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Papers

Corresponding Papers

  1. Development of a Tracklet Extraction Engine,
    Ohsawa, R., Journal of Space Science Informatics Japan, 2021, 11, in press
    https://ui.adsabs.harvard.edu/abs/2021arXiv210909064O
  2. Relationship between Radar Cross Section and Optical Magnitude based on Radar and Optical Simultaneous Observations of Faint Meteors,
    Ohsawa, R., Hirota, A., Morita, K., Abe, S., Kastinen, D., Kero, J., Szasz, C., Fujiwara, Y., Nakamura, T., Nishimura, K., et al., Planetary and Space Science, 2020, 194, 105011
    10.1016/j.pss.2020.105011
    http://adsabs.harvard.edu/abs/2020P&SS..19405011O
  3. Luminosity function of faint sporadic meteors measured with a wide-field CMOS mosaic camera Tomo-e PM,
    Ohsawa, R., Sako, S., Sarugaku, Y., Usui, F., Ootsubo, T., Fujiwara, Y., Sato, M., Kasuga, T., Arimatsu, K., Watanabe, J., et al., Planetary and Space Science, 2019, 165, 281–292
    10.1016/j.pss.2018.09.006
    https://ui.adsabs.harvard.edu/abs/2019P&SS..165..281O/abstract
  4. “Slow-scanning” in Ground-based Mid-infrared Observations,
    Ohsawa, R., Sako, S., Miyata, T., Kamizuka, T., Okada, K., Mori, K., Uchiyama, M. S., Yamaguchi, J., Fujiyoshi, T., Morii, M., et al., The Astrophysical Journal, 2018, 857, 37
    10.3847/1538-4357/aab6ae
    https://ui.adsabs.harvard.edu/abs/2018ApJ…857…37O/abstract
  5. AKARI/IRC Near-Infrared Spectral Atlas of Galactic Planetary Nebulae,
    Ohsawa, R., Onaka, T., Sakon, I., Matsuura, M., Kaneda, H., The Astronomical Journal, 2016, 151, 93
    10.3847/0004-6256/151/4/93
    https://ui.adsabs.harvard.edu/abs/2016AJ....151…93O/abstract
  6. Impact of the initial disk mass function on the disk fraction,
    Ohsawa, R., Onaka, T., Yasui, C., Publications of the Astronomical Society of Japan, 2015, 67, 120
    10.1093/pasj/psv094
    https://ui.adsabs.harvard.edu/abs/2015PASJ…67..120O/abstract
  7. Unusual Carbonaceous Dust Distribution in PN G095.2+00.7,
    Ohsawa, R., Onaka, T., Sakon, I., Mori, T. I., Miyata, T., Asano, K., Matsuura, M., Kaneda, H., The Astrophysical Journal Letters, 2012, 760, 34
    10.1088/2041-8205/760/2/L34
    https://ui.adsabs.harvard.edu/abs/2012ApJ…760L..34O/abstract
  8. Observations of the Optical Transient in NGC 300 with AKARI/IRC: Possibilities of Asymmetric Dust Formation,
    Ohsawa, R., Sakon, I., Onaka, T., Tanaka, M., Moriya, T., Nozawa, T., Maeda, K., Nomoto, K., Tominaga, N., Usui, F., et al., The Astrophysical Journal, 2010, 718, 1456–1459
    10.1088/0004-637X/718/2/1456
    https://ui.adsabs.harvard.edu/abs/2010ApJ…718.1456O/abstract

Collaboration Papers

  1. Dippers from TESS Full-frame Images. II. Spectroscopic Characterization of Four Young Dippers,
    Kasagi, Y., Kotani, T., Kawahara, H., Tajiri, T., Muto, T., Aizawa, M., Fujii, M. S., Hattori, K., Masuda, K., Momose, M., et al., The Astrophysical Journal, accepted
  2. Discovery of the Fastest Early Optical Emission from Overluminous SN Ia 2020hvf: A Thermonuclear Explosion within a Dense Circumstellar Environment,
    Jiang, J., Maeda, K., Kawabata, M., Doi, M., Shigeyama, T., Tanaka, M., Tominaga, N., Nomoto, K., Niino, Y., Sako, S., et al., The Astrophysical Journal Letters, 2021, 923, L8
