This is not a letter. It's not an English word, either. I think you should check your spelling or ask someone what word they said that you thought was spelled "eltanin."
Neither - Eltanin is a K type star
Gamma Draconis (Eltanin and Etamin) is a star in the constellation Draco.It is an orange giant of spectral type K5
Eltanin is an orange giant of spectral type K5
Gamma Draconis (Eltanin) is a star in the constellation Draco.It has an apparent magnitude of +2.24It has an absolute magnitude of -1.04
It's a giant red star.
Gamma Draconis, also known as Etamin or Eltanin.
About 154 light-years.
3,930 degrees kelvin. one of the coolest/coldest stars in the constellation
Eltanin (sometimes called Etamin), Rastaban and Thuban
The surface temperature of the star Eltanin is approximately 5450 degrees Celsius. It is classified as a K-type giant star and is located around 64 light-years away from Earth in the constellation Draco.
The mass of Gamma Draconis (Eltanin) is listed in Wikipedia as 1.7 times the mass of our Sun. That is a fairly high mass (even our Sun is in the top 10 percentile, according to mass), although much more massive stars do exist.
The brightest star in Draco is Eltanin (Gamma Draconis), with an apparent visual magnitude of 2.24. [See Link]