{"id":27721,"date":"2021-08-09T02:03:27","date_gmt":"2021-08-09T02:03:27","guid":{"rendered":"https:\/\/telescopenights.com\/?post_type=glossary&#038;p=27721"},"modified":"2021-08-09T02:03:27","modified_gmt":"2021-08-09T02:03:27","slug":"luminosity","status":"publish","type":"glossary","link":"https:\/\/telescopenights.com\/glossary\/luminosity\/","title":{"rendered":"luminosity"},"content":{"rendered":"<p><a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;luminosity&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Luminosity expresses the actual brightness of a star compared to the brightness of the Sun,(...)&lt;\/div&gt;\" href=\"https:\/\/telescopenights.com\/glossary\/luminosity\/\" target=\"_blank\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Luminosity<\/a> expresses the actual brightness of a <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;star&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Star (def): A spherical mass of plasma held together by gravity. There are several types of(...)&lt;\/div&gt;\"  href=\"https:\/\/telescopenights.com\/glossary\/star\/\"  target=\"_blank\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>star<\/a> compared to the brightness of the <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Sun&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;The star at the center of our Solar System is the Sun. The surface temperature of the Sun is(...)&lt;\/div&gt;\"  href=\"https:\/\/telescopenights.com\/glossary\/sun\/\"  target=\"_blank\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>Sun<\/a>, which is 1.0 on the luminosity scale. Examples are Sirius, which has a luminosity of 23 and Rigel of about 50,000.<\/p>\n<p>For more on this, see <a href=\"https:\/\/telescopenights.com\/star-brightness-luminosity-and-magnitude-what-to-know\/\">my article on star brightness and luminosity<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Luminosity expresses the actual brightness of a star compared to the brightness of the Sun, which is 1.0 on the luminosity scale. Examples are Sirius, which has a luminosity of 23 and Rigel of about 50,000. For more &#x2026; <\/p>\n<p class=\"read-more-container\"><a title=\"luminosity\" class=\"read-more button\" href=\"https:\/\/telescopenights.com\/glossary\/luminosity\/\" aria-label=\"Read more about luminosity\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"inline_featured_image":false,"footnotes":""},"_links":{"self":[{"href":"https:\/\/telescopenights.com\/wp-json\/wp\/v2\/glossary\/27721"}],"collection":[{"href":"https:\/\/telescopenights.com\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/telescopenights.com\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/telescopenights.com\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/telescopenights.com\/wp-json\/wp\/v2\/glossary\/27721\/revisions"}],"wp:attachment":[{"href":"https:\/\/telescopenights.com\/wp-json\/wp\/v2\/media?parent=27721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}