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A Serendipitous All Sky Survey for Bright Objects in the Outer Solar System

Brown, M. E. and Bannister, M. T. and Schmidt, B. P. and Drake, A. J. and Djorgovski, S. G. and Graham, M. J. and Mahabal, A. and Donalek, C. and Larson, S. and Christensen, E. and Beshore, E. and McNaught, R. (2015) A Serendipitous All Sky Survey for Bright Objects in the Outer Solar System. Astronomical Journal, 149 (2). Art. No. 69. ISSN 0004-6256. doi:10.1088/0004-6256/149/2/69.

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We use seven yearʼs worth of observations from the Catalina Sky Survey and the Siding Spring Survey covering most of the northern and southern hemisphere at galactic latitudes higher than 20° to search for serendipitously imaged moving objects in the outer solar system. These slowly moving objects would appear as stationary transients in these fast cadence asteroids surveys, so we develop methods to discover objects in the outer solar system using individual observations spaced by months, rather than spaced by hours, as is typically done. While we independently discover eight known bright objects in the outer solar system, the faintest having V = 19.8 ± 0.1, no new objects are discovered. We find that the survey is nearly 100% efficient at detecting objects beyond 25 AU for V ≾ 19.1 V ≾ 18.6 in the southern hemisphere) and that the probability that there is one or more remaining outer solar system object of this brightness left to be discovered in the unsurveyed regions of the galactic plane is approximately 32%.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Brown, M. E.0000-0002-8255-0545
Schmidt, B. P.0000-0001-6589-1287
Djorgovski, S. G.0000-0002-0603-3087
Graham, M. J.0000-0002-3168-0139
Mahabal, A.0000-0003-2242-0244
Larson, S.0000-0002-0057-8211
Additional Information:© 2015 American Astronomical Society. Received 2014 September 16; accepted 2014 December 8; published 2015 January 19. This search for moving objects in the CRTS catalog has been supported by grant NNX09AB49 G from the NASA Planetary Astronomy program. The CRTS survey was supported by the NSF grants AST-0909182, AST-1313422, and AST-1413600. The CSS survey is funded by the National Aeronautics and Space Administration under Grant No. NNG05GF22 G issued through the Science Mission Directorate Near-earth Objects Observations Program. This serendipitous survey was conceived during a serendipitous conversation at the LSST “All Hands” meeting between MEB and MJG.
Group:UNSPECIFIED, UNSPECIFIED, Division of Geological and Planetary Sciences
Funding AgencyGrant Number
Subject Keywords: Kuiper belt: general; planets and satellites: detection; planets and satellites: formation
Issue or Number:2
Record Number:CaltechAUTHORS:20150309-102949260
Persistent URL:
Official Citation:A Serendipitous All Sky Survey for Bright Objects in the Outer Solar System M. E. Brown et al. 2015 The Astronomical Journal 149 69
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:55634
Deposited By: Ruth Sustaita
Deposited On:09 Mar 2015 17:45
Last Modified:10 Nov 2021 20:48

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