{"id":344,"date":"2017-03-01T11:58:20","date_gmt":"2017-03-01T10:58:20","guid":{"rendered":"https:\/\/bmk10k.aip.de\/?page_id=344"},"modified":"2021-02-26T17:48:02","modified_gmt":"2021-02-26T16:48:02","slug":"survey-goals","status":"publish","type":"page","link":"https:\/\/bmk10k.aip.de\/?page_id=344","title":{"rendered":"Survey goals"},"content":{"rendered":"\n<p>There are three principle goals with decreasing priority:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Provide seasonal-long light curves of all targets in the long-duration southern PLATO field. Determine the <strong>eclipsing binaries<\/strong> in the field and extract a<strong> variability flag<\/strong> for all accessible stars on the basis of the long-term brightness rms. Aim for n \u2248 100 visits per star in one observing season with a time resolution of (at best) one day. It will enable the determination of precise <strong>photometric periods<\/strong>, in particular stellar <strong>rotation periods<\/strong>, and the expected degree of <strong>spot activity<\/strong> from time changes in the light curves.<\/li><li>Determine the <strong>target contamination<\/strong> down to 2.5\u2032\u2032 for every PLATO pixel on the sky (its pixel size is 15\u2032\u2032). Aim for a magnitude difference of 5 mag in V, i.e. list contaminating targets down to V\u224818mag;<\/li><li>Cross correlate targets with the <a href=\"https:\/\/gaia.aip.de\/\">GAIA eDR3<\/a> and standardize the photometry using the <a href=\"https:\/\/www.aavso.org\/apass\">APASS DR9 catalogue<\/a>.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/bmk10k.aip.de\/wp-content\/uploads\/2021\/02\/BMK_fov-1024x768.png\" alt=\"\" class=\"wp-image-542\" srcset=\"https:\/\/bmk10k.aip.de\/wp-content\/uploads\/2021\/02\/BMK_fov-1024x768.png 1024w, https:\/\/bmk10k.aip.de\/wp-content\/uploads\/2021\/02\/BMK_fov-300x225.png 300w, https:\/\/bmk10k.aip.de\/wp-content\/uploads\/2021\/02\/BMK_fov-768x576.png 768w, https:\/\/bmk10k.aip.de\/wp-content\/uploads\/2021\/02\/BMK_fov.png 1152w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>NGC 6475 = Messier 7 represented with a big dashed circle with the field of view of BMK10k shown as a white square.<\/figcaption><\/figure>\n\n\n","protected":false},"excerpt":{"rendered":"<p>There are three principle goals with decreasing priority: Provide seasonal-long light curves of all targets in the long-duration southern PLATO field. Determine the eclipsing binaries in the field and extract a variability flag for all accessible stars on the basis of the long-term brightness rms. Aim for n \u2248 100 visits per star in one &hellip; <a href=\"https:\/\/bmk10k.aip.de\/?page_id=344\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Survey goals<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":545,"parent":338,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-344","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/bmk10k.aip.de\/index.php?rest_route=\/wp\/v2\/pages\/344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bmk10k.aip.de\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bmk10k.aip.de\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bmk10k.aip.de\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/bmk10k.aip.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=344"}],"version-history":[{"count":5,"href":"https:\/\/bmk10k.aip.de\/index.php?rest_route=\/wp\/v2\/pages\/344\/revisions"}],"predecessor-version":[{"id":544,"href":"https:\/\/bmk10k.aip.de\/index.php?rest_route=\/wp\/v2\/pages\/344\/revisions\/544"}],"up":[{"embeddable":true,"href":"https:\/\/bmk10k.aip.de\/index.php?rest_route=\/wp\/v2\/pages\/338"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bmk10k.aip.de\/index.php?rest_route=\/wp\/v2\/media\/545"}],"wp:attachment":[{"href":"https:\/\/bmk10k.aip.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}