    10.3847/2041-8213/ac375f
    https://ui.adsabs.harvard.edu/abs/2021arXiv211109470J/abstract
  3. J-GEM optical and near-infrared follow-up of gravitational wave events during LIGO’s and Virgo’s third observing run,
    Sasada, M., Utsumi, Y., Itoh, R., Tominaga, N., Tanaka, M., Morokuma, T., Yanagisawa, K., Kawabata, K. S., Ohgami, T., Yoshida, M., et al., Progress of Theoretical and Experimental Physics, 2021, 2021, 05A104
    10.1093/ptep/ptab007
    https://ui.adsabs.harvard.edu/abs/2021PTEP.2021eA104S
  4. ASASSN-18aan: An eclipsing SU UMa-type cataclysmic variable with a 3.6-hr orbital period and a late G-type secondary star,
    Wakamatsu, Y., Thorstensen, J. R., Kojiguchi, N., Isogai, K., Kimura, M., Ohnishi, R., Kato, T., Itoh, H., Sugiura, Y., Sumiya, S., et al., Publications of the Astronomical Society of Japan, 2021, 73, 1209–1224
    10.1093/pasj/psab003
    https://ui.adsabs.harvard.edu/abs/2021PASJ..tmp…11W
  5. Calcium-rich Transient SN 2019ehk in a Star-forming Environment: Yet Another Candidate for a Precursor of a Double Neutron-star Binary,
    Nakaoka, T., Maeda, K., Yamanaka, M., Tanaka, M., Kawabata, M., Moriya, T. J., Kawabata, K. S., Tominaga, N., Takagi, K., Imazato, F., et al., The Astrophysical Journal, 2021, 912, 30
    10.3847/1538-4357/abe765
    https://ui.adsabs.harvard.edu/abs/2021ApJ…912…30N/abstract
  6. Optical follow-up observation for GW event S190510g using Subaru/Hyper Suprime-Cam,
    Ohgami, T., Tominaga, N., Utsumi, Y., Niino Yuu, , Tanaka, M., Banerjee, S., Hamasaki, R., Yoshida, M., Terai, T., Takagi, Y., et al., Publications of the Astronomical Society of Japan, 2021, 73, 350–364
    10.1093/pasj/psab002
    https://ui.adsabs.harvard.edu/abs/2021PASJ…73..350O
  7. Follow-up Observations for IceCube-170922A: Detection of Rapid Near-Infrared Variability and and Intensive Monitoring of TXS~0506+056,
    Morokuma, T., Utsumi, Y., Ohta, K., Yamanaka, M., Kawabata, K., Inoue, Y., Tanaka, M., Yoshida, M., Itoh, R., Sasada, M., et al., Publications of the Astronomical Society of Japan, 2021, 73, 25–43
    10.1093/pasj/psab002
    http://adsabs.harvard.edu/abs/2021PASJ…73…25M
  8. Dippers from the TESS Full-frame Images. I. Results of the First One Year Data and Discovery of a Runaway Dipper,
    Tajiri, T., Kawahara, H., Aizawa, M., Fujii, M. S., Hattori, K., Kasagi, Y., Kotani, T., Masuda, K., Momose, M., Muto, T., et al., The Astrophysical Journal Suppliment Series, 2020, 251, 18
    10.3847/1538-4365/abbc17
    https://ui.adsabs.harvard.edu/abs/2020ApJS..251…18T
  9. Long-Term Near-Infrared Brightening of Non-Variable OH/IR Stars,
    Kamizuka, T., Nakada, Y., Yanagisawa, K., Ohsawa, R., Ita, Y., Izumiura, H., Mito, H., Onozato, H., Asano, K., Ueta, T., et al., The Astrophysical Journal, 2020, 897, 42
    10.3847/1538-4357/ab9829
    https://ui.adsabs.harvard.edu/abs/2020ApJ…897…42K/abstract
  10. Evidence for a rapid decrease of Pluto’s atmospheric pressure revealed by a stellar occultation in 2019,
    Arimatsu, K., Hashimoto, G. L., Kagitani, M., Sakanoi, T., Kasaba, Y., Ohsawa, R., Urakawa, S., Astronomy and Astrophysics, 2020, 638, L5
    10.1051/0004-6361/202037762
