Considered a binary, possibly quintuplet, star system Alpha Librae has two bright main stars. The brighter of the two is a dwarf star of spectral type A3 and its companion is a yellow-white dwarf of spectral type F4.
It is a G-type star.
Alpha Librae is the second brightest star in the constellation Libra.It has an absolute magnitude of +3.28It has an apparent magnitude of +5.15
reddish
The main stars in the constellation Libra include Zubeneschamali (Beta Librae), Zubenelgenubi (Alpha Librae), and Zubenelhakrabi (Gamma Librae). These stars form part of Libra's distinctive scale-like pattern.
Alpha Librae has a temperature of around 9,600 K, Gamma Librae has a temperature of around 5,000 K, and Sigma Librae has a temperature of around 6,000 K. Gamma Librae appears white in color, while Sigma Librae appears yellow-orange.
Upsilon Librae is a binary star system located in the constellation Libra. The primary component is a G-type giant star, while the secondary is a smaller, cooler star. Upsilon Librae is notable for its relatively high luminosity and is approximately 40 light-years away from Earth.
The alpha star of the constellation Libra is Alpha Librae, also known as Zubenelgenubi. It is located approximately 75 light-years away from Earth. As a member of Libra, it serves as one of the key stars in the constellation, which is positioned in the southern sky and represents the scales of balance.
There are 83 stars within the constellation, which have an apparent magnitude of 6.5 of brighter. The three brightest stars are:Beta Librae = Zubeneschamali Alpha Librae = Zubenelgenubi Gamma Librae = Zubenelakrab.
red star
There is no "star alpha". Alpha is PART of the name of many stars - basically one for each constellation.
There is no star that is simply called "Alpha". There are several that have "alpha" in their name, for example Alpha Centauri, Alpha Cruxis, Alpha Canis Majoris, etc. - usually the brightest star in each constellation. Some stars such as Betelgeuse (Alpha Orionis) are not actually the brightest star in the constellation.
Aldebaran, Taurus's alpha star, is a red giant.