R Ursae Minoris Explained
R Ursae Minoris is a star in the constellation Ursa Minor. A red giant of spectral type M7IIIe, it is a semiregular variable ranging from magnitude 8.5 to 11.5 over a period of 325 days.[1]
Notes and References
- Web site: RR Ursae Minoris . Watson, Christopher . 4 January 2010 . AAVSO Website. American Association of Variable Star Observers. 10 March 2015.