WebIota Bootis is een dubbelster die zich op 97 lichtjaar van de aarde bevindt. De hoekafstand tussen de componenten is 38,6 boogseconden, gemakkelijk op te lossen met een … Web24 dec. 2016 · Eggen’s subsequent career was a somewhat peripatetic one: Lick Observatory (1948–1956), Royal Greenwich Observatory (1956–1961), California …
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Web1 jan. 2013 · Comparison of Data on Iota Boötes Using Different Telescope Mounts in 2009 and 2010 by the St. Mary’s School Astronomy Club Journal of Double Star Observations … Web25 jan. 2015 · Asellus Secundus (Iota Bootis) is a main sequence star located in the constellation of Bootes, The Bear Driver. It is not part of the Bootes constellation outline … shropshire trading company
Stellar Aspects - George C Noonan Jr AstroGarden - ProBoards
http://www.ianridpath.com/startales/bootes.html http://www.kusastro.kyoto-u.ac.jp/vsnet/gcvs2/BOOiota.html Iota Boötis (ι Boo, ι Boötis) is a member of a binary star system in the constellation Boötes, approximately 96 light-years from Earth. It has the traditional name Asellus Secundus /əˈsɛləs sɪˈkʌndəs/ (Latin for "second donkey colt") and the Flamsteed designation 21 Boötis. The companion is HD 234121, a K0 … Meer weergeven Iota Boötis has a companion at an angular distance of 38.6 arcseconds, easily separated with binoculars. The primary component is a white A-type main-sequence dwarf with a mean apparent magnitude of … Meer weergeven • HR 5350 • CCDM J14162+5122 • Image Iota Boötis Meer weergeven This star, along with the other Aselli (θ Boo and κ Boo) and λ Boo, were Aulād al Dhiʼbah (أولاد الضّباع - awlād al-ḍibā‘), "the Whelps of … Meer weergeven shropshire towns \u0026 rural housing