Late-time Observations of Calcium-rich Transient SN 2019ehk Reveal a Pure Radioactive Decay Power Source
W. V. Jacobson-Galán(Northwestern University), Yossef Zenati(Space Telescope Science Institute), J. C. Raymond(Center for Astrophysics Harvard & Smithsonian), G. Hosseinzadeh(University of Arizona), Alexey Bobrick(ARC Centre of Excellence for Gravitational Wave Discovery), P. K. Blanchard(Northwestern University), E. Berger(Center for Astrophysics Harvard & Smithsonian), Hagai B. Perets(Technion – Israel Institute of Technology), G. Terreran(Las Cumbres Observatory Global Telescope Network), Sebastián Gómez(Space Telescope Science Institute), R. Margutti(Harvard University Press), R. J. Foley(Center for Astrophysics Harvard & Smithsonian), Danny Milisavljevic(Purdue University West Lafayette), C. D. Kilpatrick(University of California, Santa Cruz)
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