Hiroshi Nagai
2 papers · Latest:
Galaxies & Cosmology
Full-polarization millimeter wavelength variability of Sagittarius A* during the 2018 EHT campaign
Sgr A* shows distinct millimeter-wave polarization and intensity variability, challenging standard accretion models with new insights from an X-ray flare.
2604.10287
Galaxies & CosmologyMultiphase Gas Structure in the Circumnuclear Region of NGC 5506 Observed with ALMA
ALMA observations of NGC 5506 reveal a geometrically thick circumnuclear disk supported by turbulence, with AGN outflow impacting CO distribution.
2604.07587
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