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SEARCH FOR GAMMA-RAY EMISSION FROM DES DWARF SPHEROIDAL GALAXY CANDIDATES WITH FERMI-LAT DATA
- Drlica-Wagner, A. (author)
- Albert, A. (author)
- Bechtol, K. (author)
- show more...
- Wood, M. (author)
- Strigari, L. (author)
- Baldini, L. (author)
- Essig, R. (author)
- Cohen-Tanugi, J. (author)
- Anderson, B. (author)
- Bellazzini, R. (author)
- Bloom, E. D. (author)
- Caputo, R. (author)
- Cecchi, C. (author)
- Charles, E. (author)
- Chiang, J. (author)
- de Angelis, A. (author)
- Funk, S. (author)
- Fusco, P. (author)
- Gargano, F. (author)
- Giglietto, N. (author)
- Giordano, F. (author)
- Guiriec, S. (author)
- Gustafsson, M. (author)
- Kuss, M. (author)
- Loparco, F. (author)
- Lubrano, P. (author)
- Mirabal, N. (author)
- Mizuno, T. (author)
- Morselli, A. (author)
- Ohsugi, T. (author)
- Orlando, E. (author)
- Persic, M. (author)
- Raino, S. (author)
- Sehgal, N. (author)
- Spada, F. (author)
- Suson, D. J. (author)
- Zaharijas, G. (author)
- Abbott, T. (author)
- Allam, S. (author)
- Balbinot, E. (author)
- Bauer, A. H. (author)
- Benoit-Levy, A. (author)
- Bernstein, R. A. (author)
- Bernstein, G. M. (author)
- Bertin, E. (author)
- Brooks, D. (author)
- Buckley-Geer, E. (author)
- Burke, D. L. (author)
- Carnero Rosell, A. (author)
- Castander, F. J. (author)
- Covarrubias, R. (author)
- D'Andrea, C. B. (author)
- da Costa, L. N. (author)
- DePoy, D. L. (author)
- Desai, S. (author)
- Diehl, H. T. (author)
- Cunha, C. E. (author)
- Eifler, T. F. (author)
- Estrada, J. (author)
- Evrard, A. E. (author)
- Fausti Neto, A. (author)
- Fernandez, E. (author)
- Finley, D. A. (author)
- Flaugher, B. (author)
- Frieman, J. (author)
- Gaztanaga, E. (author)
- Gerdes, D. (author)
- Gruen, D. (author)
- Gruendl, R. A. (author)
- Gutierrez, G. (author)
- Honscheid, K. (author)
- Jain, B. (author)
- James, D. (author)
- Jeltema, T. (author)
- Kent, S. (author)
- Kron, R. (author)
- Kuehn, K. (author)
- Kuropatkin, N. (author)
- Lahav, O. (author)
- Li, T. S. (author)
- Luque, E. (author)
- Maia, M. A. G. (author)
- Makler, M. (author)
- March, M. (author)
- Marshall, J. (author)
- Martini, P. (author)
- Merritt, K. W. (author)
- Miller, C. (author)
- Miquel, R. (author)
- Mohr, J. (author)
- Neilsen, E. (author)
- Nord, B. (author)
- Ogando, R. (author)
- Peoples, J. (author)
- Petravick, D. (author)
- Pieres, A. (author)
- Plazas, A. A. (author)
- Queiroz, A. (author)
- Romer, A. K. (author)
- Roodman, A. (author)
- Rykoff, E. S. (author)
- Sako, M. (author)
- Sanchez, E. (author)
- Santiago, B. (author)
- Scarpine, V. (author)
- Schubnell, M. (author)
- Sevilla, I. (author)
- Smith, R. C. (author)
- Soares-Santos, M. (author)
- Sobreira, F. (author)
- Suchyta, E. (author)
- Swanson, M. E. C. (author)
- Tarle, G. (author)
- Thaler, J. (author)
- Thomas, D. (author)
- Tucker, D. (author)
- Walker, A. R. (author)
- Wechsler, R. H. (author)
- Wester, W. (author)
- Williams, P. (author)
- Yanny, B. (author)
- Zuntz, J. (author)
- show less...
- (creator_code:org_t)
- 2015
- 2015
- English.
