Obscuring Fraction of Active Galactic Nuclei Implied by Supernova and Radiative Feedbacks
Kawakatu, Nozomu, Wada, Keiichi, Ichikawa, Kohei
Published in The Astrophysical journal (01.02.2020)
Published in The Astrophysical journal (01.02.2020)
Get full text
Journal Article
THE COMPLETE INFRARED VIEW OF ACTIVE GALACTIC NUCLEI FROM THE 70 MONTH SWIFT/BAT CATALOG
Ichikawa, Kohei, Ricci, Claudio, Ueda, Yoshihiro, Matsuoka, Kenta, Toba, Yoshiki, Kawamuro, Taiki, Trakhtenbrot, Benny, Koss, Michael J.
Published in The Astrophysical journal (20.01.2017)
Published in The Astrophysical journal (20.01.2017)
Get full text
Journal Article
BAT AGN Spectroscopic Survey. I. Spectral Measurements, Derived Quantities, and AGN Demographics
Koss, Michael, Trakhtenbrot, Benny, Ricci, Claudio, Lamperti, Isabella, Oh, Kyuseok, Berney, Simon, Schawinski, Kevin, Balokovi, Mislav, Baronchelli, Linda, Crenshaw, D. Michael, Fischer, Travis, Gehrels, Neil, Harrison, Fiona, Hashimoto, Yasuhiro, Hogg, Drew, Ichikawa, Kohei, Masetti, Nicola, Mushotzky, Richard, Sartori, Lia, Stern, Daniel, Treister, Ezequiel, Ueda, Yoshihiro, Veilleux, Sylvain, Winter, Lisa
Published in The Astrophysical journal (20.11.2017)
Published in The Astrophysical journal (20.11.2017)
Get full text
Journal Article
Gravitational Waves from Supermassive Black Hole Binaries in Ultraluminous Infrared Galaxies
Inayoshi, Kohei, Ichikawa, Kohei, Haiman, Zoltán
Published in Astrophysical journal. Letters (20.08.2018)
Published in Astrophysical journal. Letters (20.08.2018)
Get full text
Journal Article
BAT AGN Spectroscopic Survey. XI. The Covering Factor of Dust and Gas in Swift/BAT Active Galactic Nuclei
Ichikawa, Kohei, Ricci, Claudio, Ueda, Yoshihiro, Bauer, Franz E., Kawamuro, Taiki, Koss, Michael J., Oh, Kyuseok, Rosario, David J., Shimizu, T. Taro, Stalevski, Marko, Fuller, Lindsay, Packham, Christopher, Trakhtenbrot, Benny
Published in The Astrophysical journal (01.01.2019)
Published in The Astrophysical journal (01.01.2019)
Get full text
Journal Article
ALMA Polarimetry Measures Magnetically Aligned Dust Grains in the Torus of NGC 1068
Lopez-Rodriguez, Enrique, Alonso-Herrero, Almudena, García-Burillo, Santiago, Gordon, Michael S., Ichikawa, Kohei, Imanishi, Masatoshi, Kameno, Seiji, Levenson, Nancy A., Nikutta, Robert, Packham, Chris
Published in The Astrophysical journal (01.04.2020)
Published in The Astrophysical journal (01.04.2020)
Get full text
Journal Article
Exploring Low-mass Black Holes through Tidal Disruption Events in the Early Universe: Perspectives in the Era of the JWST, Roman Space Telescope, and LSST Surveys
Inayoshi, Kohei, Kashiyama, Kazumi, Li, Wenxiu, Harikane, Yuichi, Ichikawa, Kohei, Onoue, Masafusa
Published in The Astrophysical journal (01.05.2024)
Published in The Astrophysical journal (01.05.2024)
Get full text
Journal Article
Application of an X-Ray Clumpy Torus Model (XCLUMPY) to 10 Obscured Active Galactic Nuclei Observed with Suzaku and NuSTAR
Tanimoto, Atsushi, Ueda, Yoshihiro, Odaka, Hirokazu, Ogawa, Shoji, Yamada, Satoshi, Kawaguchi, Toshihiro, Ichikawa, Kohei
Published in The Astrophysical journal (01.07.2020)
Published in The Astrophysical journal (01.07.2020)
Get full text
Journal Article
BASS. XXX. Distribution Functions of DR2 Eddington Ratios, Black Hole Masses, and X-Ray Luminosities
Ananna, Tonima Tasnim, Weigel, Anna K., Trakhtenbrot, Benny, Koss, Michael J., Urry, C. Megan, Ricci, Claudio, Hickox, Ryan C., Treister, Ezequiel, Bauer, Franz E., Ueda, Yoshihiro, Mushotzky, Richard, Ricci, Federica, Oh, Kyuseok, Mejía-Restrepo, Julian E., Brok, Jakob Den, Stern, Daniel, Powell, Meredith C., Caglar, Turgay, Ichikawa, Kohei, Wong, O. Ivy, Harrison, Fiona A., Schawinski, Kevin
Published in The Astrophysical journal. Supplement series (01.07.2022)
Published in The Astrophysical journal. Supplement series (01.07.2022)
Get full text
Journal Article
Finding of a Population of Active Galactic Nuclei Showing a Significant Luminosity Decline in the Past ∼103–104 yr
Pflugradt, Janek, Ichikawa, Kohei, Akiyama, Masayuki, Kokubo, Mitsuru, Vijarnwannaluk, Bovornpractch, Noda, Hirofumi, Chen, Xiaoyang
Published in The Astrophysical journal (01.10.2022)
Published in The Astrophysical journal (01.10.2022)
Get full text
Journal Article