SDSS J144129.73+383854.5

All names: Gaia DR2 1487087896019472640, Gaia DR3 1487087896019472640, Gaia EDR3 1487087896019472640, SDSS J144129.73+383854.6, WD 1439+388, GALEX J144129.7+383854, SDSS J144129.73+383854.5

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 Vincent et al. 2023
Right ascension 14 41 29.71 (0.2) 14 41 29.73 14 41 29.71 (0.3) 14 41 29.73 (0.2) 14 41 29.73 14 41 29.21 14 41 29.73
Declination 38 38 54.67 (0.3) 38 38 54.60 38 38 54.67 (0.3) 38 38 54.70 (0.3) 38 38 54.58 38 38 49.92 38 38 54.57
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 15537.0 15027.0 (529) 15394.0 (550)
log(g) [cgs] 8.27 7.90 (0.1) 7.98 (0.2)
Mass [M☉] 0.78 0.602 (0.09)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.2747
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] 2.19 (0.4) 2.14 (0.5) 2.19 (0.4)
Distance [pc] 456.47 (74) 466.31 (98) 456.48 (74)
Composition H
Proper motion (right ascension) [mas/yr] -17.77794749 (0.3) -18.38106667 (0.6) -17.778 (0.3) -14.1
Proper motion (declination) [mas/yr] -1.828191273 (0.4) -3.084808455 (0.7) -1.828 (0.4) -1.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.11 (0.04) 20.11 (0.04) 20.11 (0.05) 20.10 20.11 (0.05)
g magnitude 19.82 (0.02) 19.82 (0.01) 19.86 (0.02) 19.86 19.84 (0.02)
r magnitude 20.13 (0.02) 20.13 (0.03) 20.16 (0.03) 20.16 20.15 (0.03)
i magnitude 20.33 (0.04) 20.33 (0.04) 20.34 (0.04) 20.35 20.34 (0.04)
z magnitude 20.60 (0.2) 20.60 (0.2) 20.61 (0.2) 20.61 20.59 (0.1)
G magnitude 20.01 (0.05) 20.08 20.01 (0.005)
BP magnitude 20.05 (0.05) 19.96
RP magnitude 20.04 (0.07) 19.95
Pan g magnitude 19.87 (0.007)
Pan r magnitude 20.15 (0.01)
Pan i magnitude 20.45 (0.02)
Pan z magnitude 20.65 (0.02)
Pan y magnitude 20.62 (0.2)
E(B-V) 0.022

* 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.