NOTABLE STARS A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site HE0107-5240 HE0107-5240. Credit: NASA The second most metal-poor star known. It has a metallicity of less than -5.0 and a corresponding iron content that is some 200,000 times less than that of the Sun. On this basis, it is the second oldest known star in the Milky Way Galaxy with an estimated age of about 12 billion years. HE1327-2326 lies in the constellation Phoenix (RA 01h 09m 29.1s, Dec. -52° 24' 20") at a distance of 36,000 light-years. It has about four-fifths the mass of the Sun and a visual magnitude of 15.9. Reference Christlieb, N., Bessell, M. S., Gustafsson, B., Korn, A., Barklem, P. S., Karisson T., Mizuno-Wiedner M., and Rossi, S. "A stellar relic from the early Milky Way," Nature, 419, 904-906 (2002). Related entry    • HE1327-2326 Related category    • NOTABLE STARS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP