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Revealing the Complexity of the Nebula in NGC 1275 with SITELLE

16 May 2018, 20:18 UTC
Revealing the Complexity of the Nebula in NGC 1275 with SITELLE
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Ph.D. student Marie-Lou Gendron-Marsolais and professor Julie Hlavacek-Larrondo, from the Centre for Research in Astrophysics of Québec (CRAQ) and Université de Montréal, have joined the developers of SITELLE, Laurent Drissen and Thomas Martin from Université Laval, an instrument recently installed at the Canada-France-Hawaii telescope (CFHT), to reveal for the first time the intricate dynamic around the galaxy NGC 1275.Located 250 million light-years from earth, NGC 1275 is not an ordinary galaxy. It sits in the middle of the Perseus galaxy cluster, a gigantic cluster harboring thousands of galaxies in the constellation of the same name. NGC 1275 rests at the center of a hot and diffuse intracluster gas with an average temperature of tens of millions of degrees. This complex gas constitutes a large part of the luminous mass of galaxy clusters: the hot gas tends to cool and fall toward the galaxy while the central supermassive black hole releases powerful jets of energetic particles. These particles blow gigantic bubbles in the hot gas, preventing it from cooling. Astronomers generally dectect these bubbles by using radio radio telescopes. However, a spectacular network of thin intricate filaments surrounding the galaxy NGC 1275 is visible at specific optical wavelengths."These types of filaments ...

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