- Beta Trianguli Australis (Wikipedia)
Beta Trianguli Australis, Latinized from β Trianguli Australis, is a double star in the southern constellation of Triangulum Australe. It is approximately 40.37 light-years (12.38 parsecs) from Earth and has an apparent visual magnitude of +2.85. This star has a relatively high rate of proper motion across the celestial sphere. It is a F-type main-sequence star with a stellar classification of F1 V. Beta TrA has a 14th magnitude optical companion at an angular separation of 155 arcseconds.
- Fomalhaut (stars.astro.illinois.edu)
FOMALHAUT (Alpha Piscis Austrinus). This wonderful first magnitude (1.16, ranking 18th) star of northern-hemisphere autumn, usually pronounced “fo-ma-low,” slides slowly in lonely grandeur above the southern horizon (as seen from the north) during the months of October and November.
- Fomalhaut (Wikipedia)
Fomalhaut (UK: /ˈfɒməloʊt/, US: /ˈfoʊməlhɔːt/) is the brightest star in the southern constellation of Piscis Austrinus, the Southern Fish, and one of the brightest stars in the night sky. It has the Bayer designation Alpha Piscis Austrini, which is an alternative form of α Piscis Austrini, and is abbreviated Alpha PsA or α PsA. This is a class A star on the main sequence approximately 25 light-years (7.7 pc) from the Sun as measured by the Hipparcos astrometry satellite. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified.
