{"id":234093,"date":"2026-03-26T02:27:42","date_gmt":"2026-03-26T07:27:42","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/03\/jwst-reveals-most-distant-red-galaxy-yet-at-redshift-11-45"},"modified":"2026-03-26T02:27:42","modified_gmt":"2026-03-26T07:27:42","slug":"jwst-reveals-most-distant-red-galaxy-yet-at-redshift-11-45","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/03\/jwst-reveals-most-distant-red-galaxy-yet-at-redshift-11-45","title":{"rendered":"JWST reveals most distant red galaxy yet at redshift 11.45"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/jwst-reveals-most-distant-red-galaxy-yet-at-redshift-11-452.jpg\"><\/a><\/p>\n<p>Using the James Webb Space Telescope (JWST), astronomers have discovered a new red galaxy at a redshift of approximately 11.45. The newfound galaxy, which received designation EGS-z11-R0, turns out to be the most distant red galaxy detected to date. The discovery was detailed in a <a href=\"https:\/\/arxiv.org\/abs\/2603.15841\" target=\"_blank\">paper published<\/a> March 18 on the <i>arXiv<\/i> pre-print server.<\/p>\n<p><a href=\"https:\/\/phys.org\/news\/2026-02-webb-unveils-nature-distant-ultraviolet.html?utm_source=embeddings&utm_medium=related&utm_campaign=internal\" rel=\"related\">High-redshift galaxies<\/a> (with redshifts above 10.0) identified by JWST, therefore when the universe was only a few hundred million years old, are predominantly characterized by extremely blue rest-frame ultraviolet (UV) slopes. This is due to the fact that they are composed of very young, massive stars that emit intense UV light, with minimal dust attenuation.<\/p>\n<p>However, recent observations have revealed the existence of a small population of <a href=\"https:\/\/phys.org\/news\/2023-01-reveals-wide-diversity-galaxies-early.html?utm_source=embeddings&utm_medium=related&utm_campaign=internal\" rel=\"related\">high-redshift red galaxies<\/a>, therefore exhibiting significantly redder UV continua. It is assumed that these galaxies are already full of dust and mature stars.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Using the James Webb Space Telescope (JWST), astronomers have discovered a new red galaxy at a redshift of approximately 11.45. The newfound galaxy, which received designation EGS-z11-R0, turns out to be the most distant red galaxy detected to date. The discovery was detailed in a paper published March 18 on the arXiv pre-print server. High-redshift [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-234093","post","type-post","status-publish","format-standard","hentry","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/234093","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\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=234093"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/234093\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=234093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=234093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=234093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}