WD 1444+592

All names: Gaia DR3 1617019796414240000, SDSS J144614.00+590216.6, SDSS J144613.99+590216.6, WD 1444+592, Gaia DR2 1617019796414240000, Gaia EDR3 1617019796414240000, SDSS J144614.00+590216.7, GALEX J144613.9+590216

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 46 14.02 (0.4) 14 46 14.00 14 46 14.02 (0.6) 14 46 14.00 14 46 14.00 (0.4) 14 46 14.00 14 46 13.85 14 46 14.00
Declination 59 02 16.56 (0.4) 59 02 16.70 59 02 16.57 (0.6) 59 02 16.69 59 02 16.64 (0.4) 59 02 16.70 59 02 10.32 59 02 16.73
Spectral type DAH DA DA DAH DAH DAH DAH DAH DAH
Effective temperature [K] 12169.2 (418) 10594.0 12500.0 15755.0 (424) 15794.0 (569)
log(g) [cgs] 7.93 (0.2) 7.72 8.00 (0) 8.98 (0.03) 9.11 (0.2)
Mass [M] 0.566283944476494 (0.2) 0.451
log(Luminosity) [L]
Cooling age [Gyr] 0.3690
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] 2.34 (0.4) 1.98 (0.6) 2.34 (0.4)
Distance [pc] 426.74 (72) 505.76 (151) 426.75 (72)
Composition H H
Proper motion (right ascension) [mas/yr] 7.904445812 (0.5) 6.272519667 (1) 7.904 (0.5) 20.5
Proper motion (declination) [mas/yr] -4.987002515 (0.5) -3.636888977 (1) -4.987 (0.5) -8.1
Variability
Magnetic yes yes yes yes yes
Bd [MG] 3.9963628367273145 4.42 (4) 4.42 (4)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.48 (0.06) 20.48 (0.06) 20.54 (0.07) 20.55 20.56 (0.07)
g magnitude 20.10 (0.02) 20.10 (0.02) 20.10 (0.02) 20.11 20.11 (0.02)
r magnitude 20.27 (0.03) 20.27 (0.03) 20.31 (0.03) 20.31 20.31 (0.03)
i magnitude 20.38 (0.05) 20.38 (0.05) 20.45 (0.04) 20.44 20.46 (0.04)
z magnitude 20.58 (0.2) 20.58 (0.2) 20.60 (0.2) 20.59 20.62 (0.2)
G magnitude 20.19 (0.08) 20.25 20.19 (0.006)
BP magnitude 20.06 (0.08) 19.91
RP magnitude 20.06 (0.09) 20.04
Pan g magnitude 20.11 (0.03)
Pan r magnitude 20.26 (0.03)
Pan i magnitude 20.46 (0.02)
Pan z magnitude 20.64 (0.07)
Pan y magnitude
E(B-V) 0.020

* 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.