2 papers
astro-ph.HE2026
SN 2017hcc and SN 2023usc a comparative spectroscopic study of type IIn supernovae
Sethulakshmi Vazhayil, Firoza K. Sutaria, Riddhiman Sharma +1
We report on a spectroscopic study of the bright, nearby type-IIn supernova SN 2017hcc, and SN 2023usc using data obtained from the Himalayan Chandra Telescope (HCT). SN 2017hcc is…
astro-ph.SR2026
Optical and near-infrared nebular-phase spectroscopy of SN 2024ggi: constraints on the structure of the inner ejecta, progenitor mass, and dust
Emilio Hueichapán, Régis Cartier, Jose L. Prieto +7
We present optical and near-infrared (NIR) spectroscopic observations of the nearby Type II supernova SN\,2024ggi from 250 and 581 days after the explosion. Comparing the evolution…