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Search for QPOs in Perseus with Fermi LAT

Published online by Cambridge University Press:  07 April 2020

Rodrigo Nemmen Open the ORCID record for Rodrigo Nemmen [Opens in a new window] ,
Raniere de Menezes  and
Vasileios Paschalidis
Rodrigo Nemmen
Affiliation:
Universidade de São Paulo, Instituto de Astronomia, Geofsica e Ciências Atmosféricas, Departamento de Astronomia, São Paulo, SP05508-090, Brazil email: rodrigo.nemmen@iag.usp.br
Raniere de Menezes
Affiliation:
Universidade de São Paulo, Instituto de Astronomia, Geofsica e Ciências Atmosféricas, Departamento de Astronomia, São Paulo, SP05508-090, Brazil email: rodrigo.nemmen@iag.usp.br
Vasileios Paschalidis
Affiliation:
Depts. of Astronomy & Physics, University of Arizona
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Abstract

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We report the analysis of the gamma-ray variability of NGC 1275–the radio galaxy at the center of the Perseus cluster. NGC 1275 has been observed continuously with the Fermi Large Area Telescope over the last nine years. We applied different time-domain analysis methods including Fourier, wavelets and Bayesian methods, in order to search for quasi-periodic oscillations in the gamma-ray emission. We found no evidence for periodicities of astrophysical origin.

Keywords

gamma rays: observationsgalaxies: nucleigalaxies: jetsgalaxies: active
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S342: Perseus in Sicily: From Black Hole to Cluster Outskirts , May 2018 , pp. 167 - 171
Copyright
© International Astronomical Union 2020

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