{"id":131223,"date":"2021-09-03T19:11:49","date_gmt":"2021-09-03T13:41:49","guid":{"rendered":"https:\/\/blog.forumias.com\/?p=131223"},"modified":"2021-09-04T17:32:57","modified_gmt":"2021-09-04T12:02:57","slug":"blue-straggler-bigger-and-bluer-star-formed-when-one-star-eats-up-another","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/blue-straggler-bigger-and-bluer-star-formed-when-one-star-eats-up-another\/","title":{"rendered":"Blue straggler &#8211; bigger and bluer star formed when one star eats up another"},"content":{"rendered":"\n<h5><b>What is the News?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Indian researchers have done a comprehensive analysis to understand the formation of blue stragglers.<\/span><\/p>\n<h5><b>What are Blue Stragglers?<\/b><\/h5>\n<p><b>Blue stragglers <\/b><span style=\"font-weight: 400;\">are a class of stars on open or globular clusters. They stand out as they are bigger and bluer than the rest of the stars.<\/span><\/p>\n<p><b>Note:<\/b><span style=\"font-weight: 400;\"> A globular cluster is a spherical collection of stars. Globular clusters are very tightly bound by gravity giving them their spherical shapes and high concentrations of stars toward their centers.<\/span><\/p>\n<p><b>First Discovered by:<\/b> <span style=\"font-weight: 400;\">Blue stragglers were first discovered by Allan Sandage in 1953<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h5><b>About the study by Indian Researchers:<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Indian Researchers have studied 228 clusters with a total of 868 blue stragglers. <\/span><span style=\"font-weight: 400;\">They compared the mass of the blue stragglers to the mass of the turnoff stars (which are the most massive \u2018normal\u2019 stars in the cluster) and predicted the formation mechanisms. <\/span><span style=\"font-weight: 400;\">They have found that:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Half of the blue stragglers are formed through mass transfer from a close binary companion star,<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">One third are likely formed through collisions of 2 stars and<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">The remaining are formed through interactions of more than 2 stars.<\/span><\/li>\n<\/ol>\n<p><b>Significance of this study:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">The study will help improve understanding of the stellar systems. It will help uncover exciting results in studies of large stellar populations including galaxies.<\/span><\/p>\n<p><b>Source:<\/b><span style=\"font-weight: 400;\"> This post is based on the article \u201c<\/span><b>Blue straggler &#8211; bigger and bluer star formed when one star eats up another<\/b><b>\u201d<\/b><span style=\"font-weight: 400;\"> published in <\/span><b>PIB<\/b><span style=\"font-weight: 400;\"> on <\/span><b>2nd September 2021<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the News? Indian researchers have done a comprehensive analysis to understand the formation of blue stragglers. What are Blue Stragglers? Blue stragglers are a class of stars on open or globular clusters. They stand out as they are bigger and bluer than the rest of the stars. Note: A globular cluster is a&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/blue-straggler-bigger-and-bluer-star-formed-when-one-star-eats-up-another\/\">Continue reading <span class=\"screen-reader-text\">Blue straggler &#8211; bigger and bluer star formed when one star eats up another<\/span><\/a><\/p>\n","protected":false},"author":10317,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,9],"tags":[9494,8992],"class_list":["post-131223","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-public","tag-blue-stragglers","tag-space-technology","entry"],"jetpack_featured_media_url":"","views":{"total":0,"cached_at":"","cached_date":1704810483},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/131223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10317"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=131223"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/131223\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=131223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=131223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=131223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}