BD+00 316, also known as WASP-71 since 2019, is an F-class

main sequence In astronomy, the main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness. These color-magnitude plots are known as Hertzsprung–Russell diagrams after their co-developers, Ejnar Her ...

star A star is an astronomical object comprising a luminous spheroid of plasma held together by its gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night, but their immense distances from Earth make ...

about 1200 light-years away. The star is younger than the Sun at approximately 3.6 billion years, yet is already close to leaving the

. BD+00 316 is enriched in heavy elements, having 140% of the solar abundance of iron. Imaging surveys in 2015 and 2020 failed to find any stellar companions for BD+00 316. The star was named Mpingo by

Tanzanian Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and ...

amateur astronomers in 2020 as part of the

NameExoWorlds NameExoWorlds (also known as IAU NameExoWorlds) is the name of various projects managed by the International Astronomical Union (I.A.U.) to encourage names to be submitted for astronomical objects, which would later be considered for official ad ...

contest, after the mpingo tree (''

Dalbergia melanoxylon ''Dalbergia melanoxylon'' (African blackwood, grenadilla, or mpingo) is a flowering plant in the family Fabaceae, native to seasonally dry regions of Africa from Senegal east to Eritrea and south to the north-eastern parts of South Africa. The ...

'') whose wood is a type of

ebony Ebony is a dense black/brown hardwood, coming from several species in the genus '' Diospyros'', which also contains the persimmons. Unlike most woods, ebony is dense enough to sink in water. It is finely textured and has a mirror finish when ...

used in musical instruments.

Planetary system

In 2012 a transiting

superjovian A super-Jupiter is a gas giant exoplanet that is more massive than the planet Jupiter. For example, companions at the planet–brown dwarf borderline have been called super-Jupiters, such as around the star Kappa Andromedae. By 2011 there were ...

planet b was detected on a tight, circular orbit. The planetary orbit is well aligned with the equatorial plane of the star, the misalignment angle being equal to −1.9°. Its equilibrium temperature is 2016.1 K. The planet was named ''Tanzanite'' by

amateur astronomers in 2020 as part of the

contest, after the mineral also known as

tanzanite Tanzanite is the blue and violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate), caused by small amounts of vanadium. Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Simanjiro District o ...

.The IAU announces names for WASP exoplanets
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References

Cetus F-type main-sequence stars Planetary systems with one confirmed planet Planetary transit variables J01570320+0045318 Durchmusterung objects Mpingo {{extrasolar-planet-stub