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HATS-70
A-type main-sequence star From Wikipedia, the free encyclopedia
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HATS-70 is a single star in the constellation of Canis Major at a distance of approximately 4,350 light-years (1,330 parsecs) from the Sun. The apparent magnitude of the star is +12.23, meaning it is much too faint to be visible to the naked eye. The age of the star is about 810 million years and it has one planet in its orbit.
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Characteristics
HATS-70 is an A-type main-sequence star, with a mass 1.78 times larger than the Sun's mass, 1.88 times the radius, and 12 times the luminosity. It has an effective temperature of 7,930 K (7,660 °C; 13,810 °F). It is a rapidly rotating star with measurable oblateness.[4]
Planetary system
In 2018, a group of astronomers working as part of the HATSouth project announced the discovery of a massive planet or brown dwarf around this star, HATS-70b. This object's mass is close to the deuterium fusion limit, and the discovery paper refers to it as a brown dwarf. It is in a close orbit with a period of less than two days, with an obliquity of 13.2°+6.4°
−5.9° (or 160.4°+5.4°
−5.2°) to the star's equator.[4]
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References
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