{"id":307,"date":"2017-10-10T10:32:39","date_gmt":"2017-10-10T10:32:39","guid":{"rendered":"http:\/\/aptog.com\/?p=307"},"modified":"2017-10-10T10:32:39","modified_gmt":"2017-10-10T10:32:39","slug":"binary-asteroid-discovery-iau-announcement","status":"publish","type":"post","link":"https:\/\/aptog.com\/?p=307","title":{"rendered":"Binary asteroid discovery IAU announcement"},"content":{"rendered":"<p>IAU CBET n\u00ba4440:<\/p>\n<p><em>(10132) LUMMELUNDA\u00a0<\/em><br \/>\n<em>V. Benishek, Belgrade Astronomical Observatory; P. Pravec, P. Kusnirak,\u00a0<\/em><br \/>\n<em>and H. Kucakova, Ondrejov Observatory; F. Pilcher, Organ Mesa Observatory,\u00a0<\/em><br \/>\n<em>Las Cruces, NM, U.S.A.; D. Pray, Sugarloaf Mountain Observatory, South\u00a0<\/em><br \/>\n<em>Deerfield, MA, U.S.A.; R. Durkee, Shed of Science Observatory, Minneapolis,\u00a0<\/em><br \/>\n<em>MN, U.S.A.; A. Aznar, Astronomia Para Todos Observatories Group, \u00abEuropean\u00a0<\/em><br \/>\n<em>Near Earth Asteroids Research\u00bb (EURONEAR) project, Spain; and F. J. Aceituno,\u00a0<\/em><br \/>\n<em>Observatorio de Sierra Nevada, report that photometric observations taken\u00a0<\/em><br \/>\n<em>with a 0.35-m telescope at the Sopot Observatory in Serbia, a 0.65-m telescope\u00a0<\/em><br \/>\n<em>at the Ondrejov Observatory, a 0.35-m at the Organ Mesa Observatory, a 0.50-m\u00a0<\/em><br \/>\n<em>telescope at the Sugarloaf Mountain Observatory, a 0.50-m telescope at the\u00a0<\/em><br \/>\n<em>Shed of Science Observatory, and a 0.9-m telescope at the Observatorio de\u00a0<\/em><br \/>\n<em>Sierra Nevada during Aug. 27-Sept. 28 reveal that minor planet (10132) is a\u00a0<\/em><br \/>\n<em>binary system with an orbital period of 22.44 \u00c2\u00b1 0.01 hr. The primary shows\u00a0<\/em><br \/>\n<em>a period of 2.5099 \u00c2\u00b1 0.0001 hr and has a lightcurve amplitude of 0.11 mag\u00a0<\/em><br \/>\n<em>at solar phases 2-3 degrees, suggesting a nearly spheroidal shape. Mutual\u00a0<\/em><br \/>\n<em>eclipse\/occultation events that are 0.08- to 0.16-magnitude deep indicate a\u00a0<\/em><br \/>\n<em>lower limit on the secondary-to-primary mean-diameter ratio of 0.28.\u00a0<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>IAU CBET n\u00ba4440: (10132) LUMMELUNDA\u00a0 V. Benishek, Belgrade Astronomical Observatory; P. Pravec, P. Kusnirak,\u00a0 and H. Kucakova, Ondrejov Observatory; F. Pilcher, Organ Mesa Observatory,\u00a0 Las Cruces, NM, U.S.A.; D. Pray, Sugarloaf Mountain Observatory, South\u00a0 Deerfield, MA, U.S.A.; R. Durkee, Shed of Science Observatory, Minneapolis,\u00a0 MN, U.S.A.; A. Aznar, Astronomia Para Todos Observatories Group, \u00abEuropean\u00a0 Near [&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":[],"class_list":["post-307","post","type-post","status-publish","format-standard","hentry","category-papers-and-letters"],"acf":[],"_links":{"self":[{"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/307","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=307"}],"version-history":[{"count":1,"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/307\/revisions"}],"predecessor-version":[{"id":308,"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/307\/revisions\/308"}],"wp:attachment":[{"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}