2 papers
astro-ph.HE2025
Absence of Radio Emission Reveals an Exceptionally Weak Explosion of the Putative Historical Supernova Pa 30
Yi-xuan Shao, Ping Zhou, Xiao Zhang +7
We present the first deep radio continuum observations of Pa 30, a nebula hosting a unique optical source driven by an ultrafast outflow with a velocity of 16,000 km s. The…
astro-ph.HE2024
Upper Limits of Ti Decay Emission in Four Nearby Thermonuclear Supernova Remnants
Jianbin Weng, Ping Zhou, Hagai B. Perets +2
To identify progenitors and investigate evidence of He burning, we searched for decay radiation of freshly synthesized Ti in four young nearby thermonuclear supernova remnan…