Back to Blog
Nodus 1.8.35/8/2023 Thuban is a white giant star of spectral class A0III, indicating similarities to Vega in temperature and spectrum, but more luminous and massive. Thuban’s companion star has 2.6 solar masses or 260% of our Sun’s mass. Based upon its radius, Thuban should be around six times, or more, bigger than our Sun. Thuban has 2.8 solar masses, or 280% of the Sun’s mass, and a radius of 3.4 solar radii, or 340% of the Sun’s radius. The primary component star is both more massive and several times bigger than our Sun. Thuban is located at around 303 light-years / 93 parsecs away from the Sun. However, it has ceased hydrogen fusion in its core, and it is no longer in the main-sequence. Gravity pulled the swirling dust and gas together and formed the now dethroned pole star.īased upon it metallicity, the interstellar medium from which Thuban formed, was somewhat metal-poor. Thuban formed from an interstellar medium of dust and gas. Designations don’t always denote a star’s position, in terms of brightness. Though it bears the designation Alpha, Thuban is not the brightest star in its constellation. This name was approved by the IAU in 2016. The name is of Arabic origin and it denotes a giant snake. Thuban / Alpha Draconis is named after the Dragon’s tail since this is its position in the constellation of Draco, it bore the name Adib.
0 Comments
Read More
Leave a Reply. |