2 papers
astro-ph.HE2024
North Polar Spur: gaseous plume(s) from star-forming regions at 3-5 kpc from Galactic Center?
E. Churazov, I. Khabibullin, A. M. Bykov +4
We argue that the North Polar Spur (NPS) and many less prominent structures are formed by gaseous metal-rich plumes associated with star-forming regions (SFRs). The SFRs located at…
astro-ph.HE2024
Superluminous supernova SN 2018ibb: Circumstellar shell and spectral effects
Nikolai N. Chugai
I explore observational effects of the cirsumstellar gas around superluminous supernova SN~2018ibb. High velocity Fe II narrow absorptions are reproduced in the model of fragmented…