SDSS J110505.75+522522.2

All names: SDSS J110505.75+522522.2, Gaia EDR3 842469143761181824, WDJ110505.75+522522.22, Gaia DR3 842469143761181824, J1105+5225, GALEX J110505.7+522522, SDSS J110505.81+522522.23, SDSS J110505.81+522522.2, Gaia DR2 842469143761181824

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Jewett et al. 2024 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 11 05 05.82 (0.04) 11 05 05.75 11 05 05.82 (0.05) 11 05 05.82 11 05 05.75 (0.04) 11 05 05.82
Declination 52 25 22.16 (0.05) 52 25 22.24 52 25 22.16 (0.08) 52 25 22.16 52 25 22.22 (0.05) 52 25 22.16
Spectral type DAH? DAH? DX DX DX DC DC DC
Effective temperature [K] 17588.0 (140) 17588.0 (140) 14954.0 14841.0 19176.0 (302) 14163.0 (292)
log(g) [cgs] 8.90 (0.009) 8.90 8.79 8.79 8.00 (1) 8.74 (0.02)
Mass [M] 1.154 (0.005) 1.154 (0.005) 1.098 1.086 1.056 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.6300 (0.02) 0.7968 0.8269
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] 11.07 (0.08) 11.14 (0.2) 11.07 11.07 (0.08) 11.14 (0.2)
Distance [pc] 90.35 (0.7) 89.73 (1) 90.35 90.35 (0.7) 89.73 (1)
Composition H H
Proper motion (right ascension) [mas/yr] 43.81521608 (0.06) 43.76038634 (0.1) 43.815 (0.06) 43.76038634
Proper motion (declination) [mas/yr] -4.001544202 (0.06) -3.93404848 (0.2) -4.002 (0.06) -3.93404848
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.25 (0.008) 17.25 (0.02) 17.24 (0.008) 17.24 (0.008)
g magnitude 17.28 (0.005) 17.30 (0.03) 17.27 (0.005) 17.27 (0.005)
r magnitude 17.53 (0.006) 17.52 (0.02) 17.52 (0.006) 17.52 (0.006)
i magnitude 17.80 (0.007) 17.80 (0.02) 17.80 (0.007) 17.80 (0.007)
z magnitude 18.02 (0.02) 18.03 (0.02) 18.01 (0.02) 18.01 (0.02)
G magnitude 17.39 (0.005) 17.42 17.39 17.39 (0.003) 17.42
BP magnitude 17.33 (0.005) 17.29 17.29
RP magnitude 17.49 (0.01) 17.47 17.47
Pan g magnitude 17.30 (0.002)
Pan r magnitude 17.53 (0.003)
Pan i magnitude 17.82 (0.002)
Pan z magnitude 18.02 (0.008)
Pan y magnitude 18.19 (0.02)
E(B-V) 0.007

* 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.