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astro-ph.GA2025
JWST/MIRI Observations of PAH Emission and Evolution in H II Regions of NGC 5457
Atul Kumar Singh, Rahul Kumar Anand, Shantanu Rastogi
Aims: To investigate the physical processing of PAHs in high-mass star-forming environments. This study aims to characterize how the PAH ionization fraction varies across different…
astro-ph.GA2025
Probing Dust and PAH Chemistry in Evolved Carbon-Rich Nebulae through Optical and Infrared Observations
Rahul Kumar Anand, Atul Kumar Singh, Saurabh Sharma +2
This study presents optical and near-infrared photometric observations, alongside mid-infrared spectroscopic data from the ISO SWS instrument, to examine potential correlations bet…