Fig 6: B/c stars aren't visible in X-ray (left), not clear it's
astronomical. Right image is more naturally interpreted by nonexpert viewer: http://pic.twitter.com/NoAln6Bppv— Kim Kowal Arcand (@kimberlykowal) April 19, 2017
from http://twitter.com/kimberlykowal
on: April 19, 2017 at 09:31AM