Detection of gamma-ray emission from the Starburst Galaxies M82 and NGC 253 with the Large Area Telescope on Fermi

doi:10.1088/2041-8205/709/2/L152

Title: Detection of gamma-ray emission from the Starburst Galaxies M82 and NGC 253 with the Large Area Telescope on Fermi

Full Record
Other Related Research

Abstract

Here, we report the detection of high-energy γ-ray emission from two starburst galaxies using data obtained with the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. Furthermore, we detected a steady point-like emission above 200 MeV at significance levels of 6.8σ and 4.8σ, respectively, from sources positionally coincident with locations of the starburst galaxies M82 and NGC 253. The total fluxes of the sources are consistent with γ-ray emission originating from the interaction of cosmic rays with local interstellar gas and radiation fields and constitute evidence for a link between massive star formation and γ-ray emission in star-forming galaxies.

Authors:

Abdo, A. A. ^[1]

Naval Research Lab. (NRL), Washington, DC (United States); National Academy of Sciences, Washington, DC (United States); et al.

Publication Date:: 2010-01-14

Research Org.:: SLAC National Accelerator Lab., Menlo Park, CA (United States)

Sponsoring Org.:: USDOE

Contributing Org.:: Fermi LAT Collaboration

OSTI Identifier:: 1357585

Grant/Contract Number:: AC02-76SF00515

Resource Type:: Accepted Manuscript

Journal Name:: Astrophysical Journal Letters

Additional Journal Information:: Journal Volume: 709; Journal Issue: 2; Journal ID: ISSN 2041-8205

Publisher:: Institute of Physics (IOP)

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; cosmic rays; galaxies: individual (M82, NGC 253); gamma rays: general; radiation mechanisms: non-thermal

Citation Formats


                    Abdo, A. A. Detection of gamma-ray emission from the Starburst Galaxies M82 and NGC 253 with the Large Area Telescope on Fermi.  United States: N. p., 2010. 
        Web.  doi:10.1088/2041-8205/709/2/L152.

Copy to clipboard


                    Abdo, A. A. Detection of gamma-ray emission from the Starburst Galaxies M82 and NGC 253 with the Large Area Telescope on Fermi.  United States.  doi:10.1088/2041-8205/709/2/L152.

Copy to clipboard


                    Abdo, A. A. Thu .  
        "Detection of gamma-ray emission from the Starburst Galaxies M82 and NGC 253 with the Large Area Telescope on Fermi".  United States.  doi:10.1088/2041-8205/709/2/L152.  https://www.osti.gov/servlets/purl/1357585.

Copy to clipboard


                    
@article{osti_1357585,

  title        = {Detection of gamma-ray emission from the Starburst Galaxies M82 and NGC 253 with the Large Area Telescope on Fermi},

  author       = {Abdo, A. A.},

  abstractNote = {Here, we report the detection of high-energy γ-ray emission from two starburst galaxies using data obtained with the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. Furthermore, we detected a steady point-like emission above 200 MeV at significance levels of 6.8σ and 4.8σ, respectively, from sources positionally coincident with locations of the starburst galaxies M82 and NGC 253. The total fluxes of the sources are consistent with γ-ray emission originating from the interaction of cosmic rays with local interstellar gas and radiation fields and constitute evidence for a link between massive star formation and γ-ray emission in star-forming galaxies.},

  doi          = {10.1088/2041-8205/709/2/L152},

  journal      = {Astrophysical Journal Letters},

  number       = 2,

  volume       = 709,

  place        = {United States},

  year         = {2010},

  month        = {1}

}

Copy to clipboard

Journal Article:

Free Publicly Available Full Text

Accepted Manuscript (DOE)

Publisher's Version of Record

DOI: 10.1088/2041-8205/709/2/L152

Other availability

Search WorldCat to find libraries that may hold this journal

Citation Metrics:

Cited by: 119 works

Citation information provided by
Web of Science

Save / Share:

Export Metadata

Save to My Library

Similar Records in DOE PAGES and OSTI.GOV collections:

