Abstract:Optical spectropolarimetry of the normal thermonuclear supernova(SN) 2019np from β14.5 to +14.5 days relative to π΅-band maximum detected an intrinsic continuum polarization (π cont ) of 0.21%Β±0.09% at the first epoch. Between days β11.5 and +0.5, π cont remained βΌ0 and by day +14.5 was again significant at 0.19%Β±0.10%. Not considering the first epoch, the dominant axis of Si π6355 was roughly constant staying close the continuum until both rotated in opposite directions on day +14.5. Detailed radiation-hyd… Show more
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