WD 1111+020

All names: Gaia DR3 3810552434493888768, SDSS J111341.32+014641.7, GALEX J111341.3+014639, WD 1111+020, WDJ111341.34+014642.06, 1111+020, SDSS J111341.33+014641.7, SDSS J111341.32+014641.6, Gaia EDR3 3810552434493888768, J1113+0146, USNO-B1.0 0917-00212821, Gaia DR2 3810552434493888768, LSPM J1113+0146

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Blouin & Dufour 2019 Leggett et al. 2018 Gaia DR2 Stilism Ferrario et al. 2015 Harris et al. 2003 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 11 13 41.14 (0.2) 11 13 41.32 11 13 41.15 (0.2) 11 13 41.14 11 13 41.34 (0.2) 11 13 41.15 11 13 41.21
Declination 01 46 36.19 (0.1) 01 46 41.71 01 46 36.37 (0.2) 01 46 36.19 01 46 42.06 (0.1) 01 46 36.37 01 46 39.36
Spectral type DQH DQH DQpec DQP9.9 DQB DQH DQ DQH pecDQ DQH CV
Effective temperature [K] 5226.0 (16) 4988.0 (13) 5961.0 (350) 5091.0 (12) 6026.0 (44)
log(g) [cgs] 8.45 (0.01) 8.27 (0.01) 8.71 (0.1) 8.44 (0.03) 8.73 (0.01)
Mass [M] 0.866 (0.009) 0.744 (0.01) 1.027 (0.07) 0.858 (0.03) 1.046 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 7.4100 7.0130 (0.02)
log(H/He)
log(C/He) -6.5 -6.79 -5.138 (0.5)
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] 23.19 (0.2) 22.95 (0.2) 22.95 (0.2) 24.24 (0.7) 22.95 (0.2) 23.19 23.19 (0.2) 22.95 (0.2)
Distance [pc] 43.12 (0.3) 43.57 (0.5) 43.58 (0.5) 41.25 (1) 43.58 (0.5) 43.12 43.12 (0.3) 43.58 (0.5)
Composition He He He
Proper motion (right ascension) [mas/yr] -179.7862954 (0.2) -179.5038248 (0.4) -179.786 (0.2) -179.504
Proper motion (declination) [mas/yr] -367.078295 (0.2) -366.7111585 (0.3) -367.078 (0.2) -366.711
Variability
Magnetic yes yes yes
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.10
V magnitude
R magnitude 18.70
I magnitude
J magnitude 17.02 (0.02)
H magnitude 16.81 (0.04)
K magnitude 16.62 (0.05)
u magnitude 18.66 (0.02) 18.65 (0.02) 18.66 (1) 18.66 18.66 (0.02) 18.66 (0.02) 18.66
g magnitude 19.19 (0.01) 19.19 (0.01) 19.24 19.19 (0.01) 19.19 (0.01) 19.24
r magnitude 18.47 (0.008) 18.47 (0.008) 18.50 18.47 (0.008) 18.47 (0.008) 18.50
i magnitude 18.28 (0.01) 18.28 (0.01) 18.33 18.28 (0.01) 18.28 (0.01) 18.33
z magnitude 18.10 (0.02) 18.10 (0.02) 18.14 18.10 (0.02) 18.10 (0.02) 18.14
G magnitude 18.48 (0.03) 18.53 18.48 18.48 (0.005) 18.53
BP magnitude 18.80 (0.03) 18.74 18.74
RP magnitude 17.85 (0.02) 17.84 17.84
Pan g magnitude 19.25 (0.01) 19.25 (0.01) 19.25 (0.009)
Pan r magnitude 18.47 (0.01) 18.47 (0.01) 18.47 (0.01)
Pan i magnitude 18.25 (0.01) 18.25 (0.01) 18.25 (0.01)
Pan z magnitude 18.12 (0.005) 18.12 (0.005) 18.12 (0.007)
Pan y magnitude 18.06 (0.01) 18.06 (0.01) 18.06 (0.01)
E(B-V) 0.001

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.