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astro-ph.GA2026
AKARI near-infrared spectroscopy of circumstellar hydrocarbon dust associated with young stellar objects
Yuki Kuroda, Hidehiro Kaneda, Natsuko Izumi +2
We investigate the processing of the circumstellar polycyclic aromatic hydrocarbons (PAHs) associated with young stellar objects (YSOs) through their stellar activities. We analyze…
astro-ph.GA2026
A systematic study of CO/SiO absorption features in early-type galaxies using AKARI/IRC near-infrared spectra
Eiko Kozaki, Takuma Kokusho, Keiji Nakayama +5
The origin of dust in early-type galaxies (ETGs) remains a long-standing question, with proposed sources being mass loss from evolved stars, galaxy mergers, or grain growth in the…