Detection of extended TeV emission around the Geminga pulsar with H.E.S.S.
- Mitchell, A.M.W.
- Caroff, S.
- Hinton, J.
- Mohrmann, L.
- Abdalla, H.
- Aharonian, F.
- Ait Benkhali, F.
- Angüner, E.O.
- Arcaro, C.
- Armand, C.
- Armstrong, T.
- Ashkar, H.
- Backes, M.
- Baghmanyan, V.
- Barbosa Martins, V.
- Barnacka, A.
- Barnard, M.
- Batzofin, R.
- Becherini, Y.
- Berge, D.
- et al.
DOIAbstract
Highly extended gamma-ray emission around the Geminga pulsar was discovered by Milagro and verified by HAWC. Despite many observations with Imaging Atmospheric Cherenkov Telescopes (IACTs), detection of gamma-ray emission on angular scales exceeding the IACT field-of-view has proven challenging. Recent developments in analysis techniques have enabled the detection of significant emission around Geminga in archival data with H.E.S.S.. In 2019, further data on the Geminga region were obtained with an adapted observation strategy. Following the announcement of the detection of significant TeV emission around Geminga in archival data, in this contribution we present the detection in an independent dataset. New analysis results will be presented...
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