Big angle star
Arcturus (α Boo / Shepherd Alpha) English name Arcturus (English pronunciation: / ɑrktjʊərəs /), is the most bright star in the herdsman seat. To the naked eye to watch the big star, it is orange, as the stars -0.04, is the night sky third bright stars, second only to -1.46 and so on Sirius and -0.86 and other old stars. Although the Centaur of the South Gate two (Centaur 1 star) as the magnitude is -0.27, etc., but it is by -0.01 and so on α1 and +1.33 α2 composed of the star, the individual brightness is lower than the big star, Only because they are too close, so the naked eye can not tell. Therefore, the South Gate II is quite bright stars, but the Centaur α1 darker than the big star, only the fourth day of the bright stars. Dagan and South Gate are located in the local Interstellar Cloud. ...