Fermi Large Area Telescope Detection Of The Young Supernova Remnant Tycho
Abstract
After almost three years of data taking in sky survey mode, the Fermi -LAT has detected γ-ray emission toward the Tycho’s Supernova Remnant (SNR). The Tycho SNR is among the youngest remnants in the Galaxy, originating from a Type Ia Supernova in AD 1572. The γ-ray integral flux from 400 MeV up to 100 GeV has been measured to be (3.5±1.1stat±0.7syst)×10-9 cm-2s-1 with a photon index of 2.3±0.2stat±0.1syst. A simple model consistent with TeV, X-ray and radio data is sufficient to explain the observed emission as originating from π0-decays as a result of cosmicray acceleration and interaction with the ambient medium.
- Authors:
-
- Univ. del Politecnico di Bari (Italy); Istituto Nazionale di Fisica Nucleare (INFN), Bari (Italy)
- Univ. Paris-Saclay, Gif-sur-Yvette (France)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Istituto Nazionale di Fisica Nucleare (INFN), Bari (Italy)
- Univ. of Wurzburg (Germany)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1356770
- Grant/Contract Number:
- AC02-76SF00515
- Resource Type:
- Accepted Manuscript
- Journal Name:
- The Astrophysical Journal. Letters
- Additional Journal Information:
- Journal Volume: 744; Journal Issue: 1; Journal ID: ISSN 2041-8205
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS
Citation Formats
Giordano, F., Naumann-Godo, M., Ballet, J., Bechtol, K., Funk, S., Lande, J., Mazziotta, M. N., Rainò, S., Tanaka, T., Tibolla, O., and Uchiyama, Y. Fermi Large Area Telescope Detection Of The Young Supernova Remnant Tycho. United States: N. p., 2011.
Web. doi:10.1088/2041-8205/744/1/L2.
Giordano, F., Naumann-Godo, M., Ballet, J., Bechtol, K., Funk, S., Lande, J., Mazziotta, M. N., Rainò, S., Tanaka, T., Tibolla, O., & Uchiyama, Y. Fermi Large Area Telescope Detection Of The Young Supernova Remnant Tycho. United States. https://doi.org/10.1088/2041-8205/744/1/L2
Giordano, F., Naumann-Godo, M., Ballet, J., Bechtol, K., Funk, S., Lande, J., Mazziotta, M. N., Rainò, S., Tanaka, T., Tibolla, O., and Uchiyama, Y. Wed .
"Fermi Large Area Telescope Detection Of The Young Supernova Remnant Tycho". United States. https://doi.org/10.1088/2041-8205/744/1/L2. https://www.osti.gov/servlets/purl/1356770.
@article{osti_1356770,
title = {Fermi Large Area Telescope Detection Of The Young Supernova Remnant Tycho},
author = {Giordano, F. and Naumann-Godo, M. and Ballet, J. and Bechtol, K. and Funk, S. and Lande, J. and Mazziotta, M. N. and Rainò, S. and Tanaka, T. and Tibolla, O. and Uchiyama, Y.},
abstractNote = {After almost three years of data taking in sky survey mode, the Fermi -LAT has detected γ-ray emission toward the Tycho’s Supernova Remnant (SNR). The Tycho SNR is among the youngest remnants in the Galaxy, originating from a Type Ia Supernova in AD 1572. The γ-ray integral flux from 400 MeV up to 100 GeV has been measured to be (3.5±1.1stat±0.7syst)×10-9 cm-2s-1 with a photon index of 2.3±0.2stat±0.1syst. A simple model consistent with TeV, X-ray and radio data is sufficient to explain the observed emission as originating from π0-decays as a result of cosmicray acceleration and interaction with the ambient medium.},
doi = {10.1088/2041-8205/744/1/L2},
journal = {The Astrophysical Journal. Letters},
number = 1,
volume = 744,
place = {United States},
year = {Wed Dec 07 00:00:00 EST 2011},
month = {Wed Dec 07 00:00:00 EST 2011}
}
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