    http://adsabs.harvard.edu/abs/2020A&A…638L…5A
  11. An optical search for transients lasting a few seconds,
    Richmond, M. W., Tanaka, M., Morokuma, T., Sako, S., Ohsawa, R., Arima, N., Tominaga, N., Doi, M., Aoki, T., Arimatsu, K., et al., Publications of the Astronomical Society of Japan, 2020, 72, 3
    10.1093/pasj/psz120
    https://ui.adsabs.harvard.edu/abs/2020PASJ…72....3R/abstract
  12. New constraint on the atmosphere of (50000) Quaoar from a stellar occultation,
    Arimatsu, K., Ohsawa, R., Hashimoto, G. L., Urakawa, S., Takahashi, J., Tozuka, M., Itoh, Y., Yamashita, M., Usui, F., Aoki, T., et al., The Astronomical Journal, 2019, 158, 236
    10.3847/1538-3881/ab5058
    https://ui.adsabs.harvard.edu/abs/2019AJ....158..236A/abstract
  13. Ground-based Pa\alpha Narrow-band Imaging of Local Luminous Infrared Galaxies II: Bulge Structure And Star Formation Activity,
    Tateuchi, K., Motohara, K., Konishi, M., Takahashi, H., Kitagawa, Y., Kato, N., Todo, S., Komugi, S., Ohsawa, R., Doi, M., et al., Publications of the Astronomical Society of Japan, 2019, 71, 64
    10.1093/pasj/psz042
    https://ui.adsabs.harvard.edu/abs/2019PASJ…71…64T/abstract
  14. Shape and Rotational Motion Models for Tumbling and Monolithic Asteroid 2012 TC_4: High Time Resolution Light Curve with the Tomo-e Gozen Camera,
    Urakawa, S., Ohsawa, R., Sako, S., Okumura, S., Sakurai, Y., Takahashi, J., Imamura, K., Naito, H., Watanabe, F., Nagayoshi, R., et al., The Astronomical Journal, 2019, 157, 155
    10.3847/1538-3881/ab09f0
    https://ui.adsabs.harvard.edu/abs/2019AJ....157..155U/abstract
  15. The 1.87- and 2.07-μm observations of three Galactic Centre clusters with miniTAO at Atacama: classification of stellar components in massive star clusters,
    Tanaka, M., Okumura, S., Takahashi, H., Osawa, K., Motohara, K., Konishi, M., Tateuchi, K., Kato, N., Morokuma, T., Ohsawa, R., et al., Monthly Notices of the Royal Astronomical Society, 2018, 480, 1507–1521
    10.1093/mnras/sty1902
    https://ui.adsabs.harvard.edu/abs/2018MNRAS.480.1507T/abstract
  16. Mid-infrared multi-wavelength imaging of Ophiuchus IRS 48 transitional disk,
    Honda, M., Okada, K., Miyata, T., Mulders, G. D., Swearingen, J. R., Kamizuka, T., Ohsawa, R., Fujiyoshi, T., Fujiwara, H., Uchiyama, M., et al., Publications of the Astronomical Society of Japan, 2018, 70, 44
    10.1093/pasj/psy033
    https://ui.adsabs.harvard.edu/2018PASJ…70…44H/abstract
  17. Subaru Hyper Suprime-Cam Survey for an optical counterpart of GW170817,
    Tominaga, N., Tanaka, M., Morokuma, T., Utsumi, Y., Yamaguchi, M. S., Yasuda, N., Tanaka, M., Yoshida, M., Fujiyoshi, T., Furusawa, H., et al., Publications of the Astronomical Society of Japan, 2018, 70, 28
    10.1093/pasj/psy007
    https://ui.adsabs.harvard.edu/abs/2018PASJ…70…28T/abstract
  18. Near-infrared to Mid-infrared Observations of Galaxy Mergers: NGC 2782 and NGC 7727,
    Onaka, T., Nakamura, T., Sakon, I., Wu, R., Ohsawa, R., Kaneda, H., Lebouteiller, V., Roellig, T. L., The Astrophysical Journal, 2018, 853, 31
    10.3847/1538-4357/aaa004
    https://ui.adsabs.harvard.edu/abs/2018ApJ…853…31O/abstract
