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 Ross 154 Photo: ESO Online Digitized Sky Survey A nearby red dwarf. Ross 154, also known as V1216 Sagittarii, lies in the eastern part of the constellation Sagittarius, northeast of Kaus Borealis (Lambda Sagittarii) at a distance of only 9.7 light-years (3.0 pc). It was discovered in 1925 by Frank Elmore Ross who first reported it in his "Second List of New Proper-Motion Stars," Astronomical Journal (36:856). Its closest neighbour is Barnard's Star, 5.41 light-years (1.66 pc) away. Visual magnitude 10.44 Absolute magnitude 13.08 Spectral type M3.5 Luminosity 0.0005 Lsun Surface temperature 2,700 Ksun Radius 0.24 Rsun Mass 0.17 Msun Distance 9.693 light-years (2.96 pc) Position R.A. 18h 49m 49.4s, Dec. -23° 50' 10" Other designations GCTP 4338, GJ 729, LHS 3414, AC-24 2833-183, HIP 92403 Related entry    • nearest stars 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