| dc.contributor.author | Ndiyavala, H. | |
| dc.contributor.author | Venter, C. | |
| dc.contributor.author | Krüger, P. | |
| dc.date.accessioned | 2019-04-02T13:20:51Z | |
| dc.date.available | 2019-04-02T13:20:51Z | |
| dc.date.issued | 2016 | |
| dc.identifier.citation | Ndiyavala, H. et al. 2016. Investigating gamma-ray fluxes from globular clusters. The Proceedings of SAIP2016, the 61st Annual Conference of the South African Institute of Physics: 255-260. [http://events.saip.org.za/getFile.py/access?resId=36&materialId=10&confId=86] | en_US |
| dc.identifier.isbn | 978-0-620-77094-1 (Online) | |
| dc.identifier.uri | http://hdl.handle.net/10394/32108 | |
| dc.identifier.uri | http://events.saip.org.za/getFile.py/access?resId=36&materialId=10&confId=86 | |
| dc.description.abstract | Globular clusters are large collections of old stars that are orbiting the core of
a galaxy. Our Milky Way Galaxy has about 160 known clusters, with perhaps more to be
discovered. We first accumulated the necessary parameters for 16 clusters and ran a numerical
model that predicts the inverse Compton gamma-ray flux expected from each cluster. We
also reanalysed data from 16 clusters observed by the H.E.S.S. very-high-energy (>100 GeV)
gamma-ray telescopes. We confirmed the detection of Terzan 5 and found flux upper limits
for the remaining 15 sources that were consistent with published results. We attempted to
constrain some source parameters using X-ray and gamma-ray data. We lastly list the five most
promising clusters for future observations by the Cherenkov Telescope Array | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | SAIP | en_US |
| dc.title | Investigating gamma-ray fluxes from globular clusters | en_US |
| dc.type | Presentation | en_US |
| dc.contributor.researchID | 12006653 - Venter, Christo | |
| dc.contributor.researchID | 11749903 - Krüger, Petrus Paulus | |
| dc.contributor.researchID | 26403366 - Ndiyavala, Hambeleleni | |