  19. Kilonova from post-merger ejecta as an optical and near-Infrared counterpart of GW170817,
    Tanaka, M., Utsumi, Y., Mazzali, P. A., Tominaga, N., Yoshida, M., Sekiguchi, Y., Morokuma, T., Motohara, K., Ohta, K., Kawabata, K. S., et al., Publications of the Astronomical Society of Japan, 2017, 69, 102
    10.1093/pasj/psx121
    https://ui.adsabs.harvard.edu/abs/2017PASJ…69..102T/abstract
  20. J-GEM observations of an electromagnetic counterpart to the neutron star merger GW170817,
    Utsumi, Y., Tanaka, M., Tominaga, N., Yoshida, M., Barway, S., Nagayama, T., Zenko, T., Aoki, K., Fujiyoshi, T., Furusawa, H., et al., Publication of the Astronomical Society of Japan, 2017, 69, 101
    10.1093/pasj/psx118
    https://ui.adsabs.harvard.edu/abs/2017PASJ…69..101U/abstract
  21. Multi-messenger Observations of a Binary Neutron Star Merger,
    LIGO Scientific Collaboration \textitet~al., The Astrophysical Journal Letters, 2017, 848, 12
    10.3847/2041-8213/aa91c9
    https://ui.adsabs.harvard.edu/abs/2017ApJ…848L..12A/abstract
  22. Data Compression for the Tomo-e Gozen using Low-Rank Matrix Approximation,
    Morii, M., Ikeda, S., Sako, S., Ohsawa, R., The Astrophysical Journal, 2017, 835, 1
    10.3847/1538-4357/835/1/1
    https://ui.adsabs.harvard.edu/abs/2017ApJ…835....1M/abstract
  23. Concurrent Formation of Carbon and Silicate Dust in Nova V1280 Sco,
    Sakon, I., Sako, S., Onaka, T., Nozawa, T., Kimura, Y., Fujiyoshi, T., Shimonishi, T., Usui, F., Takahashi, H., Ohsawa, R., et al., The Astrophysical Journal, 2016, 817, 145
    10.3847/0004-637X/817/2/145
    https://ui.adsabs.harvard.edu/abs/2016ApJ…817..145S/abstract
  24. Ground-based Pa\bm\alpha Narrow-band Imaging of Local Luminous Infrared Galaxies I: Star Formation Rates and Surface Densities,
    Tateuchi, K., Konishi, M., Motohara, K., Takahashi, H., Kato, N. M., Kitagawa, Y., Todo, S., Toshikawa, K., Sako, S., Uchimoto, Y. K., et al., The Astrophysical Journal Supplement, 2015, 217, 1
    10.1088/0067-0049/217/1/1
    https://ui.adsabs.harvard.edu/2015ApJS..217....1T/abstract
  25. ANIR: Atacama Near-Infrared Camera for the 1.0-m miniTAO Telescope,
    Konishi, M., Motohara, K., Tateuchi, K., Takahashi, H., Kitagawa, Y., Kato, N. M., Sako, S., Uchimoto, Y. K., Toshikawa, K., Ohsawa, R., et al., The Publication of Astronomical Society of Japan, 2015, 67, 4
    10.1093/pasj/psu148
    https://ui.adsabs.harvard.edu/abs/2015PASJ…67....4K/abstract
  26. Observational Studies on the Near-infrared Unidentified Emission Bands in Galactic H II Regions,
    Mori, T. I., Onaka, T., Sakon, I., Ishihara, D., Shimonishi, T., Ohsawa, R., Bell, A. C., The Astrophysical Journal, 2014, 784, 53
    10.1088/0004-637X/784/1/53
    https://ui.adsabs.harvard.edu/abs/2014ApJ…784…53M/abstract
  27. Search for the Infrared Emission Features from Deuterated Interstellar Polycyclic Aromatic Hydrocarbons,
    Onaka, T., Mori, T. I., Sakon, I., Ohsawa, R., Kaneda, H., Okada, Y., Tanaka, M., The Astrophysical Journal, 2014, 780, 114
    10.1088/0004-637X/780/2/114
    https://ui.adsabs.harvard.edu/abs/2014ApJ…780..114O/abstract
  28. A Search for Infrared Emission from Core-collapse Supernovae at the Transitional Phase,
