{"id":310610,"date":"2017-05-03T09:34:19","date_gmt":"2017-05-03T13:34:19","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20170003535"},"modified":"2017-05-03T09:34:19","modified_gmt":"2017-05-03T13:34:19","slug":"sub-femto-g-free-fall-for-space-based-gravitational-wave-observatories-lisa-pathfinder-results","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=310610","title":{"rendered":"Sub-Femto-g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results"},"content":{"rendered":"<p>Abstract: We report the first results of the LISA Pathfinder in-flight experiment. The results demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free fall with a relative acceleration noise with a square root of the power spectral density of 5.2 +\/- 0.1 fm s(exp -2)\/square root of Hz, or (0.54 +\/- 0.01) x 10(exp -15) g\/square root of Hz, with g the standard gravity, for frequencies between 0.7 and 20 m&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: We report the first results of the LISA Pathfinder in-flight experiment. The results demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free &#8230;<\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-310610","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/310610","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=310610"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/310610\/revisions"}],"predecessor-version":[{"id":310611,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/310610\/revisions\/310611"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=310610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=310610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=310610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}