Wang, J.-H. and Lehner, M. J. and Zhang, Z.-W. and Bianco, F. B. and Alcock, C. and Chen, W.-P. and Axelrod, T. and Byun, Y.-I. and Coehlo, N. K. and Cook, K. H. and Dave, R. and de Pater, I. and Porrata, R. and Kim, D.-W. and King, S.-K. and Lee, T. and Lin, H.-C. and Lissauer, J. J. and Marshall, S. L. and Protopapas, P. and Rice, J. A. and Schwamb, M. E. and Wang, S.-Y. and Wen, C.-Y. (2009) Upper Limits on the Number of Small Bodies in Sedna-Like Orbits by the TAOS Project. Astronomical Journal, 138 (6). pp. 1893-1901. ISSN 0004-6256 http://resolver.caltech.edu/CaltechAUTHORS:20091207-113202384
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We present the results of a search for occultation events by objects at distances between 100 and 1000 AU in light curves from the Taiwanese-American Occultation Survey. We searched for consecutive, shallow flux reductions in the stellar light curves obtained by our survey between 2005 February 7 and 2006 December 31 with a total of ~4.5 × 10^9 three-telescope simultaneous photometric measurements. No events were detected, allowing us to set upper limits on the number density as a function of size and distance of objects in Sedna-like orbits, using simple models.
|Additional Information:||© 2009 American Astronomical Society. Print publication: Issue 6 (2009 December); received 2009 February 28; accepted for publication 2009 October 4; published 2009 November 5. Work at NCU was supported by the grant NSC 96-2112- M-008-024-MY3. Work at the CfA was supported in part by the NSF under grant AST-0501681 and by NASA under grant NNG04G113G. Work at ASIAA was supported in part by the thematic research program AS-88-TP-A02. Work at Yonsei was supported by Korea Astronomy and Space Science Institute. Work at LLNL was performed in part under USDOE Contract W-7405-Eng-48 and Contract DE-AC52-07NA27344. Work at SLAC was performed under USDOE contract DE-AC02- 76SF00515.|
|Subject Keywords:||Kuiper Belt; occultations; solar system: formation|
|Official Citation:||Upper Limits on the Number of Small Bodies in Sedna-Like Orbits by the TAOS Project J.-H. Wang, M. J. Lehner, Z.-W. Zhang, F. B. Bianco, C. Alcock, W.-P. Chen, T. Axelrod, Y.-I. Byun, N. K. Coehlo, K. H. Cook, R. Dave, I. de Pater, R. Porrata, D.-W. Kim, S.-K. King, T. Lee, H.-C. Lin, J. J. Lissauer, S. L. Marshall, P. Protopapas, J. A. Rice, M. E. Schwamb, S.-Y. Wang, and C.-Y. Wen 2009 The Astronomical Journal 138 1893-1901 doi: 10.1088/0004-6256/138/6/1893|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Jason Perez|
|Deposited On:||08 Dec 2009 16:37|
|Last Modified:||26 Dec 2012 11:36|
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