    Tanaka, M., Nozawa, T., Sakon, I., Onaka, T., Arimatsu, K., Ohsawa, R., Maeda, K., Wada, T., Matsuhara, H., Kaneda, H., The Astrophysical Journal, 2012, 749, 173
    10.1088/0004-637X/749/2/173
    https://ui.adsabs.harvard.edu/abs/2012ApJ…749..173T/abstract
  29. Observations of the near- to Mid-infrared Unidentified Emission Bands in the Interstellar Medium of the Large Magellanic Cloud,
    Mori, T. I., Sakon, I., Onaka, T., Kaneda, H., Umehata, H., Ohsawa, R., The Astrophysical Journal, 2012, 744, 68
    10.1088/0004-637X/744/1/68
    https://ui.adsabs.harvard.edu/abs/2012ApJ…744…68M/abstract

Conference Proceedings

  1. Development of a real-time data processing system for a prototype of the Tomo-e Gozen wide field CMOS camera,
    Ohsawa, R., Sako, S., Takahashi, H., Kikuchi, Y., Doi, M., Kobayashi, N., Aoki, T., Arimatsu, K., Ichiki, M., Ikeda, S., et al., Proceedings of SPIE Astronomical Telescopes + Instrumentation 9913, 2016, 991339
    10.1117/12.2231615
    https://ui.adsabs.harvard.edu/abs/2016SPIE.9913E..39O/abstract
  2. Evolution of dust emission around PNe, from AKARI/Spitzer to SPICA,
    Ohsawa, R., Onaka, T., Sakon, I., Mori, T. I., Kaneda, H., Yamamura, I., Matsuura, M., Bernard-Salas, J., Bern'e, O., Joblin, C., JAXA Special Publication: Proceedings of the SPICA Science Conference from Exoplanets to Distant Galaxies: SPICA’s New Window on the Cool Universe, 2018, 256–267
    https://ci.nii.ac.jp/naid/120006827264/
  3. Near-Infrared PAH features in Galactic Planetary Nebulae,
    Ohsawa, R., Onaka, T., Sakon, I., Mori, T. I., Kaneda, H., Matsuura, M., Publication of the Korean Astronomical Society 32: The Universe in The Light of AKARI and Synergy with future Large Space Telescopes, 2017, 87
    10.1088/1742-6596/728/7/072010
    https://ui.adsabs.harvard.edu/abs/2016JPhCS.728g2010O/abstract
  4. Evolution of Planetary Nebulae and PAH features,
    Ohsawa, R., Onaka, T., Sakon, I., Mori, T. I., Yamamura, I., Matsuura, M., Kaneda, H., Bernard-Salas, J., Bern'e, O., Joblin, C., Proceedings of Science 207: The Life Cycle of Dust in the Universe: Observations, Theory, and Laboratory Experiments, 2013, 1–4
    https://ui.adsabs.harvard.edu/abs/2013lcdu.confE.126O/abstract
  5. Investigation of PAHs in Galactic Planetary Nebulae with the AKARI/IRC and the Spitzer/IRS,
    Ohsawa, R., Onaka, T., Sakon, I., Mori, T. I., Yamamura, I., Matsuura, M., Kaneda, H., Bernard-Salas, J., Bern'e, O., Joblin, C., Publications of The Korean Astronomical Society 27: The Second AKARI Conference: Legacy of AKARI: A Panoramic View of the Dusty Universe, 2012, 259
    10.5303/PKAS.2012.27.4.259
    https://ui.adsabs.harvard.edu/abs/2012PKAS…27..259O/abstract
  6. Processing of polycyclic aromatic hydrocarbons in evolved planetary nebulae,
    Ohsawa, R., Onaka, T., Sakon, I., Yamamura, I., Matsuura, M., Kanda, H., Proceedings of the IAU Symposium 283: Planetary Nebulae: An Eye to the Future, 2012, 462–463
    10.1017/S1743921312011933
    https://ui.adsabs.harvard.edu/abs/2012IAUS..283..462O/abstract

Japanese Articles

  1. 東京大学木曽観測所超広視野CMOSカメラ Tomo-e Gozen による動画サーベイ計画,
    大澤亮, 酒向重行, 浦川聖太郎, 奥村真一郎, 吉川真, Tomo-e Gozen 開発チーム, スペースガード研究 9 — 天体の地球衝突問題にどう取り組むか, 2017, 18