Eta Antliae

Eta Antliae (η Ant / η Antliae) is a binary star in the constellation Antlia. It is approximately 106 light years from Earth. The primary component, η Antliae A, is a yellow-white F-type giant with an apparent magnitude of +5.23. Its companion, η Antliae B, is 31 arcseconds away and has an apparent magnitude of +11.3.

Astronomy

Constellation

Antlia

Antlia (from Ancient Greek ἀντλία) is a constellation in the southern sky. Its name means "pump" and it specifically represents an air pump. The stars comprising Antlia are faint, and the constellation was not created until the eighteenth century. Beginning at the north, Antlia is bordered by Hydra...
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    Alpha Antliae (Alpha Ant / α Antliae / α Ant) is the brightest star in the constellation of Antlia but it has not been given a proper name. It is a K-type giant star and has an apparent visual magnitude which varies between 4.22 and 4.29. It is approximately 370 light-years from the Earth.
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    The pulsar PSR B0950+08 seems to have come from a supernova that occurred in Antlia 1.8 million years ago. The remnant of this supernova may be the nearest besides the Local Bubble, and the supernova would have been as bright as the moon.
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    Den 1048-3956 is a brown dwarf star 13.17 light years from Earth in the constellation Antlia, among the closer stars to Earth. The star is rather dim with a magnitude of 17.39.
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    U Antliae (U Ant) is a star in the constellation Antlia. U Antliae is a red C-type carbon star and is an irregular variable star. Its brightness varies by 1.6 magnitudes. It is approximately 836 light years from Earth.
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