{"id":3204,"date":"2022-02-16T17:26:08","date_gmt":"2022-02-16T16:26:08","guid":{"rendered":"https:\/\/astrocomplutense.es\/nova\/las-estrellas-variables\/"},"modified":"2022-02-16T17:26:08","modified_gmt":"2022-02-16T16:26:08","slug":"las-estrellas-variables","status":"publish","type":"post","link":"https:\/\/astrocomplutense.es\/nova\/las-estrellas-variables\/","title":{"rendered":"Las Estrellas Variables"},"content":{"rendered":"<p><em>Manuel Talero<\/em> nos expuso un tema muy tratado en cualquier Agrupaci\u00f3n Astron\u00f3mica. <em><a style=\\\"color: #3366ff; text-decoration: underline;\\\" href=\\\"https:\/\/es.wikipedia.org\/wiki\/Estrella_variable\\\">Las estrellas VARIABLES<\/a><\/em>. Que ya ha sido abordado en numerosas ocasiones en la AAC, como siempre fue interesante recordar qu\u00e9 son, sus distintos tipos y cu\u00e1les son los m\u00e9todos para detectar sus variaciones de luminosidad. Tambi\u00e9n volvi\u00f3 a explicar el <em><a style=\\\"color: #3366ff; text-decoration: underline;\\\" href=\\\"https:\/\/es.wikipedia.org\/wiki\/M%C3%A9todo_de_Argelander\\\">M\u00e9todo de Argelander<\/a><\/em>\u00a0 empleado para determinar el brillo aparente de la estrella<\/p>\n<p><em>El\u00a0m\u00e9todo de Argelander sirve para calcular el brillo visual de estrellas variables. Al usar este m\u00e9todo el observador se puede estimar el cambio de brillo una estrella variable y otra estrella que sirve de comparaci\u00f3n. Por eso se dice que es un m\u00e9todo \u201cvisual\u201d, ya que puede realizarse tanto a simple vista o a trav\u00e9s de un instrumento de observaci\u00f3n como unos <a style=\\\"color: #808080;\\\" title=\\\"Prism\u00e1ticos\\\" href=\\\"https:\/\/es.wikipedia.org\/wiki\/Prism%C3%A1ticos\\\">prism\u00e1ticos<\/a>\u00a0o un\u00a0<a style=\\\"color: #808080;\\\" title=\\\"Telescopio\\\" href=\\\"https:\/\/es.wikipedia.org\/wiki\/Telescopio\\\">telescopio<\/a> sin usar dispositivos electr\u00f3nicos, para llevar a cabo el estudio se deben tomar dos estrellas de comparaci\u00f3n dentro del campo de observaci\u00f3n del instrumento utilizado. Una de las estrellas de comparaci\u00f3n debe ser m\u00e1s brillante que la variable en estudio, la otra debe ser m\u00e1s d\u00e9bil.<\/em><\/p>\n<p><img src=\\\"https:\/\/wikimedia.org\/api\/rest_v1\/media\/math\/render\/svg\/5d929d61e33a014bf65fbc76460fb0f5dfa87b36\\\" alt=\\\"{displaystyle m_{v}=m_{a}+d_{a}{frac {m_{b}-m_{a}}{d_{a}+d_{b}}}}\\\" aria-hidden=\\\"true\\\" \/><\/p>\n<p>Ver art\u00edculo en Wikipedia:\u00a0 <em><a style=\\\"color: #0000ff; text-decoration: underline;\\\" href=\\\"https:\/\/es.wikipedia.org\/wiki\/M%C3%A9todo_de_Argelander\\\">M\u00e9todo de Argelander<\/a><\/em>\u00a0\u00a0<\/p>\n<style>\/*! elementor - v3.5.5 - 03-02-2022 *\/\n.elementor-widget-divider{--divider-border-style:none;--divider-border-width:1px;--divider-color:#2c2c2c;--divider-icon-size:20px;--divider-element-spacing:10px;--divider-pattern-height:24px;--divider-pattern-size:20px;--divider-pattern-url:none;--divider-pattern-repeat:repeat-x}.elementor-widget-divider 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-20 c26 -10 76 -36 113 -56z m-2057 25 c-40 -58 -105 -190 -130 -263 -110 -324 -59 -707 132 -981 25 -35 42 -64 37 -64 -19 0 -241 119 -326 174 -188 122 -406 314 -532 468 l-58 71 108 103 c185 178 428 349 672 473 66 33 121 60 123 61 2 0 -10 -19 -26 -42z\"\/><path d=\"M2375 1950 c-198 -44 -350 -190 -395 -379 -18 -76 -8 -221 19 -290 114 -284 457 -406 731 -260 98 52 188 154 231 260 27 69 37 214 19 290 -38 163 -166 304 -326 360 -67 23 -215 33 -279 19z\"\/><\/g><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/astrocomplutense.es\/nova\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>EL Mi\u00e9rcoles 16 de Febrero de 2022  Manuel Talero nos habl\u00f3 de las Estrellas Variables. Este tema lo hemos abordado en numerosas ocasiones en la AAC pero siempre es interesante recordar qu\u00e9 son y cu\u00e1les son los m\u00e9todos para detectar sus variaciones de luminosidad.