{"id":204128,"date":"2025-01-20T14:28:16","date_gmt":"2025-01-20T20:28:16","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/01\/newly-discovered-group-hosts-two-optically-dark-star-forming-galaxies"},"modified":"2025-01-20T14:28:16","modified_gmt":"2025-01-20T20:28:16","slug":"newly-discovered-group-hosts-two-optically-dark-star-forming-galaxies","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/01\/newly-discovered-group-hosts-two-optically-dark-star-forming-galaxies","title":{"rendered":"Newly discovered group hosts two optically dark star-forming galaxies"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/newly-discovered-group-hosts-two-optically-dark-star-forming-galaxies2.jpg\"><\/a><\/p>\n<p>An international team of astronomers reports the discovery of a new compact galaxy group using the Atacama Large Millimeter\/submillimeter Array (ALMA). The new group, designated CGG-z4, hosts two optically dark star-forming galaxies. The finding was detailed in a research <a href=\"https:\/\/arxiv.org\/abs\/2501.05288\" target=\"_blank\">paper published<\/a> Jan. 9 on the pre-print server <i>arXiv<\/i>.<\/p>\n<p>Galaxy groups are the smallest aggregates of galaxies, typically containing up to 50 members. For astronomers, overdense structures like protoclusters or <a href=\"https:\/\/phys.org\/tags\/galaxy+groups\/\" rel=\"tag\" class=\"\">galaxy groups<\/a> are prime targets to help them investigate the growth of massive galaxies.<\/p>\n<p>Recent observations performed by a group of astronomers led by Malte Brinch of the Technical University of Denmark, have uncovered the presence of a new galaxy group. They identified the new group with ALMA in the Cosmic Evolution Survey (COSMOS) field.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An international team of astronomers reports the discovery of a new compact galaxy group using the Atacama Large Millimeter\/submillimeter Array (ALMA). The new group, designated CGG-z4, hosts two optically dark star-forming galaxies. The finding was detailed in a research paper published Jan. 9 on the pre-print server arXiv. Galaxy groups are the smallest aggregates of [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[385,8],"tags":[],"class_list":["post-204128","post","type-post","status-publish","format-standard","hentry","category-evolution","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/204128","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/396"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=204128"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/204128\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=204128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=204128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=204128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}