47 Capricorni is a variable star located around 1,170[2] light years from the Sun in the southern constellation Capricornus,[7] near the northern border with Aquarius. It has the variable star designation of AG Capricorni and a Bayer designation of c2 Capricorni;[8] 47 Capricorni is the Flamsteed designation. This object is visible to the naked eye as a dim, red-hued point of light with an apparent visual magnitude that varies between 5.90 and 6.14. The star is receding from the Earth with a heliocentric radial velocity of +20 km/s.[6]
This is an aging red giant star with a stellar classification of M2III.[5] It is a semiregular variable star of subtype SRb with a period of 30.592 days and a maximum brightness of 5.9 magnitude.[4] With the supply of hydrogen at its core exhausted, the star has expanded to around 102[2] times the Sun's radius. It is radiating 1,940[2] times the luminosity of the Sun from its swollen photosphere at an effective temperature of 3,784 K.[2]
Lokasi Pengunjung: 3.144.41.48