Papers in Refereed Journals

Last modified: Apr 2012

[1] Optical Variability in Active Galactic Nuclei: Starbursts or Disk Instabilities?
T. Kawaguchi, S. Mineshige, M. Umemura, and E. L. Turner
The Astrophysical Journal, 504, 671-679 (1998)

[2] The 1997 Outburst of BL Lacertae and Detection of a 0.6 mag Rapid Variation
K. Matsumoto, T. Kato, D. Nogami, T. Kawaguchi, T. Kinnunen, G. Poyner
Publications of the Astronomical Society of Japan, Vol. 51, p. 253-256 (1999)

[3] Temporal 1/f^alpha Fluctuation from Fractal Magnetic Fields in Black Hole Accretion Flow
T. Kawaguchi, S. Mineshige, M. Machida, R. Matsumoto, and K. Shibata
Publications of the Astronomical Society of Japan, Vol. 52, p. L1-L4 and plate 1 (2000)

[4] Slim Disk Model for Soft Excess and Variability of Narrow-Line Seyfert 1 Galaxies
S. Mineshige, T. Kawaguchi, M. Takeuchi, and K. Hayashida
Publications of the Astronomical Society of Japan, 52, 499-508 (2000)

[5] Broad-Band Spectral Energy Distributions of Active Galactic Nuclei from an Accretion Disk with Advective Coronal Flow
T. Kawaguchi, T. Shimura and S. Mineshige
The Astrophysical Journal, 546, 966--974 (2001)

[6] Theoretical Models of Multi-Waveband QSO Luminosity Functions
T. Hosokawa, S. Mineshige, T. Kawaguchi, K. Yoshikawa and M. Umemura
Publications of the Astronomical Society of Japan, 53, 861--869 (2001)

[7] Two-Temperature Coronal Flow Above a Thin Disk
B.F. Liu, S. Mineshige, F. Meyer, E. Meyfer-Hofmeister and T. Kawaguchi
The Astrophysical Journal Letter, 575, 117--126, 2002

[8] Comptonization in Super--Eddington Accretion Flow and Growth Timescale of Supermassive Blackholes
T. Kawaguchi
The Astrophysical Journal, 2003, 593, 69--84

[9] The Origin of Emission and Absorption Features in TonS180 Chandra Observations
A. Rozanska, B. Czerny, A. Siemiginowska, A.-M. Dumont, and T. Kawaguchi
The Astrophysical Journal, 2004, 600, 96--105

[10] The Origin of Optical Emission from Super-Eddington Accreting Active Galactic Nuelci; the Case of TonS180
T. Kawaguchi, A. Pierens, and J.-M. Hure
Astronomy & Astrophysics, 2004, 415, 47--54

[11] Growth of Massive Black Holes by Super-Eddington Accretion
T. Kawaguchi, K. Aoki, K. Ohta and S. Collin
Astronomy & Astrophysics, 2004, 420, L23--L26

[12] Super-Eddington Accretion Rates in Narrow-Line Seyfert 1 Galaxies; I. General Trend
S. Collin and T. Kawaguchi
Astronomy & Astrophysics, 2004, 426, 797--808

[13] The Largest Blueshifts of [O III] emission line in Two Narrow-Line Quasars
K. Aoki, T. Kawaguchi and K. Ohta
The Astrophysical Journal, 2005, 618, 601--608

[14] New Insights on the Determination of Black Hole Masses by Reverberation Mapping in AGN
S. Collin, T. Kawaguchi, B.M. Peterson, and M. Vestergaard
Astronomy & Astrophysics, 2006, 456, 75--90

[15] Do ULXs Really Contain Intermediate--Mass Black Holes?
K. Vierdayanti, S. Mineshige, K. Ebisawa, and T. Kawaguchi
Publications of the Astronomical Society of Japan, 2006, 58, 915--923

[16] Massive Stellar Black Hole in the Ultra-luminous X-ray Source M82 X-1?
T. Okajima, K. Ebisawa, and T. Kawaguchi
The Astrophysical Journal Letters, 2006, 652, L105--L108

[17] A Bar Fuels a Super-Massive Black hole?: Host Galaxies of Narrow-Line Seyfert 1 Galaxies
K. Ohta, K. Aoki, T. Kawaguchi, and G. Kiuchi
The Astrophysical Journal Supplement, 2007, 169, 1--20

[18] First Detection of 12CO (1--0) Emission from Two Narrow-Line Seyfert 1 Galaxies
T. Kawaguchi, K. Nakanishi, K. Kohno, K. Ohta, and K. Aoki
The Astrophysical Journal, 2008 (March), 676, 137--146

