WD 0945+001B

All names: SDSS_J094822.01-000438.4, SDSS J094822.02-000438.4, SDSS J094822.02-000438.5, Gaia DR2 3834024740004295808, PSO J094822.016+000438.467

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Harris et al. 2003 SDSS DR12 Eisenstein et al. 2006 Kleinman et al. 2013 Kleinman et al. 2004
Right ascension 09 48 22.01 (1) 09 48 22.02 09 48 22.02 09 48 22.02 09 48 22.02
Declination -00 04 38.50 (0.8) -00 04 38.45 -00 04 38.47 -00 04 38.45 -00 04 38.46
Spectral type DA4 DA4 DA DA
Effective temperature [K] 13857.0 14027.0 (675) 13556.0 (627) 14082.0 (665)
log(g) [cgs] 7.91 7.55 (0.2) 7.56 (0.2) 7.57 (0.2)
Mass [M] 0.5579999999999999
log(Luminosity) [L]
Cooling age [Gyr] 0.2189
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] 1.75 (1)
Distance [pc] 570.24 (448)
Composition H
Proper motion (right ascension) [mas/yr] -6.144091158 (1) -0.5 -2.0
Proper motion (declination) [mas/yr] -1.570252483 (1) -5.9 -5.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.48 20.45 (0.05) 20.48 (0.05) 20.47 (0.05) 20.48 (0.05)
g magnitude 20.06 20.04 (0.02) 20.07 (0.02) 20.06 (0.02) 20.06 (0.02)
r magnitude 20.33 20.30 (0.03) 20.33 (0.03) 20.33 (0.03) 20.33 (0.03)
i magnitude 20.55 20.50 (0.04) 20.55 (0.05) 20.56 (0.05) 20.55 (0.05)
z magnitude 21.09 21.08 (0.3) 21.09 (0.3) 21.09 (0.2) 21.09 (0.2)
G magnitude 20.30
BP magnitude 20.32
RP magnitude 20.30
Pan g magnitude 20.12 (0.01)
Pan r magnitude 20.28 (0.02)
Pan i magnitude 20.57 (0.03)
Pan z magnitude 20.65 (0.06)
Pan y magnitude

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.