SDSS J011104.32+220429.7

All names: SDSS J011104.30+220429.7, WDJ011104.34+220429.76, J0111+2204, Gaia DR2 2790884008232725632, GALEX J011104.3+220429, Gaia DR3 2790884008232725632, SDSS J011104.32+220429.7, SDSS J011104.31+220429.75, SDSS J011104.33+220429.7, Gaia EDR3 2790884008232725632, SDSS J011104.31+220429.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 01 11 04.30 (0.08) 01 11 04.33 01 11 04.30 (0.1) 01 11 04.30 01 11 04.34 (0.08) 01 11 04.30
Declination 22 04 29.83 (0.07) 22 04 29.73 22 04 29.83 (0.09) 22 04 29.83 22 04 29.76 (0.07) 22 04 29.83
Spectral type DA DA DA DA DA DA DA DA
Effective temperature [K] 8733.0 (51) 8918.0 (52) 8732.0 (51) 8631.0 8633.0 (22) 8749.0 (119)
log(g) [cgs] 8.50 (0.01) 8.55 (0.01) 8.51 (0.01) 8.49 8.44 (0.03) 8.51 (0.02)
Mass [M] 0.919 (0.008) 0.952 (0.009) 0.923 (0.01) 0.911 0.865 (0.02) 0.923 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 2.4100 2.2350
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] 15.56 (0.1) 15.63 (0.1) 15.63 (0.1) 15.56 15.56 (0.1) 15.63 (0.1)
Distance [pc] 64.28 (0.4) 63.98 (0.5) 63.99 (0.5) 64.28 64.28 (0.4) 63.99 (0.5)
Composition H H H
Proper motion (right ascension) [mas/yr] -38.52533048 (0.1) -38.60534208 (0.3) -38.525 (0.1) -38.60534208
Proper motion (declination) [mas/yr] 4.563342794 (0.08) 4.553513277 (0.2) 4.563 (0.08) 4.553513277
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.26 (0.03)
H magnitude
K magnitude
u magnitude 17.86 (0.01) 17.91 (0.02) 17.89 (0.02) 17.86 (0.01) 17.86 (0.01)
g magnitude 17.51 (0.005) 17.52 (0.01) 17.51 (0.005) 17.51 (0.005)
r magnitude 17.54 (0.005) 17.55 (0.03) 17.54 (0.005) 17.54 (0.005)
i magnitude 17.58 (0.006) 17.60 (0.02) 17.58 (0.006) 17.58 (0.006)
z magnitude 17.69 (0.02) 17.71 (0.02) 17.69 (0.01) 17.69 (0.01)
G magnitude 17.48 (0.009) 17.50 17.48 17.48 (0.003) 17.50
BP magnitude 17.58 (0.009) 17.57 17.57
RP magnitude 17.30 (0.01) 17.29 17.29
Pan g magnitude 17.55 (0.005) 17.55 (0.004)
Pan r magnitude 17.53 (0.004) 17.53 (0.003)
Pan i magnitude 17.62 (0.002) 17.62 (0.002)
Pan z magnitude 17.72 (0.005) 17.72 (0.006)
Pan y magnitude 17.79 (0.02) 17.79 (0.02)
E(B-V) 0.003

* 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.