SDSS J111109.11+384856.8

All names: Gaia DR2 764725833360592640, J1111+3848, WDJ111109.08+384856.86, SDSS J111109.10+384856.7, Gaia EDR3 764725833360592640, PM J11111+3848, Gaia DR3 764725833360592640, SDSS J111109.11+384856.8, 11111+3848, WIRED J111109.10+384856.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 11 09.23 (0.1) 11 11 09.11 11 11 09.23 (0.1) 11 11 09.23 11 11 09.08 (0.1) 11 11 09.23 11 11 09.11
Declination 38 48 56.17 (0.2) 38 48 56.77 38 48 56.19 (0.3) 38 48 56.17 38 48 56.86 (0.2) 38 48 56.19 38 48 56.80
Spectral type DC DC DC DC DC DC DC DC DC DC
Effective temperature [K] 4798.0 (30) 4862.0 (29) 5127.0 4837.0 5080.0 (145) 5093.0 (60) 6300.0 (3)
log(g) [cgs] 7.22 (0.03) 7.35 (0.03) 7.53 7.31 8.00 (0.2) 7.44 (0.04) 10.00 (0.003)
Mass [M] 0.22 (0.01) 0.259 (0.01) 0.34 0.247 0.57 (0.1) 0.304 (0.02)
log(Luminosity) [L] -4.03
Cooling age [Gyr] 2.1700 1.9920 2.1340
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] 15.11 (0.2) 15.55 (0.3) 15.55 (0.3) 15.11 15.11 (0.2) 15.55 (0.3)
Distance [pc] 66.18 (0.8) 64.31 (1) 64.30 (1) 48.10 (6) 66.18 66.18 (0.8) 64.30 (1)
Composition He He He
Proper motion (right ascension) [mas/yr] 112.074 (0.1) 112.2181545 (0.2) 120.0 112.074 (0.1) 112.218
Proper motion (declination) [mas/yr] -43.204 (0.2) -43.17134432 (0.4) -44.0 -43.204 (0.2) -43.171
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.10 (0.02)
H magnitude
K magnitude
u magnitude 20.13 (0.06) 20.12 (0.06) 20.12 20.13 (0.06) 20.13 (0.06) 20.12 (0.08)
g magnitude 18.81 (0.009) 18.81 18.81 (0.009) 18.81 (0.009) 18.82 (0.02)
r magnitude 18.17 (0.008) 18.17 18.17 (0.008) 18.17 (0.008) 18.21 (0.01)
i magnitude 17.87 (0.008) 17.87 17.87 (0.008) 17.87 (0.008) 17.90 (0.02)
z magnitude 17.75 (0.02) 17.75 17.75 (0.02) 17.75 (0.02) 17.77 (0.03)
G magnitude 18.19 (0.003) 18.20 18.19 18.19 (0.003) 18.20
BP magnitude 18.68 (0.02) 18.66 18.66
RP magnitude 17.58 (0.02) 17.58 17.58
Pan g magnitude 18.74 (0.01) 18.74 (0.008)
Pan r magnitude 18.15 (0.004) 18.15 (0.006)
Pan i magnitude 17.91 (0.004) 17.91 (0.005)
Pan z magnitude 17.86 (0.008) 17.86 (0.008)
Pan y magnitude 17.85 (0.01) 17.85 (0.01)
E(B-V) 0.002

* 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.