Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 64. Chapters: Alpha Centauri, Barnard's Star, Proxima Centauri, Lalande 21185, Wolf 359, Single X-ray star, Gliese 581, Gliese 876, Coronal star, X-ray dark star, AU Microscopii, AD Leonis, Gliese 436, Ross 248, Gliese 752, HD 189733, Gamma Cephei, VB 10, AT Microscopii, Ross 154, Gliese 1, Ross 128, Luyten 726-8, HD 38529, Kapteyn's Star, Tau Bootis, Gliese 570, Ross 614, Teegarden's star, Gliese 176, Gliese 229, Castor, Lacaille 8760, Kruger 60, Gliese 777, Luyten's Star, Lacaille 9352, Gliese 687, Zeta Cancri, CM Draconis, EZ Aquarii, SCR 1845-6357, HD 33636, GJ 1214, EV Lacertae, Beta Aurigae, AB Doradus, HD 10307, Mu Herculis, 94 Ceti, Groombridge 34, DX Cancri, Gliese 682, Alpha Reticuli, HD 75289, 85 Pegasi, AC+79 3888, Gliese 832, MACHO-1997-BLG-41, HD 41004, Gliese 667, OGLE-2005-BLG-390L, Chi Orionis, Struve 2398, 20 Leonis Minoris, Gliese 849, HD 211415, U Geminorum, Mu Cassiopeiae, Gliese 179, GJ 1061, HR 753, OGLE-2005-BLG-169L, 45 Aurigae, Gliese 317, Gliese 676, HIP 12961, Gliese 185, Wolf 424, Gliese 674, Gliese 783, Gliese 433, Gliese 747AB, UScoCTIO 108, Theta Persei, YZ Ceti, OGLE-2005-BLG-071L, Gliese 250, 11 Leonis Minoris, V394 Aurigae, HD 166348, HIP 79431, 19 Arietis, 15 Arietis, TZ Arietis, Wolf 635, HD 139691, LHS 292, HR 9038, Gliese 505, Van Biesbroeck 8, 54 Arietis, Wolf 1061, HD 12139, LHS 288, HD 130084, GJ 3379, PU Aurigae, HD 39225, HD 36678, MACHO-98-BLG-35, Gliese 623, GJ 1002. Excerpt: Alpha Centauri ( Centauri, Cen; also known as Rigil Kentaurus, Rigil Kent, or Toliman) is the brightest star in the southern constellation of Centaurus. Although it appears to the unaided eye as a single object, Alpha Centauri is actually a binary star system (designated Alpha Centauri AB or Cen AB) whose combined visual magnitude of -0.27 would qualify it as the third single brightest star in the night s...