{"id":2898,"date":"2019-03-29T19:38:04","date_gmt":"2019-03-29T22:38:04","guid":{"rendered":"http:\/\/www.bramonmeteor.org\/bramon\/?p=2572"},"modified":"2019-03-29T19:38:04","modified_gmt":"2019-03-29T22:38:04","slug":"analise-do-bolido-de-santa-catarina","status":"publish","type":"post","link":"http:\/\/www.bramonmeteor.org\/bramon\/analise-do-bolido-de-santa-catarina\/","title":{"rendered":"An\u00e1lise do B\u00f3lido de Santa Catarina"},"content":{"rendered":"<p>No dia 24 de mar\u00e7o de 2019, pouco antes das 19 horas local, come\u00e7aram a surgir relatos\u00a0vindos do estado de Santa Catarina que informavam o que parecia ser a passagem de um b\u00f3lido na dire\u00e7\u00e3o do oceano. Os relatos chegaram para a nossa\u00a0<a href=\"http:\/\/www.bramonmeteor.org\/bramon\/\" target=\"_blank\" rel=\"noopener noreferrer\"><em>fanpage<\/em><\/a>,\u00a0 para a <a href=\"https:\/\/www.facebook.com\/bramonbr\/\" target=\"_blank\" rel=\"noopener noreferrer\">p\u00e1gina do nosso grupo no Facebook<\/a>\u00a0e para a pagina de <a href=\"https:\/\/bramon.imo.net\/members\/imo\/report_intro\" target=\"_blank\" rel=\"noopener noreferrer\">reporte um b\u00f3lido<\/a>. Um dos membros da BRAMON em Santa Catarina, o Rafael Bernadino tamb\u00e9m \u00e9 administrador da p\u00e1gina <a href=\"https:\/\/www.facebook.com\/conexaogeoclima\/\" target=\"_blank\" rel=\"noopener noreferrer\">Conex\u00e3o Geoclima<\/a> e estava coletando relatos a partir de l\u00e1.\u00a0N\u00e3o demorou muito para aparecerem dois v\u00eddeos que mostravam a passagem do meteoro. Sendo um da cidade\u00a0de Florian\u00f3polis-SC e o outro na cidade de Imbituba-SC.<\/p>\n<p>A an\u00e1lise realizada a partir desses dois v\u00eddeos, pode nos dar uma ideia de que o meteoro ocorreu muito distante da costa. Informa\u00e7\u00e3o essa que foi confirmada a partir das imagens do <a href=\"https:\/\/pt.wikipedia.org\/wiki\/GOES_16\" target=\"_blank\" rel=\"noopener noreferrer\">sat\u00e9lite GOES &#8211; 16<\/a>, que mostrava um clar\u00e3o a cerca de 550 km de Florian\u00f3polis. Esse clar\u00e3o ocorreu em hora compat\u00edvel com os relatos e no local pr\u00f3ximo de onde a triangula\u00e7\u00e3o dos dois v\u00eddeos apontavam.<\/p>\n<p><iframe title=\"B\u00f3lido de Santa Catarina - 24\/03\/2019\" width=\"854\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/S0q-5pZqwjQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>O v\u00eddeo gravado em Imbituba-SC, a partir da varanda de um apartamento, possui claras refer\u00eancias que permitiram calcular corretamente os par\u00e2metros da passagem do meteoro. Entretanto o v\u00eddeo gravado em Florian\u00f3polis-SC, na praia da Joaquina, n\u00e3o tem tantas refer\u00eancias. Ainda sim conseguimos extrair dados de azimute e eleva\u00e7\u00e3o para os pontos iniciais e final do b\u00f3lido, evidentemente que com uma margem de erro maior, mas que nos permitiu calcular a trajet\u00f3ria e confirmar que o clar\u00e3o observado no sat\u00e9lite GOES &#8211; 16\u00a0 tratava-se realmente do b\u00f3lido.<\/p>\n<p>Depois de analisar as imagens de sat\u00e9lite, a professora <a href=\"http:\/\/www.iag.usp.br\/atmosfericas\/membro\/rachel-ifanger-albrecht\" target=\"_blank\" rel=\"noopener noreferrer\">Dra. Rachel Albrecht<\/a> do Departamento de Ci\u00eancias Atmosf\u00e9ricas do IAG\/USP, informou que n\u00e3o haviam no local nuvens capazes de gerar descargas el\u00e9tricas e confirmou que o flash s\u00f3 poderia ser gerado pela passagem de um meteoro pela atmosfera.<\/p>\n<p>De acordo com a triangula\u00e7\u00e3o feita pelas imagens de Florian\u00f3polis-SC e Imbituba-SC, somadas as informa\u00e7\u00f5es coletadas pelo sat\u00e9lite GOES &#8211; 16, chegamos a trajet\u00f3ria apresentado abaixo.