- In: Astrophysical Journal Letters. - 2041-8205 .- 2041-8213. ; 809:1
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- Due to their proximity, high dark-matter (DM) content, and apparent absence of non-thermal processes, Milky Way dwarf spheroidal satellite galaxies (dSphs) are excellent targets for the indirect detection of DM. Recently, eight new dSph candidates were discovered using the first year of data from the Dark Energy Survey (DES). We searched for gamma-ray emission coincident with the positions of these new objects in six years of Fermi Large Area Telescope data. We found no significant excesses of gamma-ray emission. Under the assumption that the DES candidates are dSphs with DM halo properties similar to the known dSphs, we computed individual and combined limits on the velocity-averaged DM annihilation cross section for these new targets. If the estimated DM content of these dSph candidates is confirmed, they will constrain the annihilation cross section to lie below the thermal relic cross section for DM particles with masses less than or similar to 20 GeV annihilating via the b (b) over bar or pi(+)pi(-) channels.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- dark matter
- galaxies: dwarf
- gamma rays: galaxies
- Local Group
- Physics
- fysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Astrophysical Journal Letters (Search for host publication in LIBRIS)
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- By the author/editor
- Drlica-Wagner, A ...
- Albert, A.
- Bechtol, K.
- Wood, M.
- Strigari, L.
- Sanchez-Conde, M ...
- show more...
- Baldini, L.
- Essig, R.
- Cohen-Tanugi, J.
- Anderson, B.
- Bellazzini, R.
- Bloom, E. D.
- Caputo, R.
- Cecchi, C.
- Charles, E.
- Chiang, J.
- de Angelis, A.
- Funk, S.
- Fusco, P.
- Gargano, F.
- Giglietto, N.
- Giordano, F.
- Guiriec, S.
- Gustafsson, M.
- Kuss, M.
- Loparco, F.
- Lubrano, P.
- Mirabal, N.
- Mizuno, T.
- Morselli, A.
- Ohsugi, T.
- Orlando, E.
- Persic, M.
- Raino, S.
- Sehgal, N.
- Spada, F.
- Suson, D. J.
- Zaharijas, G.
- Zimmer, Stephan
- Abbott, T.
- Allam, S.
- Balbinot, E.
- Bauer, A. H.
- Benoit-Levy, A.
- Bernstein, R. A.
- Bernstein, G. M.
- Bertin, E.
- Brooks, D.
- Buckley-Geer, E.
- Burke, D. L.
- Carnero Rosell, ...
- Castander, F. J.
- Covarrubias, R.
- D'Andrea, C. B.
- da Costa, L. N.
- DePoy, D. L.
- Desai, S.
- Diehl, H. T.
- Cunha, C. E.
- Eifler, T. F.
- Estrada, J.
- Evrard, A. E.
- Fausti Neto, A.
- Fernandez, E.
- Finley, D. A.
- Flaugher, B.
- Frieman, J.
- Gaztanaga, E.
- Gerdes, D.
- Gruen, D.
- Gruendl, R. A.
- Gutierrez, G.
- Honscheid, K.
- Jain, B.
- James, D.
- Jeltema, T.
- Kent, S.
- Kron, R.
- Kuehn, K.
- Kuropatkin, N.
- Lahav, O.
- Li, T. S.
- Luque, E.
- Maia, M. A. G.
- Makler, M.
- March, M.
- Marshall, J.
- Martini, P.
- Merritt, K. W.
- Miller, C.
- Miquel, R.
- Mohr, J.
- Neilsen, E.
- Nord, B.
- Ogando, R.
- Peoples, J.
- Petravick, D.
- Pieres, A.
- Plazas, A. A.
- Queiroz, A.
- Romer, A. K.
- Roodman, A.
- Rykoff, E. S.
- Sako, M.
- Sanchez, E.
- Santiago, B.
- Scarpine, V.
- Schubnell, M.
- Sevilla, I.
- Smith, R. C.
- Soares-Santos, M ...
- Sobreira, F.
- Suchyta, E.
- Swanson, M. E. C ...
- Tarle, G.
- Thaler, J.
- Thomas, D.
- Tucker, D.
- Walker, A. R.
- Wechsler, R. H.
- Wester, W.
- Williams, P.
- Yanny, B.
- Zuntz, J.
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- NATURAL SCIENCES
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- Stockholm University
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