What is the fifth star in Capricorn constellation?

Answer 1

Capricornus, or the horned goat, is made out of many stars and clusters,

Here is a list of some of the most prominent stars and clusters of Capricornus:

• alpha-2 Capricorni, beta Capricorni and omega Capricorni form a distinctive triangle
  
• delta Capricorni - makes up the tail and is the brightest star of the constellation
• beta Capricorni - is a multi star and is the second brightest in the constellation, contains beta-1 Capricorni which is an orange bright giant and beta-2 Capricorni which is a binary star
  
• omega Capricorni - is a red giant star on the belly
  
• Messier 30 - is a star cluster which is on the bottom towards the tail

Answer 2

The fifth brightest star in the constellation, with a visible magnitude of 3.77, is Zeta Capricorni. It is actually a binary star, with primary component Zeta Capricorni A being a yellow G-type giant with an apparent magnitude of 3.77. Its companion, Zeta Capricorni B is a white dwarf.