Gaia DR2 778845108849112704

All names: USNO-B1.0 1328-00277762, WDJ110344.3+424858.82, SDSS J110344.25+424858.9, GALEX J110344.2+424858, J1103+4248, Gaia DR2 778845108849112704, SDSS J110344.24+424858.8, WDJ110344.30+424858.83, Gaia DR3 778845108849112704, Gaia EDR3 778845108849112704, LSPM J1103+4248

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 11 03 44.07 (0.1) 11 03 44.07 11 03 44.07 11 03 44.30 (0.1) 11 03 44.07
Declination 42 48 58.52 (0.2) 42 48 58.53 42 48 58.52 42 48 58.82 (0.2) 42 48 58.53
Spectral type DC DC DC DA: DC
Effective temperature [K] 5779.0 (23) 5780.0 (22) 5495.0 (22) 5976.0 5714.0 6093.0 (122)
log(g) [cgs] 7.96 (0.02) 7.86 (0.06) 7.66 (0.07) 8.00 7.83 8.13 (0.04)
Mass [M] 0.55 (0.02) 0.489 (0.05) 0.386 (0.04) 0.586 0.475 0.671 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 2.3800 2.2510 2.3000
log(H/He) -5
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] 13.08 (0.2) 12.31 (0.6) 12.31 (0.6) 13.08 13.08 (0.2) 12.31 (0.6)
Distance [pc] 76.45 (1) 81.23 (4) 81.26 (4) 76.45 76.45 (1) 81.26 (4)
Composition He He
Proper motion (right ascension) [mas/yr] -159.2192169 (0.2) -159.830284 (0.5) -159.219 (0.2) -159.830284
Proper motion (declination) [mas/yr] -18.70537707 (0.2) -19.06612193 (0.6) -18.705 (0.2) -19.06612193
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.40
V magnitude
R magnitude 18.40
I magnitude
J magnitude 17.63 (0.04)
H magnitude
K magnitude
u magnitude 19.77 (0.03) 19.78 (0.03) 19.78 (0.03)
g magnitude 18.95 (0.009) 18.95 (0.009)
r magnitude 18.55 (0.009) 18.55 (0.009)
i magnitude 18.42 (0.01) 18.42 (0.01)
z magnitude 18.41 (0.03) 18.41 (0.03)
G magnitude 18.60 (0.03) 18.62 18.60 18.60 (0.004) 18.62
BP magnitude 18.87 (0.03) 18.86 18.86
RP magnitude 18.13 (0.03) 18.14 18.14
Pan g magnitude 18.90 (0.002) 18.90 (0.001)
Pan r magnitude 18.60 (0.007) 18.60 (0.008)
Pan i magnitude 18.47 (0.005) 18.47 (0.005)
Pan z magnitude 18.43 (0.01) 18.43 (0.01)
Pan y magnitude 18.44 (0.02) 18.44 (0.02)
E(B-V) 0.004

* 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.