{"id":480412,"date":"2026-05-12T06:23:22","date_gmt":"2026-05-12T06:23:22","guid":{"rendered":"https:\/\/www.europesays.com\/ie\/480412\/"},"modified":"2026-05-12T06:23:22","modified_gmt":"2026-05-12T06:23:22","slug":"microlensing-event-at-ogle-2013-blg-0341-hubble-image","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ie\/480412\/","title":{"rendered":"Microlensing Event at OGLE-2013-BLG-0341 (Hubble Image)"},"content":{"rendered":"<p>A follow-up observation by NASA&#8217;s <a href=\"https:\/\/science.nasa.gov\/mission\/hubble\/\" rel=\"nofollow noopener\" target=\"_blank\">Hubble Space Telescope<\/a> shows a field containing a microlensing event that was captured by the Optical Gravitational Lensing Experiment (OGLE) in 2013. This provides an example of how a Hubble image could be used to analyze future microlensing events spotted by NASA&#8217;s Nancy Grace Roman Space Telescope.<\/p>\n<p>In gravitational microlensing, the gravity of a foreground object acts as a lens, magnifying and distorting the light of a background star when the two objects align in the sky.<\/p>\n<p>About the Object<\/p>\n<ul class=\"usa-list--unstyled\" role=\"list\">\n<li class=\"margin-y-0 padding-y-2 bg-carbon-80\">R.A. Position\n<p>R.A. PositionRight ascension \u2013 analogous to longitude \u2013 is one component of an object&#8217;s position.<\/p>\n<p>17:52:07.49\u00a0<\/p>\n<\/li>\n<li class=\"margin-y-0 padding-y-2 \">Dec. Position\n<p>Dec. PositionDeclination \u2013 analogous to latitude \u2013 is one component of an object&#8217;s position.<\/p>\n<p>-29:50:46.0<\/p>\n<\/li>\n<li class=\"margin-y-0 padding-y-2 bg-carbon-80\">Constellation\n<p>ConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.<\/p>\n<p>Sagittarius<\/p>\n<\/li>\n<li class=\"margin-y-0 padding-y-2 \">Distance\n<p>DistanceThe physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.<\/p>\n<p>The center of our galaxy is about 26,000 light-years away<\/p>\n<\/li>\n<li class=\"margin-y-0 padding-y-2 bg-carbon-80\">Dimensions\n<p>DimensionsThe physical size of the object or the apparent angle it subtends on the sky.<\/p>\n<p>This image is 1.3 arcminutes across.<\/p>\n<\/li>\n<\/ul>\n<p>About the Data<\/p>\n<ul class=\"usa-list--unstyled\" role=\"list\">\n<li class=\"margin-y-0 padding-y-2 bg-carbon-80\">Data Description\n<p>Data DescriptionProposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.<br \/>Science Team: The astronomers who planned the observations and analyzed the data. &#8220;PI&#8221; refers to the Principal Investigator.<\/p>\n<p>These images were created with Hubble data from proposal: <a href=\"https:\/\/archive.stsci.edu\/proposal_search.php?mission=hst&amp;id=17776\" rel=\"nofollow noopener\" target=\"_blank\">17776<\/a> (S. Terry).<\/p>\n<\/li>\n<li class=\"margin-y-0 padding-y-2 \">Instrument\n<p>InstrumentThe science instrument used to produce the data.<\/p>\n<p>WFC3\/UVIS<\/p>\n<\/li>\n<li class=\"margin-y-0 padding-y-2 bg-carbon-80\">Exposure Dates\n<p>Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.<\/p>\n<p>29 March 2025<\/p>\n<\/li>\n<li class=\"margin-y-0 padding-y-2 \">Filters\n<p>FiltersThe camera filters that were used in the science observations.<\/p>\n<p>F606W, F814W<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"A follow-up observation by NASA&#8217;s Hubble Space Telescope shows a field containing a microlensing event that was captured&hellip;\n","protected":false},"author":2,"featured_media":480413,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[270],"tags":[18,32851,3095,19,17,47691,133,451,1240,47693],"class_list":{"0":"post-480412","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-space","8":"tag-eire","9":"tag-gravitational-lensing","10":"tag-hubble-space-telescope","11":"tag-ie","12":"tag-ireland","13":"tag-nancy-grace-roman-space-telescope","14":"tag-science","15":"tag-space","16":"tag-stars","17":"tag-the-milky-way"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ie\/116560174074502926","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/480412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/comments?post=480412"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/480412\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media\/480413"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media?parent=480412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/categories?post=480412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/tags?post=480412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}