SDSS J204626.15-071037.0

All names: WD 2043-073, SDSS J204626.15-071037.0, SDSS J204626.15-071036.9, PSO J204626.202-071037.095, Gaia DR2 6907031749613795968, WDJ204626.15-071036.88

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Ferrario et al. 2015 Kulebi et al. 2009 Harris et al. 2003 SDSS DR12 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 20 46 26.22 (0.1) 20 46 26.15 20 46 26.15 20 46 26.15 20 46 26.22 20 46 26.18 20 46 26.15
Declination -07 10 37.28 (0.09) -07 10 36.98 -07 10 36.94 -07 10 36.98 -07 10 37.28 -07 10 34.68 -07 10 36.98
Spectral type DA DA DAH DAH DAH DAH DAH
Effective temperature [K] 8493.0 8000.0 9385.0 (49)
log(g) [cgs] 8.30 8.00 (0) 9.19 (0.06)
Mass [M] 0.7879999999999999
log(Luminosity) [L]
Cooling age [Gyr] 1.4870
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] 11.63 (0.2) 11.63 (0.2)
Distance [pc] 86.01 (1) 86.01 (1)
Composition H H
Proper motion (right ascension) [mas/yr] 65.4265442905 (0.2) 5.0 65.4265442905
Proper motion (declination) [mas/yr] -25.4039371236 (0.2) -3.0 -25.4039371236
Variability
Magnetic yes yes yes yes
Bd [MG] 2.03 2.03 (0)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.33 18.29 (0.01) 18.29 18.26 (0.01) 18.32 18.29 (0.02)
g magnitude 17.99 17.92 (0.006) 17.95 17.91 (0.006) 17.99 17.95 (0.02)
r magnitude 17.90 17.89 (0.007) 17.88 17.91 (0.007) 17.90 17.88 (0.01)
i magnitude 17.96 17.94 (0.008) 17.94 17.95 (0.008) 17.95 17.94 (0.01)
z magnitude 18.02 17.99 (0.02) 17.99 18.06 (0.03) 18.02 17.99 (0.03)
G magnitude 17.88 17.88
BP magnitude 17.98 17.98
RP magnitude 17.66 17.66
Pan g magnitude 17.95 (0.01)
Pan r magnitude 17.92 (0.007)
Pan i magnitude 17.98 (0.004)
Pan z magnitude 18.09 (0.008)
Pan y magnitude 18.18 (0.02)

* 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.