DETECTION OF GAMMA-RAY EMISSION FROM THE STARBURST GALAXIES M82 AND NGC 253 WITH THE LARGE AREA TELESCOPE ON FERMI

Journal Article Abdo, A. A. ; Ackermann, M. ; Ajello, M. ; ... - Astrophysical Journal Letters

We report the detection of high-energy {gamma}-ray emission from two starburst galaxies using data obtained with the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. Steady point-like emission above 200 MeV has been detected at significance levels of 6.8{sigma} and 4.8{sigma}, respectively, from sources positionally coincident with locations of the starburst galaxies M82 and NGC 253. The total fluxes of the sources are consistent with {gamma}-ray emission originating from the interaction of cosmic rays with local interstellar gas and radiation fields and constitute evidence for a link between massive star formation and {gamma}-ray emission in star-forming galaxies.
DOI: 10.1088/2041-8205/709/2/L152; COUNTRY OF INPUT: INTERNATIONAL ATOMIC ENERGY AGENCY (IAEA)
Fermi large area telescope detection of extended gamma-ray emission from the radio galaxy fornax A

Journal Article Ackermann, M. ; Ajello, M. ; Baldini, L. ; ... - The Astrophysical Journal (Online)

Here, we report the Fermi Large Area Telescope detection of extended γ-ray emission from the lobes of the radio galaxy Fornax A using 6.1 years of Pass 8 data. After Centaurus A, this is now the second example of an extended γ-ray source attributed to a radio galaxy. Both an extended flat disk morphology and a morphology following the extended radio lobes were preferred over a point-source description, and the core contribution was constrained to bemore »« less
Cited by 8
DOI: 10.3847/0004-637X/826/1/1

Full Text Available
Search for $γ$ -ray emission from dark matter particle interactions from the Andromeda and Triangulum galaxies with the Fermi Large Area Telescope

Journal Article Di Mauro, Mattia ; Hou, Xian ; Eckner, Christopher ; ... - Physical Review D

The Andromeda (M31) and Triangulum (M33) galaxies are the closest Local Group galaxies to the Milky Way, being only 785 and 870 kpc away. These two galaxies provide an independent view of high-energy processes that are often obscured in our own Galaxy, including possible signals of dark matter (DM) particle interactions. The Fermi Large Area Telescope (Fermi-LAT) preliminary eight year list of sources includes both M31, which is detected as extended with a size of about 0.4°, and M33, which is detected as a pointlike source. The spatial morphology of M31 γ-ray emission could trace a population of unresolved sourcesmore »« less
DOI: 10.1103/physrevd.99.123027
X-ray spectra and large-scale features of two starburst galaxies - NGC 253 and M82

Journal Article Fabbiano, G. - Astrophys. J.; (United States)

The results of Einstein Observatory IPC X-ray observations of the well-known nearby starburst galaxies NGC 253 and M82 are presented. The major axis X-ray surface brightness profile of NGC 253 is steeper than the optical profile, but follows the radio continuum distribution closely. Extended X-ray emission with no optical or radio counterpart is found on the northern side of this galaxy. It is suggested that this emission may be due to gaseous clouds ejected from the starburst nucleus. The X-ray halo of M82 extends as far as 9 arcmin away from the nucleus along the minor axis. The radial distributionmore »« less
DOI: 10.1086/166503
A model-independent analysis of the Fermi Large Area Telescope gamma-ray data from the Milky Way dwarf galaxies and halo to constrain dark matter scenarios

Journal Article Mazziotta, M. N. ; Loparco, F. ; de Palma, F. ; ... - Astroparticle Physics

Here, we implemented a novel technique to perform the collective spectral analysis of sets of multiple gamma-ray point sources using the data collected by the Large Area Telescope onboard the Fermi satellite. The energy spectra of the sources are reconstructed starting from the photon counts and without assuming any spectral model for both the sources and the background. In case of faint sources, upper limits on their fluxes are evaluated with a Bayesian approach. Our analysis technique is very useful when several sources with similar spectral features are studied, such as sources of gamma rays from annihilation of dark mattermore »« less
Cited by 26
DOI: 10.1016/j.astropartphys.2012.07.005

Full Text Available

Similar Records