{"id":1032,"date":"2021-05-27T07:45:26","date_gmt":"2021-05-27T07:45:26","guid":{"rendered":"http:\/\/aptog.com\/?p=1032"},"modified":"2021-05-27T07:45:26","modified_gmt":"2021-05-27T07:45:26","slug":"binary-asteroid-iau-announcement-telegram-4","status":"publish","type":"post","link":"https:\/\/aptog.com\/?p=1032","title":{"rendered":"Binary asteroid IAU announcement telegram"},"content":{"rendered":"<p>(3523) ARINA<br \/>\nV. Benishek, Belgrade Astronomical Observatory; P. Pravec, Ondrejov<br \/>\nObservatory; M. Husarik, Skalnate Pleso Observatory; A. Marchini,<br \/>\nR. Papini, and F. Salvagio, Dipartimento di Scienze Fisiche, Della Terra<br \/>\ne Dell&#8217;Ambiente, University of Siena; W. Cooney, Starry Night<br \/>\nObservatory, Columbus, TX, U.S.A.; A. Aznar, Isaac Aznar Observatory,<br \/>\nAlcublas, Valencia, Spain; P. Santos-Sanz, A. Sota, F. J. Aceituno,<br \/>\nInstituto de Astrof\u00edsica de Andaluc\u00eda-CSIC, Granada, Spain, R. Goncalves and R. Durkee, Shed of<br \/>\nScience South Observatory, Pontotoc, TX, U.S.A., report that photometric<br \/>\nobservations taken with a 0.35-m telescope at the Sopot Observatory in<br \/>\nSerbia, a 0.61-m telescope at the Skalnate Pleso Observatory, a 0.30-m<br \/>\ntelescope at the Astronomical Observatory of the University of Siena,<br \/>\na 0.23-m telescope at the WBRO Florence Observatory, a 0.50-m telescope<br \/>\nat the Starry Night Observatory, a 0.90-m telescope at the Sierra Nevada<br \/>\nObservatory IAA-CSIC and a 0.50-m telescope at the Shed of<br \/>\nScience South Observatory during Mar. 2-May 16 reveal that minor planet<br \/>\n(3523) is a binary system with an orbital period of 29.26 +\/- 0.02 hr.<br \/>\nThe primary shows a period of 2.6742 +\/- 0.0001 hr and has a lightcurve<br \/>\namplitude of 0.08 magnitude at solar phases 9-13 degrees, suggesting a<br \/>\nnearly spheroidal shape. Mutual eclipse\/occultation events that are<br \/>\n0.06 magnitude deep indicate a lower limit on the secondary-to-primary<br \/>\nmean-diameter ratio of 0.24.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(3523) ARINA V. Benishek, Belgrade Astronomical Observatory; P. Pravec, Ondrejov Observatory; M. Husarik, Skalnate Pleso Observatory; A. Marchini, R. Papini, and F. Salvagio, Dipartimento di Scienze Fisiche, Della Terra e Dell&#8217;Ambiente, University of Siena; W. Cooney, Starry Night Observatory, Columbus, TX, U.S.A.; A. Aznar, Isaac Aznar Observatory, Alcublas, Valencia, Spain; P. Santos-Sanz, A. Sota, F. [&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":[152,151,23],"class_list":["post-1032","post","type-post","status-publish","format-standard","hentry","category-papers-and-letters","tag-152","tag-arina","tag-binary-asteroid"],"acf":[],"_links":{"self":[{"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/1032","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=1032"}],"version-history":[{"count":1,"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/1032\/revisions"}],"predecessor-version":[{"id":1033,"href":"https:\/\/aptog.com\/index.php?rest_route=\/wp\/v2\/posts\/1032\/revisions\/1033"}],"wp:attachment":[{"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aptog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}