[19] Formation of Intermediate-Mass Black Holes as Primordial Black Holes in the Inflationary Cosmology with Running Spectral Index
T. Kawaguchi, M. Kawasaki, T. Takayama, M. Yamaguchi, and J. Yokoyama
MNRAS, 2008 (Aug), 388, 1426--1432

[20] Long-Term Spectral Variations of Ultraluminous X-ray Sources in the interacting galaxy systems M51 and NGC4490/85
T. Yoshida, K. Ebisawa, K. Matsushita, M. Tsujimoto, and T. Kawaguchi
The Astrophysical Journal, 2010, 722, 760--773

[21] Orientation Effects on the Inner Region of Dusty Torus of Active Galactic Nuclei
T. Kawaguchi, and M. Mori
The Astrophysical Journal Letters, 2010, 724, 183--187

[22] Near-Infrared Reverberation by Dusty Clumpy Tori in Active Galactic Nuclei
T. Kawaguchi, and M. Mori
The Astrophysical Journal, 2011, 737, 105--120

[23] RXTE Follow-up Observations of the Black Hole Candidate MAXI J1659--152 Discovered by MAXI and Swift
K. Yamaoka, R. Allured, P. Kaaret, J.A. Kennea, T. Kawaguchi, P. Ghandi, N. Shaposhnikov, Y. Ueda, S. Nakahira, T. Kotani, H. Negoro, I. Takahashi, A. Yoshida, N. Kawai and S. Sugita
Publications of the Astronomical Society of Japan, 2012, 64, 32 [15 pages]

[24] Investigating slim disk solutions for HLX-1 in ESO 243-49
O. Godet, B. Plazolles, T. Kawaguchi, J.-P. Lasota, D. Barret, S. Farrell, V. Braito, M. Servillat, N. Webb and N. Gehrels
accepted for publication in The Astrophysical Journal (arXiv:1204.3461)

Contributions to Proceedings

First-authored publications are listed here.

[1] Optical Variability in AGNs: Disk Instability or Starbursts?
T. Kawaguchi, S. Mineshige, M. Umemura, and E. L. Turner
in The Hot Universe (IAU Symp 188)
ed. K. Koyama, S. Kitamoto, M. Itoh (Dordrecht Kluwer Academic) No.188, p. 451-452 (1998)

[2] AGN Variability
Kawaguchi, T., and Mineshige, S.
in Active Galactic Nuclei and Related Phenomena (IAU Sympo. 194), Invited Review
ed. Y. Terzian, D. Weedman, and E. Khachikian (A.S.P. IAU Sympo. 194) p. 356-363 (1999)

[3] A Model for the Hard X-Ray Lags in Cygnus X-1
Kawaguchi, T., Manmoto, T., Mineshige, S., and Kato, S.
in Disk Instabilities in Close Binary Systems, ed. S. Mineshige, J.C. Wheeler
(Tokyo: Universal Academy Press), p.289-294 (1999)

[4] Spectral Variability of ADAF: on the hard X-ray time lags in Cyg X-1
Kawaguchi, T., Manmoto, T., Mineshige, S., and Kato, S.
in Proc. of ASCA 4th Symp., Heating and Acceleration in The Universe,
ed. H. Inoue, T. Ohashi, T. Takahashi, Astronomische Nachrichten, 320 (4/5), p. 368-368 (1999)

[5] Black-Hole Accretion Disks
Mineshige, S., Yonehara, A, Kawaguchi, T.
in Proc. of Yukawa International Seminar 99, Black Holes and Gravitational Waves,
ed. T. Nakamura, H. Kodama, Prog. Theor. Phys. Supple, 136, p. 235-250 (1999)

[6] Spectral Energy Distributions of Active Galactic Nuclei from an Accretion Disk with Advective Coronal Flow
Kawaguchi, T., Shimura, T., Mineshige, S.
in Proc. of Observational and theoretical progress in the study of Narrow-Line Seyfert 1 galaxies,
ed. Th. Boller, N. Brandt, K. Leighly, M. Ward, New Astronomy Reviews, 2000, Volume 44, Issues 7-9, p.443-445

[7] Slim Disk Model for Narrow-Line Seyfert 1 Galaxies
Mineshige, S., Kawaguchi, T., Takuechi, M.
in Proc. of Observational and theoretical progress in the study of Narrow-Line Seyfert 1 galaxies,
ed. Th. Boller, N. Brandt, K. Leighly, M. Ward, New Astronomy Reviews, 2000, Volume 44, Issues 7-9, p.435-437

