{"id":928,"date":"2020-06-03T10:15:18","date_gmt":"2020-06-03T10:15:18","guid":{"rendered":"http:\/\/aptog.com\/?p=928"},"modified":"2020-06-03T10:23:18","modified_gmt":"2020-06-03T10:23:18","slug":"binary-asteroid-iau-announcement-telegram-2","status":"publish","type":"post","link":"https:\/\/aptog.com\/?p=928","title":{"rendered":"Binary asteroid IAU announcement telegram"},"content":{"rendered":"<p>(1480) AUNUS<br \/>\nV. Benishek, Belgrade Astronomical Observatory; P. Pravec, Ondrejov<br \/>\nObservatory; J. Oey, Blue Mountains Observatory, Leura, NSW, Australia;<br \/>\nR. Durkee, Shed of Science South Observatory, Pontotoc, TX, U.S.A.; C. Odden,<br \/>\nPhillips Academy, Andover, MA, U.S.A.; W. Cooney, Starry Night Observatory,<br \/>\nColumbus, TX, U.S.A.; J. Kemp, Middlebury College, Middlebury, VT, U.S.A.;<br \/>\nD. Pray, Sugarloaf Mountain Observatory, South Deerfield, MA, U.S.A.; J.<br \/>\nGross and D. Terrell, Sonoita Research Observatory, Sonoita, AZ, U.S.A.; and<br \/>\nA. Aznar, Isaac Aznar Observatory, Alcublas, Valencia, Spain, report that<br \/>\nphotometric observations taken with a 0.35-m telescope at the Sopot<br \/>\nObservatory in Serbia, a 0.35-m telescope at the Blue Mountains Observatory,<br \/>\na 0.50-m telescope at the Shed of Science South Observatory, a 0.50-m<br \/>\ntelescope at the Phillips Academy Observatory, a 0.50-m telescope at the<br \/>\nStarry Night Observatory, a 0.50-m telescope at the Mittelman Observatories<br \/>\nat New Mexico Skies, a 0.50-m telescope at the Sugarloaf Mountain<br \/>\nObservatory, a 0.50-m telescope at the Sonoita Research Observatory, and a<br \/>\n0.35-m telescope at the Isaac Aznar Observatory during Mar. 21-May 19 reveal<br \/>\nthat minor planet (1480) is a binary system with an orbital period of 19.714<br \/>\n\u00c2\u00b1 0.003 hr. The primary shows a period of 5.1600 \u00c2\u00b1 0.0002 hr and has a<br \/>\nlightcurve amplitude of 0.16 magnitude at solar phases 2-18 degrees,<br \/>\nsuggesting a nearly spheroidal shape. Mutual eclipse\/occultation events that<br \/>\nare 0.09 to 0.20 magnitude deep indicate a lower limit on the secondary-to-<br \/>\nprimary mean-diameter ratio of 0.30.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(1480) AUNUS V. Benishek, Belgrade Astronomical Observatory; P. Pravec, Ondrejov Observatory; J. Oey, Blue Mountains Observatory, Leura, NSW, Australia; R. Durkee, Shed of Science South Observatory, Pontotoc, TX, U.S.A.; C. Odden, Phillips Academy, Andover, MA, U.S.A.; W. Cooney, Starry Night Observatory, Columbus, TX, U.S.A.; J. Kemp, Middlebury College, Middlebury, VT, U.S.A.; D. Pray, Sugarloaf Mountain [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7],"tags":[112,113,23,82,39],"class_list":["post-928","post","type-post","status-publish","format-standard","hentry","category-papers-and-letters","tag-112","tag-aunus","tag-binary-asteroid","tag-cbet","tag-photometry"],"acf":[],"_links":{"self":[{"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/928","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=928"}],"version-history":[{"count":1,"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/928\/revisions"}],"predecessor-version":[{"id":929,"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/928\/revisions\/929"}],"wp:attachment":[{"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}