Beta Circini, Latinisation of names, Latinized from β Circini, is an A-type star, A-type main sequence star and is the second-brightest star in the constellation of Circinus. It has an apparent visual magnitude of approximately 4.069, which is bright enough to be viewed with the naked eye. Based upon an annual stellar parallax, parallax shift of 35.17 milliarcsecond, mas as seen from the Earth, it is located about 93 light years from the Sun. With a stellar classification of A3 Va, this is an A-type main-sequence star. It is between 370 and 500 million years old with around 1.3 times the Sun's radius. The star is radiating 19 times the Sun's luminosity from its photosphere at an effective temperature of 8,676 K. It has one known sub-stellar companion.

Planetary System

Beta Circini b is a distant brown dwarf companion orbiting the host star at a distance of 6,656 Astronomical Unit, AU. It has a surface temperature of 2,084.0 Kelvin, K. Its mass was estimated using the Spectrum method which concluded that the object has a mass of .

References

{{DEFAULTSORT:Beta Circini A-type main-sequence stars Circinus (constellation) Bayer objects, Circini, Beta Durchmusterung objects, PD-58 05875 Gliese and GJ objects Henry Draper Catalogue objects, 135379 Hipparcos objects, 074824 Bright Star Catalogue objects, 5670