3 papers
astro-ph.SR2026
On the Origin of a Dusty Circumstellar Medium around Red Supergiants
Das Sujit, Arkaprabha Sarangi, Sutirtha Sengupta
Red supergiant (RSG) stars are widely recognized as significant sources of dust, enriching the interstellar medium. However, the physical conditions that regulate dust nucleation i…
astro-ph.SR2025
Dense Circumstellar Medium around Pulsating Massive Stars Powering Interacting Supernovae
Sutirtha Sengupta, Das Sujit, Arkaprabha Sarangi
We investigate the evolution of red supergiant (RSG) progenitors of core-collapse (CC) supernovae (SNe) with initial masses between focusing on the effects of enhan…
astro-ph.SR2025
Dance to Demise -- How Massive Stars May Form Dense Circumstellar Shells Before Explosion
Sutirtha Sengupta, Das Sujit, Arkaprabha Sarangi
We investigate the evolution of red supergiant (RSG) progenitors of core-collapse supernovae (SNe) with initial masses between and , focusing on effects…