red star
It is a G-type giant star.
Beta and Alpha Herculis are both 2nd Magnitude (2.78) stars
Heze, also known as Alpha Herculis, is a binary star system with an effective temperature of approximately 4,500 Kelvin. This temperature classifies it as a K-type giant star, which emits a reddish hue. The companion star in the system is of a different type, but the primary star's temperature is the most relevant when discussing Heze.
Some well-known stars in the constellation Hercules include Rasalgethi (Alpha Herculis), Kornephoros (Beta Herculis), and Sarin (Delta Herculis).
Zeta Herculis is a binary star system in the constellation Hercules.It has a class of G0V which means it is similar to our Sun but is moving away from the main sequence.It's companion star is a class K0V
Delta Herculis (Sarin) is a star in the constellation Hercules.It is a type A3V star and will have a temperature of between7,500oK and 10,000oK
Beta Herculis is actually a binary system. The main star, of the two, is yellow.
The main stars in the Hercules constellation include Alpha Herculis (Rasalgethi), Beta Herculis (Kornephoros), Delta Herculis (Sarin), and Zeta Herculis (Heze). These stars are among the brightest in the constellation and help in forming the shape associated with the mythical hero Hercules.
There is no "star alpha". Alpha is PART of the name of many stars - basically one for each constellation.
It is called Herculis
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.
The constellation Hercules contains several notable stars, including Alpha Herculis (Rasalgethi), Beta Herculis (Kornephoros), and Gamma Herculis (Muzahid). Other prominent stars in this constellation include Delta Herculis (Zeta Herculis), Epsilon Herculis, and Zeta Herculis. The full list of stars recognized in Hercules often includes 22 main stars, but their names can vary depending on different catalogs and sources. Overall, Hercules is home to a mix of bright stars and deep-sky objects, making it a fascinating area for stargazing.