Fermi's Mystery Sources: Methods for Classification and Association
Elizabeth C. Ferrara, Roopesh Ojha, Maria Elena Monzani, Nicola Omodei
TL;DR
This paper reviews methods for classifying unassociated Fermi-LAT gamma-ray sources, demonstrating how gamma-ray properties can distinguish pulsar and AGN candidates to aid in source identification.
Contribution
It introduces classification techniques based solely on gamma-ray properties to categorize Fermi-LAT sources, enhancing source association efforts.
Findings
Successful separation of pulsar and AGN candidates using gamma-ray data
Summary of progress in associating unclassified Fermi sources
Potential for discovering new gamma-ray source classes
Abstract
Unassociated Fermi-LAT sources provide a population with discovery potential. We discuss efforts to find new source associations for this population, and summarize the successes to date. We discuss how the measured gamma-ray properties of associated LAT sources can be used to describe the gamma-ray behavior of more-numerous source classes. Using classification techniques exploiting only these gamma-ray properties, we separate the LAT 2FGL catalog sources into pulsar and AGN candidates.
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