.06) 6.51 (0.2) 8.28 (0.04) 8.24 (0.05)
Mass [M] 0.57 (0.04) 0.62 (0.04) 0.109 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.1479
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] 4.34 (0.3) 2.74 (0.3) 4.34 4.34 (0.3)
Distance [pc] 230.18 (13) 365.33 (44) 219.00 (21) 230.18 230.18 (13)
Composition H
Proper motion (right ascension) [mas/yr] -48.67610178 (0.2) -48.79939131 (0.3) -48.676 (0.2) -46.1
Proper motion (declination) [mas/yr] -31.41206535 (0.2) -32.01714364 (0.4) -31.412 (0.2) -31.6
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.16 (0.01) 18.16 18.16 (0.01) 18.16 (0.02) 18.16 18.16 (0.02)
g magnitude 17.85 (0.006) 17.88 17.86 (0.006) 17.88 (0.03) 17.88 17.88 (0.03)
r magnitude 18.06 (0.007) 18.10 18.06 (0.007) 18.10 (0.01) 18.10 18.09 (0.01)
i magnitude 17.90 (0.007) 18.01 17.90 (0.007) 18.02 (0.02) 18.02 18.01 (0.02)
z magnitude 17.51 (0.01) 17.59 17.51 (0.01) 17.59 (0.02) 17.59 17.58 (0.02)
G magnitude 18.07 (0.01) 18.07 18.07 18.07 (0.004)
BP magnitude 17.96 (0.01) 17.95
RP magnitude 17.47 (0.01) 17.48
Pan g magnitude 17.89 (0.005)
Pan r magnitude 18.11 (0.01)
Pan i magnitude 17.98 (0.005)
Pan z magnitude 17.69 (0.01)
Pan y magnitude 17.43 (0.01)
E(B-V) 0.013

* 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.