SDSS J142844.58+143425.6

All names: Gaia DR3 1228185313206709248, SDSS J142844.58+143425.6, Gaia EDR3 1228185313206709248, Gaia DR2 1228185313206709248, GALEX J142844.6+143425

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 28 44.57 (0.1) 14 28 44.58 14 28 44.57 (0.2) 14 28 44.57 14 28 44.59 (0.1) 14 28 44.58
Declination 14 34 25.73 (0.1) 14 34 25.64 14 34 25.72 (0.2) 14 34 25.73 14 34 25.51 (0.1) 14 34 25.60
Spectral type DA DA DA DA DA
Effective temperature [K] 8038.0 8330.0 (235) 8230.0 (47)
log(g) [cgs] 7.95 8.01 (0.06) 7.93 (0.1)
Mass [M] 0.568 0.6 (0.05) 0.559 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.9952
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] 7.58 (0.2) 7.74 (0.2) 7.58 7.58 (0.2)
Distance [pc] 131.88 (3) 129.15 (4) 131.88 131.88 (3)
Composition H
Proper motion (right ascension) [mas/yr] -21.93262374 (0.2) -21.73280867 (0.4) -21.933 (0.2)
Proper motion (declination) [mas/yr] 13.34169295 (0.2) 13.68051028 (0.4) 13.342 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.97 (0.02) 18.97 (0.02) 18.93 (0.03)
g magnitude 18.51 (0.007) 18.51 (0.007) 18.52 (0.02)
r magnitude 18.47 (0.008) 18.47 (0.008) 18.46 (0.01)
i magnitude 18.52 (0.01) 18.52 (0.01) 18.52 (0.01)
z magnitude 18.66 (0.03) 18.66 (0.03) 18.64 (0.04)
G magnitude 18.41 (0.02) 18.45 18.41 18.41 (0.003)
BP magnitude 18.56 (0.02) 18.56
RP magnitude 18.23 (0.03) 18.23
Pan g magnitude 18.53 (0.006)
Pan r magnitude 18.47 (0.003)
Pan i magnitude 18.50 (0.005)
Pan z magnitude 18.61 (0.009)
Pan y magnitude 18.66 (0.009)
E(B-V) 0.013

* 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.