Astronomy and Space

Alpha Circini

Alpha Circini is a variable star in the faint, southern, circumpolar constellation of Circinus. It has the proper name Xami; Alpha Circini is its Bayer designation, which is Latinized from α Circini and abbreviated Alpha Cir or α Cir. At an apparent visual magnitude of 3.19, it is the brightest star in the constellation and can be readily seen with the naked eye from the southern hemisphere to as far north as 25° north latitude. Parallax measurements of this star yield an estimated distance of 54.0 light-years (16.6 parsecs) from the Earth. There is a K dwarf companion star, Alpha Circini B.

Also on this shelf

See also

• ▸Dust astronomy
• ▸Alessandro Sebastiani
• ▸Asteroid Redirect Mission

Uncatalogued shelf

Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.