SDSS J112038.27+473417.1

All names: Gaia EDR3 788619668448368512, SDSS J112038.27+473417.1, WDJ112038.29+473416.94, Gaia DR2 788619668448368512, Gaia DR3 788619668448368512, J1120+4734, SDSS J112038.27+473417.12

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 11 20 38.21 (0.06) 11 20 38.27 11 20 38.22 (0.09) 11 20 38.21 11 20 38.29 (0.06) 11 20 38.22
Declination 47 34 17.77 (0.07) 47 34 17.15 47 34 17.74 (0.09) 47 34 17.77 47 34 16.93 (0.07) 47 34 17.74
Spectral type DC DC DC DC DC DC DC DC
Effective temperature [K] 6278.0 (34) 6232.0 (32) 6534.0 6295.0 10639.0 (2000) 5564.0 (140)
log(g) [cgs] 8.15 (0.01) 8.14 (0.02) 8.28 8.16 6.50 (0.5) 7.95 (0.03)
Mass [M] 0.666 (0.01) 0.658 (0.01) 0.769 0.676 0.539 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 3.0200 3.3300 3.1100
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 15.29 (0.1) 15.40 (0.2) 15.40 (0.2) 15.29 15.29 (0.1) 15.40 (0.2)
Distance [pc] 65.40 (0.5) 64.94 (0.7) 64.94 (0.7) 65.40 65.40 (0.5) 64.94 (0.7)
Composition He He
Proper motion (right ascension) [mas/yr] -46.86228259 (0.06) -46.87664736 (0.1) -46.862 (0.06) -46.87664736
Proper motion (declination) [mas/yr] 52.01378391 (0.08) 51.87359778 (0.2) 52.014 (0.08) 51.87359778
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.38 (0.03)
H magnitude
K magnitude
u magnitude 19.18 (0.02) 19.17 (0.02) 19.18 (0.02) 19.18 (0.02) 19.18 (0.02)
g magnitude 18.46 (0.007) 18.46 (0.01) 18.46 (0.007) 18.46 (0.007)
r magnitude 18.17 (0.007) 18.17 (0.01) 18.17 (0.007) 18.17 (0.007)
i magnitude 18.09 (0.008) 18.09 (0.01) 18.09 (0.008) 18.09 (0.008)
z magnitude 18.10 (0.02) 18.10 (0.02) 18.10 (0.02) 18.10 (0.02)
G magnitude 18.15 (0.01) 18.18 18.15 18.15 (0.003) 18.18
BP magnitude 18.41 (0.01) 18.39 18.39
RP magnitude 17.74 (0.01) 17.71 17.71
Pan g magnitude 18.41 (0.004) 18.41 (0.004)
Pan r magnitude 18.15 (0.003) 18.15 (0.004)
Pan i magnitude 18.09 (0.005) 18.09 (0.005)
Pan z magnitude 18.11 (0.009) 18.11 (0.01)
Pan y magnitude 18.16 (0.02) 18.16 (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.