FERMI LAT discovery of extended gamma-ray emissions in the vicinity of the HB 3 supernova remnant
Abstract
We report the discovery of extended gamma-ray emission measured by the Large Area Tele- scope (LAT) onboard the Fermi Gamma-ray Space Telescope in the region of the supernova rem- nant (SNR) HB 3 (G132.7+1.3) and the W3 HII complex adjacent to the southeast of the remnant. W3 is spatially associated with bright 12CO (J=1-0) emission. The gamma-ray emission is spatially correlated with this gas and the SNR. We discuss the possibility that gamma rays originate in inter- actions between particles accelerated in the SNR and interstellar gas or radiation fields. The decay of neutral pions produced in nucleon-nucleon interactions between accelerated hadrons and interstellar gas provides a reasonable explanation for the gamma-ray emission. The emission fromW3 is consistent with irradiation of the CO clouds by the cosmic rays accelerated in HB 3.
- Authors:
-
- Ibaraki Univ. (Japan)
- Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA-Saclay), Gif-sur-Yvette (France)
- CNRS/IN2P3. Univ. Bordeaux (France)
- Univ. of Tokyo (Japan)
- Univ. of Maryland, College Park, MD (United States); NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
- Kyoto Univ. (Japan)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE; National Aeronautics and Space Administration (NASA)
- OSTI Identifier:
- 1355676
- Grant/Contract Number:
- AC02-76SF00515
- Resource Type:
- Accepted Manuscript
- Journal Name:
- The Astrophysical Journal (Online)
- Additional Journal Information:
- Journal Name: The Astrophysical Journal (Online); Journal Volume: 818; Journal Issue: 2; Journal ID: ISSN 1538-4357
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; cosmic rays; gamma rays; ISM; ISM supernova remnants; acceleration of particles
Citation Formats
Katagiri, H., Yoshida, K., Ballet, J., Grondin, M. -H., Hanabata, Y., Hewitt, J. W., Kubo, H., and Lemoine-Goumard, M. FERMI LAT discovery of extended gamma-ray emissions in the vicinity of the HB 3 supernova remnant. United States: N. p., 2016.
Web. doi:10.3847/0004-637X/818/2/114.
Katagiri, H., Yoshida, K., Ballet, J., Grondin, M. -H., Hanabata, Y., Hewitt, J. W., Kubo, H., & Lemoine-Goumard, M. FERMI LAT discovery of extended gamma-ray emissions in the vicinity of the HB 3 supernova remnant. United States. https://doi.org/10.3847/0004-637X/818/2/114
Katagiri, H., Yoshida, K., Ballet, J., Grondin, M. -H., Hanabata, Y., Hewitt, J. W., Kubo, H., and Lemoine-Goumard, M. Thu .
"FERMI LAT discovery of extended gamma-ray emissions in the vicinity of the HB 3 supernova remnant". United States. https://doi.org/10.3847/0004-637X/818/2/114. https://www.osti.gov/servlets/purl/1355676.
@article{osti_1355676,
title = {FERMI LAT discovery of extended gamma-ray emissions in the vicinity of the HB 3 supernova remnant},
author = {Katagiri, H. and Yoshida, K. and Ballet, J. and Grondin, M. -H. and Hanabata, Y. and Hewitt, J. W. and Kubo, H. and Lemoine-Goumard, M.},
abstractNote = {We report the discovery of extended gamma-ray emission measured by the Large Area Tele- scope (LAT) onboard the Fermi Gamma-ray Space Telescope in the region of the supernova rem- nant (SNR) HB 3 (G132.7+1.3) and the W3 HII complex adjacent to the southeast of the remnant. W3 is spatially associated with bright 12CO (J=1-0) emission. The gamma-ray emission is spatially correlated with this gas and the SNR. We discuss the possibility that gamma rays originate in inter- actions between particles accelerated in the SNR and interstellar gas or radiation fields. The decay of neutral pions produced in nucleon-nucleon interactions between accelerated hadrons and interstellar gas provides a reasonable explanation for the gamma-ray emission. The emission fromW3 is consistent with irradiation of the CO clouds by the cosmic rays accelerated in HB 3.},
doi = {10.3847/0004-637X/818/2/114},
journal = {The Astrophysical Journal (Online)},
number = 2,
volume = 818,
place = {United States},
year = {Thu Feb 11 00:00:00 EST 2016},
month = {Thu Feb 11 00:00:00 EST 2016}
}
Web of Science
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