Academic literature on the topic 'HESS J1614-518'

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Journal articles on the topic "HESS J1614-518"

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Abdalla, H., A. Abramowski, F. Aharonian, F. Ait Benkhali, A. G. Akhperjanian, T. Andersson, E. O. Angüner, et al. "A search for new supernova remnant shells in the Galactic plane with H.E.S.S." Astronomy & Astrophysics 612 (April 2018): A8. http://dx.doi.org/10.1051/0004-6361/201730737.

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A search for new supernova remnants (SNRs) has been conducted using TeV γ-ray data from the H.E.S.S. Galactic plane survey. As an identification criterion, shell morphologies that are characteristic for known resolved TeV SNRs have been used. Three new SNR candidates were identified in the H.E.S.S. data set with this method. Extensive multiwavelength searches for counterparts were conducted. A radio SNR candidate has been identified to be a counterpart to HESS J1534−571. The TeV source is therefore classified as a SNR. For the other two sources, HESS J1614−518 and HESS J1912+101, no identifying counterparts have been found, thus they remain SNR candidates for the time being. TeV-emitting SNRs are key objects in the context of identifying the accelerators of Galactic cosmic rays. The TeV emission of the relativistic particles in the new sources is examined in view of possible leptonic and hadronic emission scenarios, taking the current multiwavelength knowledge into account.
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Mizukami, T., H. Kubo, T. Yoshida, T. Nakamori, R. Enomoto, T. Tanimori, M. Akimoto, et al. "CANGAROO-III OBSERVATION OF TeV GAMMA RAYS FROM THE UNIDENTIFIED GAMMA-RAY SOURCE HESS J1614–518." Astrophysical Journal 740, no. 2 (October 3, 2011): 78. http://dx.doi.org/10.1088/0004-637x/740/2/78.

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Sakai, Michito, Yukie Yajima, and Hironori Matsumoto. "Nature of the Unidentified TeV Source HESS J1614−518, Revealed by Suzaku and XMM-Newton Observations." Publications of the Astronomical Society of Japan 63, sp3 (November 25, 2011): S879—S887. http://dx.doi.org/10.1093/pasj/63.sp3.s879.

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Matsumoto, Hironori, Hideki Uchiyama, Makoto Sawada, Takeshi G. Tsuru, Katsuji Koyama, Hideaki Katagiri, Ryo Yamazaki, et al. "Discovery of Extended X-Ray Emission from an Unidentified TeV Source, HESS J1614$-$518, Using the Suzaku Satellite." Publications of the Astronomical Society of Japan 60, sp1 (February 20, 2008): S163—S172. http://dx.doi.org/10.1093/pasj/60.sp1.s163.

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Lau, J. C., G. Rowell, F. Voisin, C. Braiding, M. Burton, Y. Fukui, S. Pointon, M. Ashley, C. Jordan, and A. Walsh. "A Study of the Interstellar Medium Towards the Unidentified Dark TeV γ-Ray Sources HESS J1614–518 and HESS J1616–508." Publications of the Astronomical Society of Australia 34 (2017). http://dx.doi.org/10.1017/pasa.2017.59.

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AbstractHESS J1614–518 and HESS J1616–508 are two tera-electron volt γ-ray sources that are not firmly associated with any known counterparts at other wavelengths. We investigate the distribution of interstellar medium towards the tera-electron volt γ-ray sources using results from a 7-mm-wavelength Mopra study, the Mopra Southern Galactic Plane CO Survey, the Millimetre Astronomer’s Legacy Team-45 GHz survey and [C i] data from the HEAT telescope. Data in the CO(1–0) transition lines reveal diffuse gas overlapping the two tera-electron volt sources at several velocities along the line of sight, while observations in the CS(1–0) transition line reveal several interesting dense gas features. To account for the diffuse atomic gas, archival H i data was taken from the Southern Galactic Plane Survey. The observations reveal gas components with masses ~103 to 105 M⊙ and with densities ~102 to 103 cm−3 overlapping the two tera-electron volt sources. Several origin scenarios potentially associated with the tera-electron volt γ-ray sources are discussed in light of the distribution of the local interstellar medium. We find no strong convincing evidence linking any counterpart with HESS J1614–518 or HESS J1616–508.
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Dissertations / Theses on the topic "HESS J1614-518"

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Mizukami, Taku. "Study of Very High Energy Gamma-ray Emission from the Unidentified Source HESS J1614-518 with CANGAROO-III." 京都大学 (Kyoto University), 2013. http://hdl.handle.net/2433/175121.

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Pointon, Stephanie Kate. "A study of the interstellar medium towards the VHE gamma-ray sources HESS J1614-518 and HESS J1616-508." Thesis, 2016. http://hdl.handle.net/2440/98262.

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One of the most intriguing problems in galactic astronomy is the observation of the highest energy photons. Very high energy (VHE) gamma-ray telescopes such as HESS have located sources of TeV (10¹² eV) gamma-rays which are not associated with any known objects. Whilst these could be a new type of particle accelerator, it is more likely that they are related to supernova remnants (SNRs), pulsar wind nebula (PWN) or massive stellar regions. They may result from high energy cosmic-ray (CR) interactions with interstellar gas (ISM). This project used new radio data which provided information on molecular clouds to model the production of gamma-rays from CR interactions. The densities of protons in these clouds were used in models to determine if potential particle accelerators surrounding the two HESS sources, HESS J1616-508 and HESS J1614-518 were capable of producing the emission. The potential accelerators surrounding HESS J1616-508 were all found to have insufficient gas within their diffusion radius. Thus, it was not possible for those sources to produce gamma-rays through hadronic interactions despite only requiring modest CR energy budgets compared to that provided from a SNR. The same result was also found for WR 73-1 and PSR J1613-5211 near HESS J1614-518. However, Pismis 22 and WR 74 contained CO RoI CO1, CO2 and CO25 within their diffusion radii. The energy in CRs required for each region to generate the overlapping gamma-ray emission was compared to the available energy if a SNR was assumed to be the accelerator. The required energy was found to be less than the energy available. Thus, WR 74 and Pismis 22 could still generate the hadronic gamma-ray emission from HESS J1614-518.
Thesis (M.Phil.) -- University of Adelaide, School of Physical Sciences, 2016.
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Conference papers on the topic "HESS J1614-518"

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Guo, Xiao-Lei, and Yu-Liang Xin. "Observations of SNR Candidate HESS J1614-518 with Fermi-LAT." In 37th International Cosmic Ray Conference. Trieste, Italy: Sissa Medialab, 2021. http://dx.doi.org/10.22323/1.395.0629.

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Rowell, G., D. Horns, Y. Fukui, Y. Moriguchi, Felix A. Aharonian, Werner Hofmann, and Frank Rieger. "A Closer Look at the Unidentified TeV Source HESS J1614—518." In HIGH ENERGY GAMMA-RAY ASTRONOMY: Proceedings of the 4th International Meeting on High Energy Gamma-Ray Astronomy. AIP, 2008. http://dx.doi.org/10.1063/1.3076650.

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Sakai, M., Y. Yajima, and H. Matsumoto. "Nature of the Unidentified TeV Source HESS J1614–518 Revealed by Suzaku and XMM-Newton Observations." In Proceedings of the KMI Inauguration Conference. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814412322_0052.

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Sakai, Michito, Yukie Yajima, and Hironori Matsumoto. "Nature of the unidentified TeV source HESS J1614-518 revealed by Suzaku and XMM-Newton observations." In SUZAKU 2011: Exploring the X-ray Universe: Suzaku and Beyond. AIP, 2012. http://dx.doi.org/10.1063/1.3696201.

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