3 papers
astro-ph.SR2026
Type Iax supernovae as a source of iron-rich silicate dust
Aman Kumar, Arkaprabha Sarangi
We model the formation of dust in the ejecta of Type Iax supernovae (SNe), which is a low-luminosity subclass of Type Ia SNe. A non-equilibrium chemical kinetic approach is adopted…
astro-ph.HE2026
Neuro-Parametric Spectral Classification of Black Hole and Neutron Star X-ray Binary Systems
Akash Garg, Aman Kumar, Ajit Kembhavi +5
We perform the classification of black hole and neutron star X-ray binary systems using deep neural networks applied to archival RXTE X-ray spectral data. We first construct two ne…
astro-ph.SR2025
Compact Ca II K Brightenings Precede Solar Flares: A Dunn Solar Telescope Pilot Study
Aman Priyadarshi M. Kumar, Juie Shetye, Sean G. Sellers +1
We present a uniform analysis of compact Ca II K (3934 Ã ) brightenings that occur near flare kernels and assess their value as short-lead indicators of solar flare onset. Using hi…