{"id":230,"date":"2026-07-28T12:09:52","date_gmt":"2026-07-28T17:09:52","guid":{"rendered":"https:\/\/thestarguru.com\/?p=230"},"modified":"2026-07-28T12:10:30","modified_gmt":"2026-07-28T17:10:30","slug":"r-doradus","status":"publish","type":"post","link":"https:\/\/thestarguru.com\/index.php\/2026\/07\/28\/r-doradus\/","title":{"rendered":"R Doradus"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">R Doradus (also known as HR 1492 or P Doradus) is a red giant star in the constellation Dorado. It has the largest apparent size as viewed from Earth. R Doradus is also a semiregular variable star. In Infrared light, R Doradus is one of the brightest stars in the night sky, although this does not apply with visible light. It is one of the closest large giant stars to Earth, with only a distance of 178 Light Years.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Astronomical data<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Radius (in Solar Radii): 298 <em>R<\/em><sub>\u2609<\/sub><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Diameter (in Kilometers): 414,816,000 km<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mass (in Solar Masses): 0.7 <var>M<\/var><sub>\u2609<\/sub><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Distance (in Light Years): 178 ly<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spectral type: M8III:e (Red)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gallery<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/thestarguru.com\/wp-content\/uploads\/2026\/07\/Screenshot-2026-07-28-120834-1024x576.png\" alt=\"\" class=\"wp-image-231\" srcset=\"https:\/\/thestarguru.com\/wp-content\/uploads\/2026\/07\/Screenshot-2026-07-28-120834-1024x576.png 1024w, https:\/\/thestarguru.com\/wp-content\/uploads\/2026\/07\/Screenshot-2026-07-28-120834-300x169.png 300w, https:\/\/thestarguru.com\/wp-content\/uploads\/2026\/07\/Screenshot-2026-07-28-120834-768x432.png 768w, https:\/\/thestarguru.com\/wp-content\/uploads\/2026\/07\/Screenshot-2026-07-28-120834-1536x864.png 1536w, https:\/\/thestarguru.com\/wp-content\/uploads\/2026\/07\/Screenshot-2026-07-28-120834-2048x1152.png 2048w, https:\/\/thestarguru.com\/wp-content\/uploads\/2026\/07\/Screenshot-2026-07-28-120834-1400x788.png 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-white-color\">R Doradus compared to the other largest stars by apparent size<\/mark><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R Doradus (also known as HR 1492 or P Doradus) is a red giant star in the constellation Dorado. It has the largest apparent size as viewed from Earth. R Doradus is also a semiregular variable star. In Infrared light, R Doradus is one of the brightest stars in the night sky, although this does not apply with visible light.&hellip; <a class=\"continue-reading-link\" href=\"https:\/\/thestarguru.com\/index.php\/2026\/07\/28\/r-doradus\/\">Continue reading <span class=\"screen-reader-text\">R Doradus<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":232,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,7,28],"tags":[],"class_list":["post-230","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-red-giant-stars","category-stars","category-stars-in-the-constellation-dorado","entry"],"_links":{"self":[{"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/posts\/230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/comments?post=230"}],"version-history":[{"count":1,"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/posts\/230\/revisions"}],"predecessor-version":[{"id":233,"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/posts\/230\/revisions\/233"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/media\/232"}],"wp:attachment":[{"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/media?parent=230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/categories?post=230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thestarguru.com\/index.php\/wp-json\/wp\/v2\/tags?post=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}