- Kyoto UniversityJP2 papers
- National Astronomical Observatory of JapanJP2 papers
- Astronomical ObservatoryRS1 paper
- Ibaraki UniversityJP1 paper
- Institute of Astronomy and Astrophysics, Academia SinicaTW1 paper
- Konan UniversityJP1 paper
- Meiji UniversityJP1 paper
- Monash UniversityAU1 paper
- National Institute of Advanced Industrial Science and TechnologyJP1 paper
- Rikkyo UniversityJP1 paper
- The Graduate University for Advanced Studies, SOKENDAIJP1 paper
- The University of TokyoJP1 paper
2 papers
astro-ph.HE2026
Radio Constraints on the Circumstellar Environment of the Type IIb Supernova SN 2024iss
Yuhei Iwata, Tomoki Matsuoka, Masanori Akimoto +6
Type~IIb supernovae exhibit diverse progenitor properties, and radio observations offer a unique probe of their mass-loss histories shortly before the explosion. We present Japanes…
astro-ph.HE2026
Chandra X-Ray Imaging and Spatially Resolved Spectroscopy of SN 1987A: Energy-Dependent Morphology of the Equatorial Ring
Yusuke Sakai, Shinya Yamada, Koji Mori +8
We present a systematic imaging and spatially resolved spectral study of SN 1987A using Chandra observations obtained between 1999 and 2025. By combining multiepoch ACIS and HETG d…