WD 1441+024

All names: Gaia EDR3 3655451029312411904, Gaia DR3 3655451029312411904, SDSS J144355.47+021503.1, Gaia DR2 3655451029312411904, WD 1441+024, SDSS J144355.47+021503.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 14 43 55.47 (0.3) 14 43 55.47 14 43 55.47 (0.4) 14 43 55.47 (0.3) 14 43 55.47 14 43 54.98 14 43 55.47 14 43 55.47
Declination 02 15 03.50 (0.4) 02 15 03.28 02 15 03.49 (0.5) 02 15 03.23 (0.4) 02 15 03.26 02 15 01.80 02 15 03.19 02 15 03.20
Spectral type DA DA DA DA3.8 DA DA
Effective temperature [K] 12667.0 13201.0 (411) 13060.0 (437) 13295.0 (438)
log(g) [cgs] 8.22 7.85 (0.1) 7.86 (0.1) 7.89 (0.1)
Mass [M] 0.743 0.536 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.4457
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] 2.88 (0.4) 3.21 (0.6) 2.88 (0.4)
Distance [pc] 347.70 (53) 311.51 (54) 347.69 (53)
Composition H
Proper motion (right ascension) [mas/yr] 1.978090934 (0.4) 2.260387642 (0.9) 1.978 (0.4) 12.4 13.0
Proper motion (declination) [mas/yr] 16.77562917 (0.5) 16.54309292 (1) 16.776 (0.5) 18.0 15.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.75 (0.04) 19.75 (0.04) 19.79 (0.04) 19.74 19.77 (0.04) 19.74 (0.04)
g magnitude 19.30 (0.01) 19.30 (0.01) 19.33 (0.02) 19.33 19.31 (0.02) 19.33 (0.02)
r magnitude 19.51 (0.02) 19.51 (0.02) 19.53 (0.02) 19.52 19.52 (0.02) 19.52 (0.02)
i magnitude 19.72 (0.03) 19.72 (0.03) 19.73 (0.03) 19.73 19.72 (0.03) 19.73 (0.03)
z magnitude 19.96 (0.1) 19.96 (0.1) 19.95 (0.1) 19.97 19.95 (0.1) 19.97 (0.1)
G magnitude 19.39 (0.03) 19.44 19.39 (0.006)
BP magnitude 19.42 (0.03) 19.39
RP magnitude 19.58 (0.07) 19.25
Pan g magnitude 19.30 (0.007)
Pan r magnitude 19.52 (0.02)
Pan i magnitude 19.72 (0.01)
Pan z magnitude 19.96 (0.02)
Pan y magnitude 20.01 (0.1)
E(B-V) 0.035

* 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.