WD 1441+559

All names: SDSS J144243.51+554614.3, SDSS J144243.50+554614.2, Gaia EDR3 1607546129351189888, Gaia DR2 1607546129351189888, J1442+5546, Gaia DR3 1607546129351189888, WD 1441+559, WDJ144243.48+554614.23

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 42 43.66 (0.1) 14 42 43.65 (0.2) 14 42 43.66 14 42 43.48 (0.1) 14 42 43.65 14 42 42.77
Declination 55 46 14.11 (0.1) 55 46 14.11 (0.2) 55 46 14.11 55 46 14.23 (0.1) 55 46 14.11 55 46 12.00
Spectral type DA DA DA DA DA: DA DA9.2
Effective temperature [K] 5290.0 (45) 5348.0 (43) 5291.0 (45) 5279.0 5343.0 (87)
log(g) [cgs] 8.13 (0.02) 8.19 (0.02) 8.15 (0.02) 8.14 8.17 (0.04)
Mass [M] 0.665 (0.02) 0.703 (0.02) 0.675 (0.02) 0.671 0.69 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 6.0400 5.8290
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] 14.87 (0.2) 15.04 (0.2) 15.04 (0.2) 14.87 14.87 (0.2) 15.04 (0.2)
Distance [pc] 67.23 (0.7) 66.49 (0.9) 66.50 (0.9) 67.23 67.23 (0.7) 66.50 (0.9)
Composition H H H
Proper motion (right ascension) [mas/yr] 90.01564667 (0.2) 90.06082223 (0.3) 90.016 (0.2) 90.06082223
Proper motion (declination) [mas/yr] -7.329644428 (0.2) -7.475005495 (0.3) -7.33 (0.2) -7.475005495
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.76 (0.04) 17.76 (0.04)
H magnitude 17.52 (0.04) 17.52 (0.04)
K magnitude 17.45 (0.07) 17.45 (0.07)
u magnitude 20.85 (0.08) 20.86 (0.08) 20.84 (0.1) 20.82
g magnitude 19.44 (0.01) 19.45 (0.01) 19.46
r magnitude 18.87 (0.01) 18.88 (0.01) 18.88
i magnitude 18.68 (0.01) 18.67 (0.01) 18.71
z magnitude 18.59 (0.04) 18.63 (0.05) 18.62
G magnitude 18.93 (0.03) 18.97 18.93 18.93 (0.003) 18.97
BP magnitude 19.40 (0.03) 19.34 19.34
RP magnitude 18.36 (0.02) 18.31 18.31
Pan g magnitude 19.40 (0.02) 19.40 (0.02)
Pan r magnitude 18.89 (0.006) 18.89 (0.005)
Pan i magnitude 18.68 (0.009) 18.68 (0.01)
Pan z magnitude 18.60 (0.009) 18.60 (0.008)
Pan y magnitude 18.58 (0.02) 18.58 (0.02)
E(B-V) 0.008

* 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.