H.E.S.S. Collaboration
February 13, 2026

New publication on the very distant blazar PKS 0346–27

February 13, 2026

In a new publication in the journal Astronomy & Astrophysics, we present the discovery of gamma-ray emission from the blazar PKS 0346–27. At a cosmological redshift of z=0.991, PKS 0346–27 is the most distant blazar that we have detected so far. PKS 0346–27 is also our Source of the Month for February 2026 – please check out the article!

Publication page
Journal reference: Astronomy & Astrophysics 706, A246 (2026)