It has an apparent magnitude of 1.25, which means that it is the 20th brightest star in the night sky. However its distance from the sun and luminosity are difficult to calculate, but it's distance is estimated to be approximately 2,600 light years away. It is thought to be between 55,000 and 196,000 times as luminous as the Sun.
Deneb is a blue supergiant that is 203 times larger than the Sun.
References[change | change source]
- "IAU Catalog of Star Names". Retrieved 28 July 2016. CS1 maint: discouraged parameter (link)
- Przybilla, N.; Schiller, F. (1 March 2008). "Quantitative spectroscopy of Deneb". Astronomy & Astrophysics. 479 (3): 849–858. doi:10.1051/0004-6361:20078590 – via www.aanda.org.
- "Deneb". stars.astro.illinois.edu.