{"id":2874,"date":"2018-08-21T14:53:44","date_gmt":"2018-08-21T17:53:44","guid":{"rendered":"http:\/\/www.bramonmeteor.org\/bramon\/?p=2175"},"modified":"2018-08-21T14:53:44","modified_gmt":"2018-08-21T17:53:44","slug":"fireball-sobre-sao-paulo-registrado-em-6-cameras-e-com-espectro","status":"publish","type":"post","link":"http:\/\/www.bramonmeteor.org\/bramon\/en\/fireball-sobre-sao-paulo-registrado-em-6-cameras-e-com-espectro\/","title":{"rendered":"Fireball Sobre S\u00e3o Paulo registrado em 6 c\u00e2meras e com espectro!"},"content":{"rendered":"<p>At dawn on August 21, 2018 a meteor hits the atmosphere over the State of S\u00e3o Paulo, Brazil, was recorded by 6 BRAMON cameras and in one of them it was possible to register its spectra. See video:<\/p>\n<p><iframe title=\"Fireball S\u00e3o Paulo 21\/08\/2018 - com espectro!\" width=\"854\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/kmsLi3dxsmI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>The recording of the meteor spectra of emission makes it possible to carry out an analysis of the chemical composition of the body that generated it. This information together with the orbit obtained through triangulation allows us to fully study the origins of this meteoroid.<\/p>\n<p>After the initial collect and analysis of the videos we\u00a0get the following results about the event:<\/p>\n<p>The space rock fragment\u00a0hits the atmosphere at a speed of 17.9 km\/sec (more than 64 thousand Km\/h) at 02:23 on August 21, 2018, at 82.4 km height, over Santa Isabel City. It flights in the northwest direction showing a very intense brightness that was registered by the meteor monitoring cameras of BRAMON, until reaching the\u00a0height of 42.2 km on Piracaia.\u00a0It was recorded by cameras in Osasco, Sumar\u00e9, Guaratinguet\u00e1 and Nhandeara in S\u00e3o Paulo, and in Oliveira and Maria da F\u00e9 in Minas Gerais.<\/p>\n<div id=\"attachment_2176\" style=\"width: 650px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/08\/trajetoria02.png\"><img aria-describedby=\"caption-attachment-2176\" loading=\"lazy\" class=\"wp-image-2176\" src=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/08\/trajetoria02.png?resize=640%2C316\" alt=\"Trajet\u00f3ria do meteoro na atmosfera\" width=\"640\" height=\"316\" data-recalc-dims=\"1\" \/><\/a><p id=\"caption-attachment-2176\" class=\"wp-caption-text\">Atmospheric meteor trajectory (orange)<\/p><\/div>\n<p>We have not yet completed the analysis of mass and size of the object, but we believe that the meteor was generated by a fragment with mass between 2Kg and 10Kg that were totally consumed\u00a0in\u00a0 atmospheric pass.<\/p>\n<p>According\u00a0the calculated trajectory, the meteor came from the direction of the Horologium Constellation and didn&#8217;t\u00a0related\u00a0to any known meteor shower. The final results of the trajectory including an analysis of its chemical composition should be disseminated by the end of the day.<\/p>\n<p><strong>Trajectory<\/strong><br \/>\n(Latitude, Longitude,\u00a0Height (m) )<br \/>\nStart: -23.355, -46.233, 82400<br \/>\nEnds: -23.056, -46.386, 42200<\/p>\n<p><strong>Meteor entry data<\/strong><br \/>\nDuration: 1.8s<br \/>\nEntry angle: 48.2\u00b0<br \/>\nInitial velocity: 17.9 Km\/s<\/p>\n<p><strong>Characteristics<\/strong><br \/>\nAbsolute Magnitude: -6.3<br \/>\nEstimated mass: (ainda n\u00e3o calculada)<\/p>\n<p><strong>Radiant<\/strong><br \/>\nClassified\u00a0as\u00a0sporadic, with radiant\u00a0in Clock Constellation<br \/>\nRight Ascention: 38.7<br \/>\nDeclination: -58.8<\/p>\n<p><strong>Videos:<\/strong><br \/>\nAlfredo Dal&#8217;Ava J\u00fanior (ADJ1\/SP)<br \/>\nDenis Ara\u00fajo (FGL1\/SP)<br \/>\nDaniela Mour\u00e3o (GDOP1\/SP)<br \/>\nRenato C\u00e1ssio Poltronieri (RCP1\/SP)<br \/>\nWelter Vaz Mesquita (WMV1\/MG)<br \/>\nWilliam Siqueira (WSR1\/MG)<\/p>\n<p><strong>Data colect\u00a0and Analisis<\/strong><br \/>\nCarlos Di Pietro<br \/>\nMarcelo Zurita<\/p>","protected":false},"excerpt":{"rendered":"<div class=\"wpm_excerpt clearfix\"><p>At dawn on August 21, 2018 a meteor hits the atmosphere over&hellip;<\/p>\n<\/div>","protected":false},"author":15,"featured_media":2583,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":""},"categories":[5],"tags":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/08\/M20180821_052302_GDOP_1P.jpg?fit=720%2C480","jetpack_publicize_connections":[],"jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/en\/wp-json\/wp\/v2\/posts\/2874"}],"collection":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/en\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/en\/wp-json\/wp\/v2\/comments?post=2874"}],"version-history":[{"count":0,"href":"http:\/\/www.bramonmeteor.org\/bramon\/en\/wp-json\/wp\/v2\/posts\/2874\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/en\/wp-json\/wp\/v2\/media\/2583"}],"wp:attachment":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/en\/wp-json\/wp\/v2\/media?parent=2874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/en\/wp-json\/wp\/v2\/categories?post=2874"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/en\/wp-json\/wp\/v2\/tags?post=2874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}