WD 2242+383

All names: WDJ224431.68+383503.60, EGGR 552, WD 2242+383, Gaia DR2 1929002200706278144, Gaia EDR3 1929002200706278144, LP 288-50, NLTT 54725, Gaia DR3 1929002200706278144, USNO-B1.0 1285-00506188, LSPM J2244+3835, J2244+3835

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 22 44 31.86 (0.1) 22 44 31.86 (0.2) 22 44 31.86 22 44 31.68 (0.1) 22 44 31.86 22 44 31.37
Declination 38 35 08.09 (0.1) 38 35 07.95 (0.2) 38 35 08.09 38 35 03.61 (0.1) 38 35 07.95 38 34 46.56
Spectral type DC DC DC DC: DC DC
Effective temperature [K] 4994.0 (34) 4962.0 4645.0 4978.0 (62)
log(g) [cgs] 7.95 (0.03) 7.92 7.70 7.94 (0.04)
Mass [M] 0.55 (0.02) 0.534 0.403 0.546 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 5.3100 4.9440 3.7660
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] 15.28 (0.2) 15.19 (0.3) 15.19 (0.3) 15.28 15.28 (0.2) 15.19 (0.3)
Distance [pc] 65.44 (0.9) 65.83 (1) 65.83 (1) 65.44 65.44 (0.9) 65.83 (1)
Composition H
Proper motion (right ascension) [mas/yr] 136.2507565 (0.2) 136.3275707 (0.3) 136.251 (0.2) 136.3275707
Proper motion (declination) [mas/yr] 280.1217401 (0.2) 280.4495974 (0.4) 280.122 (0.2) 280.4495974
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.00
V magnitude
R magnitude 19.10
I magnitude
J magnitude 17.60 (0.04)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.89 (0.03) 18.92 18.89 18.89 (0.003) 18.92
BP magnitude 19.44 (0.03) 19.48 19.48
RP magnitude 18.27 (0.01) 18.26 18.26
Pan g magnitude 19.52 (0.01) 19.49 (0.01)
Pan r magnitude 18.87 (0.005) 18.86 (0.008)
Pan i magnitude 18.60 (0.008) 18.60 (0.007)
Pan z magnitude 18.50 (0.02) 18.51 (0.01)
Pan y magnitude 18.47 (0.03) 18.49 (0.06)
E(B-V) 0.009

* 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.