3 papers
astro-ph.HE2026
Transient Signatures of Star-Envelope Collisions in Little Red Dots
Tomoya Suzuguchi, Kohei Inayoshi
Little red dots (LRDs) are compact high-redshift objects, newly discovered by the James Webb Space Telescope. Although LRDs exhibit broad Balmer emission lines suggestive of the pr…
astro-ph.HE2025
Quasi-Periodic Eruptions as a Probe of Accretion Disk in Tidal Disruption Events
Tomoya Suzuguchi, Tatsuya Matsumoto
Quasi-periodic eruptions (QPEs) are X-ray transients characterized by nearly regular recurring flares from galactic nuclei. Recent observations have confirmed that some QPEs occur…
astro-ph.HE2025
Possibility of Multi-Messenger Observations of Quasi-Periodic Eruptions with X-rays and Gravitational Waves
Tomoya Suzuguchi, Hidetoshi Omiya, Hiroki Takeda
Recent X-ray observations have discovered a class of periodic X-ray flares in galactic nuclei known as quasi-periodic eruptions (QPEs). A promising explanation of QPEs is an emissi…