"Shape and Rotational Motion Models for Tumbling and Monolithic Asteroid 2012 TC4: High Time Resolution Light Curve with the Tomo-e Gozen Camera",
S. Urakawa, R. Ohsawa, S. Sako, S. Okumura, Y. Sakurai, J. Takahashi, K. Imamura, H. Naito, F. Watanabe, R. Nagayoshi,
Y. Murakami, R. Okazaki, T. Sekiguchi, M. Ishiguro, T. Michikami, and M. Yoshikawa, AJ, 157, 155U (2019)
"End-cretaceous cooling and mass extinction driven by a dark cloud encounter",
T. Nimura, T. Ebisuzaki, S. Maruyama, Gondwana Research, 37, 301 (2016)
"Application of the Time Delay Integration Method:
Survey Observations of Geosynchronous Orbit Objects and Short-Term Variability Observations",
S. Okumura, T. Yanagisawa, H. Nakaya, W. Tanaka, K. Nishiyama, N. Takahashi, and M. Yoshikawa, PASJ , 66, 115 (2014)
"Fast Rotation of a Sub-km-sized Near-Earth Object 2011 XA3",
S. Urakawa, K. Ohtsuka, S. Abe, T. Ito, and T. Nakamura, Astronomical Journal, 147, 121 (2014)
"Visible Spectroscopic Observations of a Near-Earth Object, 2012 DA14",
S. Urakawa, M. Fujii, H. Hanayama, J. Takahashi, T. Terai, and O. Ohshima, PASJ, 65, L9 (2013)
"Wide-Band Optical Filter Optimized for Deep Imaging of Small Solar System Bodies",
S. Okumura, K. Nishiyama, S. Urakawa, T. Sakamoto, N. Takahashi, and M. Yoshikawa,
PASJ, 64, 47 (2012)
"Photometric Observations of 107P/Wilson-Harrington",
S. Urakawa, S. Okumura, K. Nishiyama, T. Sakamoto, N. Takahashi, S. Abe, M. Ishiguro, K. Kitazato, D.
Kuroda, S. Hasegawa, K. Ohta, N. Kawai, Y. Shimizu, S. Nagayama, K. Yanagisawa, M. Yoshida, and
M. Yoshikawa, Icarus, 215, 17 (2011)
"Astronomy Education for The Space Age
- Proposals Based on the Present State of Popularization of Astronomy -",
Takahashi, N., Studies on Humanities and Social Sciences of Chiba University, 17, 215 (2008)