<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_3204\" class=\"pvc_stats all  \" data-element-id=\"3204\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.0\" viewBox=\"0 0 502 315\" preserveAspectRatio=\"xMidYMid meet\"><g transform=\"translate(0,332) scale(0.1,-0.1)\" fill=\"\" stroke=\"none\"><path d=\"M2394 3279 l-29 -30 -3 -207 c-2 -182 0 -211 15 -242 39 -76 157 -76 196 0 15 31 17 60 15 243 l-3 209 -33 29 c-26 23 -41 29 -80 29 -41 0 -53 -5 -78 -31z\"\/><path d=\"M3085 3251 c-45 -19 -58 -50 -96 -229 -47 -217 -49 -260 -13 -295 52 -53 146 -42 177 20 16 31 87 366 87 410 0 70 -86 122 -155 94z\"\/><path d=\"M1751 3234 c-13 -9 -29 -31 -37 -50 -12 -29 -10 -49 21 -204 19 -94 39 -189 45 -210 14 -50 54 -80 110 -80 34 0 48 6 76 34 21 21 34 44 34 59 0 14 -18 113 -40 219 -37 178 -43 195 -70 221 -36 32 -101 37 -139 11z\"\/><path d=\"M1163 3073 c-36 -7 -73 -59 -73 -102 0 -56 133 -378 171 -413 34 -32 83 -37 129 -13 70 36 67 87 -16 290 -86 209 -89 214 -129 231 -35 14 -42 15 -82 7z\"\/><path d=\"M3689 3066 c-15 -9 -33 -30 -42 -48 -48 -103 -147 -355 -147 -375 0 -98 131 -148 192 -74 13 15 57 108 97 206 80 196 84 226 37 273 -30 30 -99 39 -137 18z\"\/><path d=\"M583 2784 c-38 -19 -67 -74 -58 -113 9 -42 211 -354 242 -373 16 -10 45 -18 66 -18 51 0 107 52 107 100 0 39 -1 41 -124 234 -80 126 -108 162 -133 173 -41 17 -61 16 -100 -3z\"\/><path d=\"M4250 2784 c-14 -9 -74 -91 -133 -183 -95 -150 -107 -173 -107 -213 0 -55 33 -94 87 -104 67 -13 90 8 211 198 130 202 137 225 78 284 -27 27 -42 34 -72 34 -22 0 -50 -8 -64 -16z\"\/><path d=\"M2275 2693 c-553 -48 -1095 -270 -1585 -649 -135 -104 -459 -423 -483 -476 -23 -49 -22 -139 2 -186 73 -142 361 -457 571 -626 285 -228 642 -407 990 -497 242 -63 336 -73 660 -74 310 0 370 5 595 52 535 111 1045 392 1455 803 122 121 250 273 275 326 19 41 19 137 0 174 -41 79 -309 363 -465 492 -447 370 -946 591 -1479 653 -113 14 -422 18 -536 8z m395 -428 c171 -34 330 -124 456 -258 112 -119 167 -219 211 -378 27 -96 24 -300 -5 -401 -72 -255 -236 -447 -474 -557 -132 -62 -201 -76 -368 -76 -167 0 -236 14 -368 76 -213 98 -373 271 -451 485 -162 444 86 934 547 1084 153 49 292 57 452 25z m909 -232 c222 -123 408 -262 593 -441 76 -74 138 -139 138 -144 0 -16 -233 -242 -330 -319 -155 -123 -309 -223 -461 -299 l-81 -41 32 46 c18 26 49 83 70 128 143 306 141 649 -6 957 -25 52 -61 116 -79 142 l-34 47 45 -20 c26 -10 76 -36 113 -56z m-2057 25 c-40 -58 -105 -190 -130 -263 -110 -324 -59 -707 132 -981 25 -35 42 -64 37 -64 -19 0 -241 119 -326 174 -188 122 -406 314 -532 468 l-58 71 108 103 c185 178 428 349 672 473 66 33 121 60 123 61 2 0 -10 -19 -26 -42z\"\/><path d=\"M2375 1950 c-198 -44 -350 -190 -395 -379 -18 -76 -8 -221 19 -290 114 -284 457 -406 731 -260 98 52 188 154 231 260 27 69 37 214 19 290 -38 163 -166 304 -326 360 -67 23 -215 33 -279 19z\"\/><\/g><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/astrocomplutense.es\/nova\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":3205,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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Mi\u00e9rcoles 16 de Febrero de 2022 Manuel Talero nos habl\u00f3 de las Estrellas Variables. Este tema lo hemos abordado en numerosas ocasiones en la AAC pero siempre es interesante recordar qu\u00e9 son y cu\u00e1les son los m\u00e9todos para detectar sus variaciones de luminosidad.","_links":{"self":[{"href":"https:\/\/astrocomplutense.es\/nova\/wp-json\/wp\/v2\/posts\/3204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astrocomplutense.es\/nova\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/astrocomplutense.es\/nova\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/astrocomplutense.es\/nova\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/astrocomplutense.es\/nova\/wp-json\/wp\/v2\/comments?post=3204"}],"version-history":[{"count":0,"href":"https:\/\/astrocomplutense.es\/nova\/wp-json\/wp\/v2\/posts\/3204\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrocomplutense.es\/nova\/wp-json\/wp\/v2\/media\/3205"}],"wp:attachment":[{"href":"https:\/\/astrocomplutense.es\/nova\/wp-json\/wp\/v2\/media?parent=3204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrocomplutense.es\/nova\/wp-json\/wp\/v2\/categories?post=3204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrocomplutense.es\/nova\/wp-json\/wp\/v2\/tags?post=3204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}