[8] Temporal 1/f^alpha Fluctuation from Fractal Magnetic Fields in Black Hole Accretion Flow
T. Kawaguchi, S. Mineshige, M. Machida, and R. Matsumoto
in Proc. of Probing the Physics of Active Galactic Nuclei by Multiwavelength Monitoring held in June, 2000, at Goddard/NASA
ed. B.M. Peterson, R.S. Polidan, and R.W. Pogge (San Francisco: A.S.P. Conf. Ser., 224), p. 97-104 (2001)

[9] Star Formation Activities in Narrow-Line Seyfert 1 Galaxies
T. Kawaguchi, and K. Aoki
Poster contributions of the "Advanced Lectures on the Starburst-AGN Connection"
Eds R. Mujica, I. Aretxaga, and D. Kunth (held in Tonantzintla, Puebla, Mexico, in June 25--29, 2000)
Available at Electronic Edition p. 51-54 (2001 at Mexico) and http://www.kusastro.kyoto-u.ac.jp/~kawaguti/agn_2000_kawaguchi.ps.gz (103kb, Japan)

[10] A Disk-Corona model for optical-to-hard X-ray spectra of Active Galactic Nuclei
T. Kawaguchi, T. Shimura and S. Mineshige
in Proc. of New Century of X-ray Astronomy (Yokohama, March, 2001),
ed. H. Inoue and H. Kunieda, ASP Conf. Series 251, p. 370-371 (2001)

[11] Accretioin disk-corona models: X-ray variability amplitude and spectral variability
T. Kawaguchi
in Proc. of MAXI Workshop on AGN Variability (Nikko, Japan, March, 2001),
ed. N.Kawai, H.Negoro, A.Yoshida, T.Mihara (Seiyo Printing Co. Japan), p. 203--208 (2003)

[12] A Disk-Corona Model for Optical--to--Hard X-ray spectrum of AGN
T. Kawaguchi, T. Shimura and S. Mineshige
in Proc. of X-ray Emission from Accretion onto Black Holes (JHU/LHEA Workshop, June 20--23, 2001),
http://www.pha.jhu.edu/groups/astro/workshop2001/papers/kawaguchi_t.ps (2001)

[13] Electron Scattering in Super-Eddington Accretion Flows and Age Estimation of Supermassive Black Holes
T. Kawaguchi
in Proc. of Active Galactic Nuclei: From Central Engine to Host Galaxies (Meudon, July, 2002),
eds. S. Collin, F. Combes and I. Shlosman (ASP Conf. Series, 290), p. 103--104 (2003)

[14] Spectral Modeling of Super-Eddington Active Galactic Nuclei
T. Kawaguchi
in Proc. of Stellar-Mass, Intermediate -Masss, and Supermassive Black Holes (Kyoto, Oct. 28-31, 2003),
eds. K. Makishima and S. Mineshige, Progress of Theoretical Physics, Supplement, 155, 120--123 (2004)

[15] Growth of massive Black Holes by super-Eddington accretion
T. Kawaguchi
in Proc. of GROWING BLACK HOLES: Accretion in a Cosmological Context (Garching, June 21-25 2004),
eds. A. Merloni, S. Nayakshin and R. Sunyaev, ESO Astrophysics Symposia, p. 307--308 (2005)

[16] Physics of Super-Eddington Accretion Discs
T. Kawaguchi
in Proc. of Ringberg Castle Workshop on AGN Physics (Munich, 2004 Nov),
eds. Th. Boller and L. Gallo,
http://www.xray.mpe.mpg.de/~bol/ringberg_2004/presentations/kawaguchi_t.html

[17] CO Observations on Narrow-Line Seyfert 1 Galaxies: Molecular Gas as Reservoir for Coevolving Black Holes and Bulges?
T. Kawaguchi, K. Nakanishi, K. Kohno, K. Ohta and K. Aoki
in Proc. of Galaxy Bulges: Formation and Evolution (IAU Symposium 245, Oxford, 2007 Jul),
eds. M. Bureau, E. Athanassoula and B. Barbuy, ASP Conference Series 245, 249--250

[18] Molecular Gas in Narrow-Line Seyfert 1 Galaxies
T. Kawaguchi, K. Nakanishi, K. Kohno, K. Ohta, K. Aoki, S. Ishizuki, and R. Kawabe
in Proc. of 1st Subaru Symposium "Panoramic Views of Galaxy Formation and Evolution"-- (Hayama, Japan, Dec., 2007),
ed. T. Kodama, (A.S.P. Conference Series 399), p. 427-- (2008)