Gaia DR2 2066035777984385792

All names: Gaia DR2 2066035777984385792, Gaia DR3 2066035777984385792, Gaia EDR3 2066035777984385792, WDS J20440+4030B, TIC 66139994, SDSS J204400.72+403006.0, ** SLN 85B, WDJ20440.72+403005.87, 2MASS J20440071+4030056, USNO-B1.0 1305-00396835, J2044+4030, WDJ204400.72+403005.88

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 20 44 00.73 (0.06) 20 44 00.73 20 44 00.73 20 44 00.72 (0.06) 20 44 00.73
Declination 40 30 06.46 (0.06) 40 30 06.45 40 30 06.46 40 30 05.88 (0.06) 40 30 06.45
Spectral type DAH DAH DAH DA DAH
Effective temperature [K] 7393.0 (46) 7508.0 (40) 7393.0 (46) 7352.0 7071.0 7299.0 (85)
log(g) [cgs] 8.40 (0.01) 8.44 (0.01) 8.40 (0.01) 8.39 8.29 8.37 (0.02)
Mass [M] 0.85 (0.01) 0.876 (0.009) 0.849 (0.01) 0.842 0.76 0.828 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 3.1800 2.9330 2.7360
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 17.16 (0.08) 17.14 (0.1) 17.14 (0.1) 17.16 17.16 (0.08) 17.14 (0.1)
Distance [pc] 58.29 (0.3) 58.34 (0.3) 58.33 (0.4) 58.29 58.29 (0.3) 58.33 (0.4)
Composition H H
Proper motion (right ascension) [mas/yr] 8.730736297 (0.08) 8.639420986 (0.2) 8.731 (0.07) 8.639420986
Proper motion (declination) [mas/yr] 36.75954883 (0.08) 36.58074996 (0.2) 36.76 (0.08) 36.58074996
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.50
V magnitude
R magnitude 17.40
I magnitude
J magnitude 17.11 (0.01) 16.81 (0.1)
H magnitude 16.98 (0.02)
K magnitude 16.96 (0.04)
u magnitude 18.32 (0.02) 18.32 (0.01) 18.32 (0.01)
g magnitude 17.86 (0.006) 17.86 (0.006)
r magnitude 17.72 (0.006) 17.72 (0.006)
i magnitude 17.71 (0.007) 17.71 (0.007)
z magnitude 17.98 (0.02) 17.98 (0.02)
G magnitude 17.64 (0.008) 17.66 17.64 17.64 (0.003) 17.66
BP magnitude 17.84 (0.008) 17.81 17.81
RP magnitude 17.35 (0.009) 17.35 17.35
Pan g magnitude 17.83 (0.005) 17.83 (0.006)
Pan r magnitude 17.68 (0.003) 17.68 (0.003)
Pan i magnitude 17.68 (0.005) 17.68 (0.004)
Pan z magnitude 17.74 (0.007) 17.74 (0.007)
Pan y magnitude 17.82 (0.01) 17.82 (0.01)
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.