activity
20052026
most citedCan retired galaxies mimic active galaxies? Clues from the Sloan Digital Sky Survey

327 citations · 489 across the 16 of their papers we have counts for

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astro-ph.GA2015★ 12 cited

Herschel HIFI Observations of the Sgr A +50 km/s Cloud. Deep Searches for O2 in Emission and Foreground Absorption

Aa. Sandqvist, B. Larsson, Å. Hjalmarson +8

To date O2 has definitely been detected in only two sources, namely rho Oph A and Orion, reflecting the extremely low abundance of O2 in the interstellar medium. One of the sources…