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    • Asymmetric Expansion of the Youngest Galactic Supernova Remnant G1.9+0.3 

      Borkowski, KJ; Gwynne, P; Reynolds, SP; Green, David Alan; Hwang, U; Petre, R; Willett, R (Institute of Physics Publishing, 2017-03-01)
      The youngest Galactic supernova remnant (SNR) G1.9+0.3, produced by a (probable) SN Ia that exploded ~1900 CE, is strongly asymmetric at radio wavelengths, much brighter in the north, but bilaterally symmetric in X-rays. ...