Search for GeV gamma-ray emission from SPT-CL J2012-5649 with six years of DAMPE data
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arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866909336869011456 |
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| author | Manna, Siddhant Desai, Shantanu |
| author_facet | Manna, Siddhant Desai, Shantanu |
| contents | We search for gamma-ray emission from the galaxy cluster SPT-CL J2012-5649 in the energy range from 3 GeV to 1 TeV using the DArk Matter Particle Explorer (DAMPE) telescope. For our analysis, we use three different templates: point source, radial disk, and radial Gaussian. We do not detect a signal with significance $>3σ$ for any of these templates at any location within $R_{200}$ of the cluster center. We obtain 95\% C.L. upper limit on the energy flux ranging between $\sim 10^{-6}$ and $10^{-4} \rm{MeV~cm^{-2}~s^{-1}}$ depending on the energy range. These upper limits are consistent with a previously reported non-zero flux detected by Fermi-LAT at $6σ$ significance. This work represents the first proof of principle search for gamma-ray emission from a single galaxy cluster using DAMPE data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_10983 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Search for GeV gamma-ray emission from SPT-CL J2012-5649 with six years of DAMPE data Manna, Siddhant Desai, Shantanu High Energy Astrophysical Phenomena Cosmology and Nongalactic Astrophysics We search for gamma-ray emission from the galaxy cluster SPT-CL J2012-5649 in the energy range from 3 GeV to 1 TeV using the DArk Matter Particle Explorer (DAMPE) telescope. For our analysis, we use three different templates: point source, radial disk, and radial Gaussian. We do not detect a signal with significance $>3σ$ for any of these templates at any location within $R_{200}$ of the cluster center. We obtain 95\% C.L. upper limit on the energy flux ranging between $\sim 10^{-6}$ and $10^{-4} \rm{MeV~cm^{-2}~s^{-1}}$ depending on the energy range. These upper limits are consistent with a previously reported non-zero flux detected by Fermi-LAT at $6σ$ significance. This work represents the first proof of principle search for gamma-ray emission from a single galaxy cluster using DAMPE data. |
| title | Search for GeV gamma-ray emission from SPT-CL J2012-5649 with six years of DAMPE data |
| topic | High Energy Astrophysical Phenomena Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2408.10983 |