Gaia DR2 829441717689202816

All names: WDJ104250.24+444859.75, SDSS J104250.19+444859.4, Gaia DR2 829441717689202816, Gaia DR3 829441717689202816, Gaia EDR3 829441717689202816, J1042+4448, LSPM J1042+4449, USNO-B1.0 1348-00224602

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 10 42 50.02 (0.1) 10 42 50.02 10 42 50.02 10 42 50.24 (0.1) 10 42 50.02
Declination 44 48 57.89 (0.2) 44 48 57.95 44 48 57.89 44 48 59.75 (0.2) 44 48 57.95
Spectral type DC DC DC DA DC
Effective temperature [K] 6084.0 (54) 6093.0 (54) 5786.0 (51) 6307.0 6079.0 6353.0 (151)
log(g) [cgs] 8.17 (0.03) 8.16 (0.04) 7.98 (0.05) 8.27 8.15 8.32 (0.05)
Mass [M] 0.681 (0.03) 0.673 (0.04) 0.56 (0.04) 0.763 0.668 0.794 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 3.5400 3.6340 3.5010
log(H/He) -3
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] 10.47 (0.2) 10.35 (0.4) 10.35 (0.4) 10.47 10.47 (0.2) 10.35 (0.4)
Distance [pc] 95.49 (2) 96.62 (4) 96.64 (4) 95.49 95.49 (2) 96.64 (4)
Composition He He
Proper motion (right ascension) [mas/yr] -145.0423314 (0.2) -145.5230963 (0.5) -145.042 (0.2) -145.5230963
Proper motion (declination) [mas/yr] -116.0438315 (0.2) -116.27282 (0.6) -116.044 (0.2) -116.27282
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.10
V magnitude
R magnitude 19.20
I magnitude
J magnitude 18.46 (0.08)
H magnitude
K magnitude
u magnitude 20.23 (0.05) 20.24 (0.05) 20.24 (0.05)
g magnitude 19.45 (0.01) 19.45 (0.01)
r magnitude 19.12 (0.01) 19.12 (0.01)
i magnitude 19.03 (0.02) 19.03 (0.02)
z magnitude 19.09 (0.06) 19.09 (0.06)
G magnitude 19.15 (0.02) 19.20 19.15 19.15 (0.003) 19.20
BP magnitude 19.48 (0.02) 19.45 19.45
RP magnitude 18.76 (0.02) 18.75 18.75
Pan g magnitude 19.42 (0.009) 19.42 (0.009)
Pan r magnitude 19.13 (0.01) 19.13 (0.01)
Pan i magnitude 19.06 (0.004) 19.06 (0.005)
Pan z magnitude 19.07 (0.01) 19.07 (0.01)
Pan y magnitude 19.04 (0.05) 19.04 (0.05)
E(B-V) 0.005

* 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.