<\/p>\n<p><a href=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2019\/03\/mapa-1.jpg\"><img data-attachment-id=\"2587\" data-permalink=\"http:\/\/www.bramonmeteor.org\/bramon\/amsterdam-1-de-1\/\" data-orig-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/amsterdam-1-de-1.jpg?fit=1024%2C645\" data-orig-size=\"1024,645\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"amsterdam (1 de 1)\" data-image-description=\"\" data-medium-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/amsterdam-1-de-1.jpg?fit=300%2C189\" data-large-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/amsterdam-1-de-1.jpg?fit=854%2C538\" loading=\"lazy\" class=\"aligncenter wp-image-2587\" src=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2019\/03\/mapa-1.jpg?resize=517%2C348\" alt=\"\" width=\"517\" height=\"348\" data-recalc-dims=\"1\" \/><\/a><\/p>\n<p>A trajet\u00f3ria calculada indica o sentido de deslocamento Norte-Sul. Devido \u00e0 margem de erro elevada dos dados de Florian\u00f3polis, \u00e9 poss\u00edvel que haja uma pequena varia\u00e7\u00e3o do ponto inicial para leste ou oeste. A altitude inicial calculada foi de 59.3 Km e a altitude final, de 32.92 Km. O meteoro se deslocou com velocidade m\u00e9dia pr\u00f3xima a 17 Km\/s e num \u00e2ngulo de 18\u00b0 em rela\u00e7\u00e3o \u00e0 superf\u00edcie.<\/p>\n<p>Veja nas imagens abaixo a proje\u00e7\u00e3o da trajet\u00f3ria do meteoro para cada ponto de vis\u00e3o.<\/p>\n<div class=\"tiled-gallery type-rectangular tiled-gallery-unresized\" data-original-width=\"854\" data-carousel-extra='{&quot;blog_id&quot;:1,&quot;permalink&quot;:&quot;http:\\\/\\\/www.bramonmeteor.org\\\/bramon\\\/analise-do-bolido-de-santa-catarina\\\/&quot;,&quot;likes_blog_id&quot;:167387043}' itemscope itemtype=\"http:\/\/schema.org\/ImageGallery\" > <div class=\"gallery-row\" style=\"width: 854px; height: 380px;\" data-original-width=\"854\" data-original-height=\"380\" > <div class=\"gallery-group images-1\" style=\"width: 570px; height: 380px;\" data-original-width=\"570\" data-original-height=\"380\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43590414315_74271b951f_z.jpg\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"566\"> <meta itemprop=\"height\" content=\"376\"> <img data-attachment-id=\"2596\" data-orig-file=\"http:\/\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43590414315_74271b951f_z.jpg\" data-orig-size=\"640,425\" data-comments-opened=\"\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"43590414315_74271b951f_z\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43590414315_74271b951f_z.jpg?fit=300%2C199\" data-large-file=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43590414315_74271b951f_z.jpg?fit=640%2C425\" src=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43590414315_74271b951f_z.jpg?w=566&#038;h=376\" width=\"566\" height=\"376\" data-original-width=\"566\" data-original-height=\"376\" itemprop=\"http:\/\/schema.org\/image\" title=\"43590414315_74271b951f_z\" alt=\"43590414315_74271b951f_z\" style=\"width: 566px; height: 376px;\" \/> <\/a> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-2\" style=\"width: 284px; height: 380px;\" data-original-width=\"284\" data-original-height=\"380\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/44500062301_95a2424d6c_z.jpg\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"280\"> <meta itemprop=\"height\" content=\"186\"> <img data-attachment-id=\"2595\" data-orig-file=\"http:\/\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/44500062301_95a2424d6c_z.jpg\" data-orig-size=\"640,425\" data-comments-opened=\"\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"44500062301_95a2424d6c_z\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/44500062301_95a2424d6c_z.jpg?fit=300%2C199\" data-large-file=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/44500062301_95a2424d6c_z.jpg?fit=640%2C425\" src=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/44500062301_95a2424d6c_z.jpg?w=280&#038;h=186\" width=\"280\" height=\"186\" data-original-width=\"280\" data-original-height=\"186\" itemprop=\"http:\/\/schema.org\/image\" title=\"44500062301_95a2424d6c_z\" alt=\"44500062301_95a2424d6c_z\" style=\"width: 280px; height: 186px;\" \/> <\/a> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43782194344_a2a7c7f8fb_z.jpg\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"280\"> <meta itemprop=\"height\" content=\"186\"> <img