<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Wolf, Marek</style></author><author><style face="normal" font="default" size="100%">Niarchos, P. G.</style></author><author><style face="normal" font="default" size="100%">Gazeas, K. D.</style></author><author><style face="normal" font="default" size="100%">Manimanis, V. N.</style></author><author><style face="normal" font="default" size="100%">Kotková, Lenka</style></author><author><style face="normal" font="default" size="100%">Paschke, Anton</style></author><author><style face="normal" font="default" size="100%">Zejda, Miloslav</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Eccentric Eclipsing Binary YY Sagittarii</style></title><short-title><style face="normal" font="default" size="100%">Astrophysics and Space Science</style></short-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Apsidal motion</style></keyword><keyword><style  face="normal" font="default" size="100%">Eclipsing binary</style></keyword><keyword><style  face="normal" font="default" size="100%">Light-time effect</style></keyword><keyword><style  face="normal" font="default" size="100%">YY Sgr</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2006</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2006/08/1</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://ui.adsabs.harvard.edu/abs/2006Ap&amp;SS.304..181W</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">304</style></volume><pages><style face="normal" font="default" size="100%">181 - 183</style></pages><isbn><style face="normal" font="default" size="100%">0004-640X</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Seven new precise times of minimum light have been gathered for the triple eccentric eclipsing binary YY Sgr (P = 2&lt;SUP&gt;d&lt;/SUP&gt;.63, e = 0.16). Its O--C diagram is presented and improved elements of the apsidal motion and the light-time effect are given. We found a new short period of the third body of about 18.5 years in an eccentric orbit (e &lt;SUB&gt;3&lt;/SUB&gt; ≃ 0.4).</style></abstract></record></records></xml>