SDSS J144408.75+024327.8

All names: WD 1441+029, Gaia DR2 3655669213651514112, SDSS J144408.75+024327.8, SDSS J144408.76+024327.7, Gaia DR3 3655669213651514112, GALEX J144408.7+024328, Gaia EDR3 3655669213651514112, SDSS J144408.76+024327.8

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) Vincent et al. 2023
Right ascension 14 44 08.73 (0.3) 14 44 08.76 14 44 08.73 (0.3) 14 44 08.76 (0.3) 14 44 08.75 14 44 08.62
Declination 02 43 27.84 (0.3) 02 43 27.86 02 43 27.84 (0.3) 02 43 27.86 (0.3) 02 43 27.85 02 43 26.40
Spectral type DA: DA DA: DA: DA
Effective temperature [K] 7620.0 7296.0 (93)
log(g) [cgs] 7.27 8.85 (0.2)
Mass [M] 0.27
log(Luminosity) [L]
Cooling age [Gyr] 0.5980
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] 3.92 (0.3) 3.65 (0.4) 3.92 (0.3)
Distance [pc] 254.79 (20) 274.29 (28) 254.80 (20)
Composition H
Proper motion (right ascension) [mas/yr] -25.38837828 (0.4) -25.89141229 (0.7) -25.388 (0.4) -3.6
Proper motion (declination) [mas/yr] -1.266257045 (0.4) -1.429983474 (0.6) -1.266 (0.4) 3.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.88 (0.04) 19.88 (0.04) 19.85 (0.04) 19.84
g magnitude 19.44 (0.01) 19.44 (0.01) 19.46 (0.02) 19.45
r magnitude 19.40 (0.02) 19.40 (0.01) 19.41 (0.02) 19.40
i magnitude 19.40 (0.02) 19.40 (0.02) 19.41 (0.03) 19.40
z magnitude 19.66 (0.09) 19.66 (0.09) 19.68 (0.09) 19.67
G magnitude 19.34 (0.06) 19.39 19.34 (0.004)
BP magnitude 19.46 (0.06) 19.38
RP magnitude 19.21 (0.08) 18.98
Pan g magnitude 19.47 (0.008)
Pan r magnitude 19.41 (0.008)
Pan i magnitude 19.44 (0.02)
Pan z magnitude 19.48 (0.02)
Pan y magnitude 19.51 (0.02)
E(B-V) 0.032

* 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.