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Infrared Absorption and its Sources of CdZnTe at Cryogenic Temperature
Hiroshi Maeshima, Kosei Matsumoto, Yasuhiro Hirahara +10
To reveal the infrared absorption causes in the wavelength region between electronic and lattice absorptions, we measured the temperature dependence of the absorption coefficient o…
Study of the Inner Structure of the Molecular Torus in IRAS 08572+3915 NW with Velocity Decomposition of CO Rovibrational Absorption Lines
Shusuke Onishi, Takao Nakagawa, Shunsuke Baba +6
Understanding the inner structure of the clumpy molecular torus surrounding the active galactic nucleus is essential in revealing the forming mechanism. However, spatially resolvin…
The role of SPICA-like missions and the Origins Space Telescope in the quest for heavily obscured AGN and synergies with Athena
L. Barchiesi, F. Pozzi, C. Vignali +21
In the BH-galaxy co-evolution framework, most of the star-formation (SF) and the black hole (BH) accretion is expected to take place in highly obscured conditions. Thus, obscured A…
A systematic study of silicate absorption features in heavily obscured AGNs observed by Spitzer/IRS
T. Tsuchikawa, H. Kaneda, S. Oyabu +4
Heavily obscured active galactic nuclei (AGNs) are known to show deep silicate absorption features in the mid-infrared (IR) wavelength range of 10--20~m. The detailed profiles o…
[CII] emission properties of the massive star-forming region RCW36 in a filamentary molecular cloud
T. Suzuki, S. Oyabu, S. K. Ghosh +10
Aims: To investigate properties of [CII]158 m emission of RCW36 in a dense filamentary cloud. Methods: [CII] observations of RCW36 covering an area of ~30 arcmin30 arcmi…
How does the Polar Dust affect the Correlation between Dust Covering Factor and Eddington Ratio in Type 1 Quasars Selected from the Sloan Digital Sky Survey Data Release 16?
Yoshiki Toba, Yoshihiro Ueda, Poshak Gandhi +7
We revisit the dependence of covering factor (CF) of dust torus on physical properties of active galactic nuclei (AGNs) by taking into account an AGN polar dust emission. The CF is…