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Detecting the signatures of Uranus and Neptune

Kane, Stephen R. (2011) Detecting the signatures of Uranus and Neptune. Icarus, 214 (1). pp. 327-333. ISSN 0019-1035.

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With more than 15 years since the first radial velocity discovery of a planet orbiting a Sun-like star, the time baseline for radial velocity surveys is now extending out beyond the orbit of Jupiter analogs. The sensitivity to exoplanet orbital periods beyond that of Saturn orbital radii however is still beyond our reach such that very few clues regarding the prevalence of ice giants orbiting solar analogs are available to us. Here we simulate the radial velocity, transit, and photometric phase amplitude signatures of the Solar System giant planets, in particular Uranus and Neptune, and assess their detectability. We scale these results for application to monitoring low-mass stars and compare the relative detection prospects with other potential methods, such as astrometry and imaging. These results quantitatively show how many of the existing techniques are suitable for the detection of ice giants beyond the snow line for late-type stars and the challenges that lie ahead for the detection true Uranus/Neptune analogs around solar-type stars.

Item Type:Article
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URLURL TypeDescription DOIArticle
Kane, Stephen R.0000-0002-7084-0529
Additional Information:© 2011 Elsevier Inc. Received 14 January 2011; revised 15 April 2011; accepted 25 April 2011. Available online 5 May 2011. The author would like to thank Kaspar von Braun, Jason Wright, Suvrath Mahadevan, and Chas Beichman for several useful discussions. I would also like to thank the referees, whose comments helped to improve the quality of this work. This research has made use of the Exoplanet Orbit Database and the Exoplanet Data Explorer at
Group:Infrared Processing and Analysis Center (IPAC)
Subject Keywords:Extrasolar planets; Uranus; Neptune
Issue or Number:1
Record Number:CaltechAUTHORS:20110805-132702967
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Official Citation:Stephen R. Kane, Detecting the signatures of Uranus and Neptune, Icarus, Volume 214, Issue 1, July 2011, Pages 327-333, ISSN 0019-1035, DOI: 10.1016/j.icarus.2011.04.023. (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:24709
Deposited By: Tony Diaz
Deposited On:13 Sep 2011 20:42
Last Modified:03 Oct 2019 02:59

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