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| 題名: | The TAOS project: Results from seven years of survey data |
| 作者: | 陳文屏;Zhang, Z.-W.;Lehner, M. J.;Wang, J.-H.;Wen, C.-Y.;Wang, S.-Y.;King, S.-K.;Granados, Á. P.;Alcock, C.;Axelrod, T.;Bianco, F. B.;Byun, Y.-I.;Chen, W. P.;Coehlo, N. K.;Cook, K. H.;de Pater, I.;Kim, D.-W.;Lee, T.;Lissauer, J. J.;Marshall, S. L.;Protopapas, P.;Rice, J. A.;Schwamb, M. E. |
| 貢獻者: | 理學院天文研究所 |
| 關鍵詞: | ASTRONOMY;ASTROPHYSICS;ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;Break in;COMETS;Density;ECLIPSE;Kuiper belt;Kuiper Belt Objects;MONITORS;Occultation;READOUT SYSTEMS;Size distribution;Slopes;STARS;TELESCOPES |
| 日期: | 2013-07-01 |
| 上傳時間: | 2026-04-21 14:21:23 (UTC+8) |
| 出版者: | IOP Publishing Ltd.;United States: American Astronomical Society |
| 摘要: | 摘要： The Taiwanese-American Occultation Survey (TAOS) aims to detect serendipitous occultations of stars by small (~1 km diameter) objects in the Kuiper Belt and beyond. Such events are very rare (<10 super(-3) events per star per year) and short in duration (~200 ms), so many stars must be monitored at a high readout cadence. TAOS monitors typically ~500 stars simultaneously at a 5 Hz readout cadence with four telescopes located at Lulin Observatory in central Taiwan. In this paper, we report the results of the search for small Kuiper Belt objects (KBOs) in seven years of data. No occultation events were found, resulting in a 95% c.l. upper limit on the slope of the faint end of the KBO size distribution of q - 3.34-3.82, depending on the surface density at the break in the size distribution at a diameter of about 90 km.
出版者： United States: American Astronomical Society
出版日期： 2013-07-01
出處： The Astronomical Journal, 2013-07, Vol.146 (1), p.14--10
資源來源： Institute of Physics Journals
識別號： ISSN: 0004-6256
識別號： ISSN: 1538-3881
識別號： EISSN: 1538-3881
識別號： DOI: 10.1088/0004-6256/146/1/14 |
| 顯示於類別: | [天文研究所] 期刊論文
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