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David A. Neufeld et al 2017 ApJ 843 94

The GREAT instrument on SOFIA was used to discover water maser emission at frequencies above 1 THz toward three oxygen-rich evolved stars: W Hya, U Her, and VY CMa.

A. U. Abeysekara et al 2017 ApJ 843 40

The first catalog of TeV gamma-ray sources is presented from the newly completed High Altitude Water Cherenkov Observatory (HAWC) — the most sensitive TeV survey to date for such a large fraction of the sky.

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