Searching for gravitational waves from Cassiopeia A with LIGO
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Publication:5302158
DOI10.1088/0264-9381/25/23/235011zbMATH Open1155.83330arXiv0802.3332OpenAlexW2128264875WikidataQ56978113 ScholiaQ56978113MaRDI QIDQ5302158
Author name not available (Why is that?)
Publication date: 6 January 2009
Published in: (Search for Journal in Brave)
Abstract: We describe a search underway for periodic gravitational waves from the central compact object in the supernova remnant Cassiopeia A. The object is the youngest likely neutron star in the Galaxy. Its position is well known, but the object does not pulse in any electromagnetic radiation band and thus presents a challenge in searching the parameter space of frequency and frequency derivatives. We estimate that a fully coherent search can, with a reasonable amount of time on a computing cluster, achieve a sensitivity at which it is theoretically possible (though not likely) to observe a signal even with the initial LIGO noise spectrum. Cassiopeia A is only the second object after the Crab pulsar for which this is true. The search method described here can also obtain interesting results for similar objects with current LIGO sensitivity.
Full work available at URL: https://arxiv.org/abs/0802.3332
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