Search for TeV gamma ray emission from the Andromeda galaxy

Aharonian, F. A.; Akhperjanian, A. G.; Beilicke, M.; Bernlöhr, K.; Bojahr, H.; Bolz, O.; Borst, H.; Coarasa, T.; Contreras, J. L.; Cortina, J.; Denninghoff, S.; Fonseca, V.; Girma, M.; Gotting, N.; Heinzelmann, G.; Hermann, G.; Heusler, A.; Hofmann, W.; Horns, D.; Jung, I.; Kankanyan, R.; Kestel, M.; Kohnle, A.; Konopelko, A.; Kornmeyer, H.; Kranich, D.; Krawczynski, H.; Lampeitl, H.; Lopez, M.; Lorenz, E.; Lucarelli, F.; Mang, O.; Meyer, H.; Mirzoyan, R.; Moralejo, A.; Ona, E.; Panter, M.; Plyasheshnikov, A.; Pühlhofer, G.; Rauterberg, G.; Reyes, R.; Rhode, W.; Ripken, J.; Rohring, A.; Rowell, G. P.; Sahakian, V.; Samorski, M.; Schilling, M.; Siems, M.; Sobzynska, D.; Stamm, W.; Tluczykont, M.; Völk, H. J.; Wiedner, C. A.; Wittek, W.

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Search for TeV gamma ray emission from the Andromeda galaxy

Aharonian, F. A., Akhperjanian, A. G., Beilicke, M., Bernlöhr, K., Bojahr, H., Bolz, O., et al. (2003). Search for TeV gamma ray emission from the Andromeda galaxy. Astronomy & Astrophysics, 400(1), 153-159.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8F38-6 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-D6FD-4

Genre: Journal Article

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Creators:
Aharonian, F. A.¹, Author
Akhperjanian, A. G.¹, Author
Beilicke, M.¹, Author
Bernlöhr, K.¹, Author
Bojahr, H.², Author
Bolz, O.¹, Author
Borst, H.², Author
Coarasa, T.², Author
Contreras, J. L.², Author
Cortina, J.², Author
Denninghoff, S.², Author
Fonseca, V.², Author
Girma, M.¹, Author
Gotting, N.², Author
Heinzelmann, G.², Author
Hermann, G.¹, Author
Heusler, A.¹, Author
Hofmann, W.¹, Author
Horns, D.¹, Author
Jung, I.¹, Author
Kankanyan, R.¹, Author         Kestel, M.², AuthorKohnle, A.¹, Author         Konopelko, A.³, Author         Kornmeyer, H.², AuthorKranich, D.², AuthorKrawczynski, H.¹, Author         Lampeitl, H.¹, Author         Lopez, M.², AuthorLorenz, E.², AuthorLucarelli, F.², AuthorMang, O.², AuthorMeyer, H.², AuthorMirzoyan, R.², AuthorMoralejo, A.², AuthorOna, E.², AuthorPanter, M.¹, Author         Plyasheshnikov, A.¹, Author         Pühlhofer, G.¹, Author         Rauterberg, G.², AuthorReyes, R.², AuthorRhode, W.², AuthorRipken, J.², AuthorRohring, A.², AuthorRowell, G. P.¹, Author         Sahakian, V.², AuthorSamorski, M.², AuthorSchilling, M.¹, Author         Siems, M.², AuthorSobzynska, D.², AuthorStamm, W.², AuthorTluczykont, M.², AuthorVölk, H. J.³, Author         Wiedner, C. A.¹, Author         Wittek, W.¹, Author          more..

Affiliations:
1Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550
2Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany; Univ Complutense, Fac Ciencias Fis, E-28040 Madrid, Spain; Univ Hamburg, Inst Phys Expt, D-22761 Hamburg, Germany; Univ Kiel, Inst Expt & Angew Phys, D-24118 Kiel, Germany; Univ Wuppertal, Fachbereich Phys, D-42097 Wuppertal, Germany; Yerevan Phys Inst, Yerevan 375036, Armenia, ou_persistent22
3Prof. Heinrich J. Völk, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907548

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Free keywords: gamma rays : observations; galaxies : individual : M 31; dark matter

Abstract: Using the HEGRA system of imaging atmospheric Cherenkov telescopes, the Andromeda galaxy (M31) was surveyed for TeV gamma ray emission. Given the large field of view of the HEGRA telescopes, three pointings were sufficient to cover all of M31, including also M32 and NGC 205. No indications for point sources of TeV gamma rays were found. Upper limits are given at a level of a few percent of the Crab flux. A specific search for monoenergetic gamma-ray lines from annihilation of supersymmetric dark matter particles accumulating near the center of M31 resulted in flux limits in the 10(-13) cm(-2) s(- 1) range, well above the predicted MSSM flux levels except for models with pronounced dark-matter spikes or strongly enhanced annihilation rates.

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Language(s): eng - English

Dates: Date issued: 2003-03

Publication Status: Issued

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Rev. Type: Peer

Identifiers: eDoc: 29217
ISI: 000181177300018

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Title: Astronomy & Astrophysics

Alternative Title : Astron. Astrophys.

Source Genre: Journal

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Pages: - Volume / Issue: 400 (1) Sequence Number: - Start / End Page: 153 - 159 Identifier: ISSN: 0004-6361