Searching for Highly Magnified Stars at Cosmological Distances: Discovery of a Redshift 0.94 Blue Supergiant in Archival Images of the Galaxy Cluster MACS J0416.1-2403

Wenlei Chen, Patrick L. Kelly, Jose M. Diego, Masamune Oguri, Liliya L. R. Williams, Adi Zitrin, Tommaso L. Treu, Nathan Smith, Thomas J. Broadhurst, Nick Kaiser, Ryan J. Foley, Alexei, V Filippenko, Laura Salo, Jens Hjorth, Jonatan Selsing