SN 2014C: VLBI image shows a shell structure and decelerated expansion
Monthly Notices of the Royal Astronomical Society(2021)
摘要
We report on new Very Long Baseline Interferometry radio measurements of supernova (SN) 2014C in the spiral galaxy NGC 7331, made with the European VLBI Network ∼5 yr after the explosion, as well as on flux density measurements made with the Jansky Very Large Array (VLA). SN 2014C was an unusual SN, initially of Type Ib, but over the course of ∼1 yr, it developed strong H α lines, implying the ons...
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关键词
Supernovae: individual: SN 2014C,radio continuum: general
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