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20062009
most citedVery-High-Energy Gamma Rays from a Distant Quasar: How Transparent Is the Universe?

446 citations · 1.9k across the 12 of their papers we have counts for

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astro-ph2006★ 17 cited

First bounds on the very high energy gamma-ray emission from Arp 220

J. Albert et al.

Using the Major Atmospheric Gamma Imaging Cherenkov Telescope (MAGIC), we have observed the nearest ultra-luminous infrared galaxy Arp 220 for about 15 hours. No significant signal…