5 papers
NGC 2392 and NGC 4361: Spectroscopic Diagnostics of Planetary Nebula Evolution
Atul Kumar Singh, Saurabh Sharma, Rahul Kumar Anand +3
The study presents a detailed spectroscopic analysis of the planetary nebulae (PNe) NGC~2392 and NGC~4361 using optical spectra obtained from the 2-m Himalayan Chandra Telescope (H…
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…
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…
Investigating open cluster King 6: Detection of three new variables
Vaibhav Kumar Pandey, Arvind K Dattatrey, Apara Tripathi +2
This study presents photometric analysis of the intermediate-age open cluster King 6, utilizing photometric data in UBV(RI) passband and data from the 2MASS mission. The Gaia D…
Research on the Interstellar Medium and Star Formation in the Galaxy: An Indian Perspective
Bhaswati Mookerjea, Maheswar G., Kinsuk Acharyya +24
Although the star formation process has been studied for decades, many important aspects of the physics involved remain unsolved. Recent advancement of instrumentation in the infra…