data-attachment-id=\"2597\" data-orig-file=\"http:\/\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43782194344_a2a7c7f8fb_z.jpg\" data-orig-size=\"640,425\" data-comments-opened=\"\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"43782194344_a2a7c7f8fb_z\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43782194344_a2a7c7f8fb_z.jpg?fit=300%2C199\" data-large-file=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43782194344_a2a7c7f8fb_z.jpg?fit=640%2C425\" src=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43782194344_a2a7c7f8fb_z.jpg?w=280&#038;h=186\" width=\"280\" height=\"186\" data-original-width=\"280\" data-original-height=\"186\" itemprop=\"http:\/\/schema.org\/image\" title=\"43782194344_a2a7c7f8fb_z\" alt=\"43782194344_a2a7c7f8fb_z\" style=\"width: 280px; height: 186px;\" \/> <\/a> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 854px; height: 568px;\" data-original-width=\"854\" data-original-height=\"568\" > <div class=\"gallery-group images-1\" style=\"width: 854px; height: 568px;\" data-original-width=\"854\" data-original-height=\"568\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43590418705_204ea7bdf7_k.jpg\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"850\"> <meta itemprop=\"height\" content=\"564\"> <img data-attachment-id=\"2594\" data-orig-file=\"http:\/\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43590418705_204ea7bdf7_k.jpg\" data-orig-size=\"2048,1360\" data-comments-opened=\"\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"43590418705_204ea7bdf7_k\" data-image-description=\"\" data-medium-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43590418705_204ea7bdf7_k.jpg?fit=300%2C199\" data-large-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43590418705_204ea7bdf7_k.jpg?fit=854%2C567\" src=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/09\/43590418705_204ea7bdf7_k.jpg?w=850&#038;h=564\" width=\"850\" height=\"564\" data-original-width=\"850\" data-original-height=\"564\" itemprop=\"http:\/\/schema.org\/image\" title=\"43590418705_204ea7bdf7_k\" alt=\"43590418705_204ea7bdf7_k\" style=\"width: 850px; height: 564px;\" \/> <\/a> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <\/div>\n<p>O processo de busca de dados e an\u00e1lise deste b\u00f3lido foi discutido em uma Live em que participamos no canal <a href=\"https:\/\/www.youtube.com\/channel\/UC_Fk7hHbl7vv_7K8tYqJd5A\">Space Today<\/a>, no dia 25 de mar\u00e7o de 2019, que pode ser visto no v\u00eddeo abaixo.<\/p>\n<p><iframe title=\"O B\u00d3LIDO DE FLORIAN\u00d3POLIS | AN\u00c1LISE AO VIVO COM O PESSOAL DA BRAMON\" width=\"854\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/DWgIaNLLDno?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Ainda estamos trabalhando para melhorar a precis\u00e3o dos dados analisados, para determinar a energia do impacto e consequentemente a massa do objeto. Uma estimativa a partir das imagens e dos dados j\u00e1 calculados, \u00e9 que a massa inicial devia ter pelo menos 1 tonelada. A BRAMON segue buscando novos dados e informa\u00e7\u00f5es que permitam apurar melhor o evento. Assim que houverem novidades desse caso,\u00a0ser\u00e1 divulgado aqui.<\/p>","protected":false},"excerpt":{"rendered":"<div class=\"wpm_excerpt clearfix\"><p>No dia 24 de mar\u00e7o de 2019, pouco antes das 19 horas&hellip;<\/p>\n<\/div>","protected":false},"author":67,"featured_media":2690,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":""},"categories":[126],"tags":[145,125,155,156],"jetpack_featured_media_url":"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2019\/03\/capa2-1.jpg?fit=703%2C485","jetpack_publicize_connections":[],"jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/posts\/2898"}],"collection":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/users\/67"}],"replies":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/comments?post=2898"}],"version-history":[{"count":0,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/posts\/2898\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/media\/2690"}],"wp:attachment":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/media?parent=2898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/categories?post=2898"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/tags?post=2898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}