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Fermi LAT and WMAP observations of the supernova remnant HB 21
G. Pivato, J. Hewitt, L. Tibaldo +8
We present the analysis of Fermi Large Area Telescope (LAT) -ray observations of HB~21 (G89.0+4.7). We detect significant -ray emission associated with the remnant: the flux…
Dark Matter Constraints from Observations of 25 Milky Way Satellite Galaxies with the Fermi Large Area Telescope
LAT Collaboration, M. Ackermann, A. Albert +119
The dwarf spheroidal satellite galaxies of the Milky Way are some of the most dark-matter-dominated objects known. Due to their proximity, high dark matter content, and lack of ast…
Search for cosmic-ray induced gamma-ray emission in Galaxy Clusters
M. Ackermann, M. Ajello, A. Albert +123
Current theories predict relativistic hadronic particle populations in clusters of galaxies in addition to the already observed relativistic leptons. In these scenarios hadronic in…
The 1st Fermi LAT SNR Catalog: Constraining the Cosmic Ray Contribution
T. J. Brandt, F. Acero, F. de Palma +2
Despite tantalizing evidence that supernova remnants (SNRs) are the source of Galactic cosmic rays (CRs), including the recent detection of a spectral signature of hadronic gamma-r…
The 1st Fermi LAT SNR Catalog: Probing the Gamma-ray Population
J. W. Hewitt, F. Acero, T. J. Brandt +3
While supernova remnants (SNRs) are widely thought to be powerful accelerators, evidence comes largely from a small number of well-studied cases. Here we systematically determine t…
Constraints on the Galactic Population of TEV Pulsar Wind Nebulae Using Fermi Large Area Telescope Observations
F. Acero, M. Ackermann, M. Ajello +155
Pulsar wind nebulae (PWNe) have been established as the most populous class of TeV gamma-ray emitters. Since launch, the Fermi Large Area Telescope (LAT)identified five high-energy…