HESS J1857+026

[References]

H.E.S.S.: F. Aharonian et al., Ap.J. 636, 777-797 (2006)
            K. Kosack et al., 30th ICRC (2007) / arXiv:0710.4057 [astro-ph] p.88
            F. Aharonian et al., Astron. Astrophys. 477, 353-363 (2007)

MAGIC: S. Klepser et al., ICRC 2011 / arXiv:1109.6448 [astro-ph]
            J. Aleksic et al., arXiv:1401.7154 [astro-ph]