WD 0806-661

Planetary system · 62.8 light-years away

WD 0806-661 is 62.8 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this DQ star; the first was found in 2011 by imaging (Spitzer Space Telescope).

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Worth knowing

WD 0806-661 b was photographed directly: it is one of the few exoplanets seen as its own point of light rather than inferred from its star.

Where the archive gives only a period or only an orbit size, the other is worked out from Kepler’s third law with the star’s mass.

The star

Spectral typeDQ
Surface temperature10,393 K
Mass0.605 solar masses
Apparent magnitude13.855
Ageabout 1.6 billion years
Distance from the Sun62.8 light-years (19.2 parsecs)
Position (J2000)RA 121.7276°, Dec -66.3059°
ConstellationVolans

Planets (1)

PlanetYearOrbitRadiusMassFound
WD 0806-661 b160711.8 years from Kepler’s law2500.000 AU12.106 R⊕2224.8 M⊕Imaging, 2011

Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.

Sources

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