Statistical Detection of the HeII Transverse Proximity Effect: Evidence for Sustained Quasar Activity for >25 Million Years

Published in Frontiers in Astronomy and Space Sciences, 2017

Recommended citation: Schmidt, T. M., Worseck, G., Hennawi, J. F., et al. (2017). "Statistical Detection of the HeII Transverse Proximity Effect: Evidence for Sustained Quasar Activity for >25 Million Years." Frontiers in Astronomy and Space Sciences, 4, 23.
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