1.0KMI - Nagoya Universityhttps://www.kmi.nagoya-u.ac.jp/engrich600338<blockquote class="wp-embedded-content" data-secret="x11yIbbKeb"><a href="https://www.kmi.nagoya-u.ac.jp/eng/seminar/2917/">Close to Detection: Nano-Hertz Gravitational Wave Background</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.kmi.nagoya-u.ac.jp/eng/seminar/2917/embed/#?secret=x11yIbbKeb" width="600" height="338" title="“Close to Detection: Nano-Hertz Gravitational Wave Background” — KMI - Nagoya University" data-secret="x11yIbbKeb" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> “KMI colloquium” 25th Oct (Wed)  17：00 –  Speaker: Keitaro Takahashi (Kumamoto University) Title: Close to Detection: Nano–Hertz Gravitational Wave Background Place: ES635& ZOOM Abstract: Pulsar timing array is an experiment to detect gravitational waves with a frequency of nanohertz by accurate long–term observation of pulsars. The pulsar timing array has various systematic errors such as dispersion delays caused by interstellar plasma and uncertainty in the position and motion of solar system objects, which inhibit detection of gravitational wave signals. Recently, these …https://www.kmi.nagoya-u.ac.jp/eng/wp-content/uploads/sites/2/2023/10/Colloquium_Takahashi_20231025-212x300.jpg