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Apostolos A. Christou
Researcher at Armagh Observatory
Publications - 116
Citations - 1546
Apostolos A. Christou is an academic researcher from Armagh Observatory. The author has contributed to research in topics: Asteroid & Meteoroid. The author has an hindex of 20, co-authored 111 publications receiving 1314 citations. Previous affiliations of Apostolos A. Christou include Lund University.
Papers
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Journal ArticleDOI
Application of the MEGNO technique to the dynamics of Jovian irregular satellites
Tobias C. Hinse,Tobias C. Hinse,Apostolos A. Christou,Jose L. A. Alvarellos,Krzysztof Goździewski +4 more
TL;DR: In this paper, the authors apply the Mean Exponential Growth Factor of Nearby Orbits (MEGNO) technique to the dynamics of Jovian irregular satellites, which is a practical numerical tool to distinguish between quasi-periodic and chaotic structures in phase space of a given dynamical system.
Journal ArticleDOI
Application of the MEGNO technique to the dynamics of Jovian irregular satellites
TL;DR: In this paper, the authors apply the MEGNO (Mean Exponential Growth of Nearby Orbits) technique to the dynamics of Jovian irregular satellites and demonstrate the efficiency of applying the MOGNO indicator to generate a mapping of relevant phase-space regions occupied by observed jovians irregular satellites.
Journal ArticleDOI
The D-CIXS X-ray mapping spectrometer on SMART-1
Manuel Grande,Richard Browning,N. Waltham,D. J. Parker,S. K. Dunkin,S. K. Dunkin,B. J. Kent,Barry Kellett,C. H. Perry,B. M. Swinyard,A. Perry,J. Feraday,C. J. Howe,G. McBride,K. Phillips,Juhani Huovelin,P. Muhli,P. J. Hakala,Osmi Vilhu,J. Laukkanen,Nicolas Thomas,David W. Hughes,H. S. Alleyne,Monica M. Grady,Rickard Lundin,S. Barabash,Daniel N. Baker,P. E. Clark,Carl D. Murray,J. Guest,Ignasi Casanova,L. C. d'Uston,Sylvestre Maurice,Bernard Foing,D. J. Heather,D. J. Heather,Vera A. Fernandes,Karri Muinonen,Sara S. Russell,Apostolos A. Christou,Christopher J. Owen,P. A. Charles,Hannu Koskinen,M. Kato,K. Sipila,S. Nenonen,Mats Holmström,Narendra Bhandari,R. C. Elphic,David J. Lawrence +49 more
TL;DR: The D-CIXS Compact X-ray Spectrometer will provide high quality spectroscopic mapping of the Moon, the primary science target of the ESA SMART-1 mission and demonstrate a radically novel approach to building a type of instrument essential for the BepiColombo mission and potential future planetary science targets.
Journal ArticleDOI
Uranus Pathfinder: exploring the origins and evolution of Ice Giant planets
Chris S. Arridge,Chris S. Arridge,Craig B. Agnor,Nicolas André,Kevin H. Baines,Leigh N. Fletcher,Daniel Gautier,Mark Hofstadter,Geraint H. Jones,Geraint H. Jones,Laurent Lamy,Yves Langevin,Olivier Mousis,Nadine Nettelmann,Christopher T. Russell,Tom Stallard,Matthew S. Tiscareno,Gabriel Tobie,Andrew Bacon,C. P. Chaloner,Michael Guest,S. Kemble,L. Peacocke,Nicholas Achilleos,Thomas P. Andert,Don Banfield,Stas Barabash,Mathieu Barthelemy,Cesar Bertucci,Pontus Brandt,Baptiste Cecconi,Supriya Chakrabarti,Andy F. Cheng,Ulrich R. Christensen,Apostolos A. Christou,Andrew J. Coates,Andrew J. Coates,Glyn Collinson,John F. Cooper,Régis Courtin,Michele K. Dougherty,Robert Ebert,Marta Entradas,Andrew Fazakerley,Andrew Fazakerley,Jonathan J. Fortney,Marina Galand,Jaques Gustin,Matthew M. Hedman,Ravit Helled,Pierre Henri,Sebastien Hess,Richard Holme,Özgür Karatekin,Norbert Krupp,Jared Leisner,Javier Martin-Torres,Adam Masters,Adam Masters,Henrik Melin,Steve Miller,Ingo Müller-Wodarg,Benoît Noyelles,Chris Paranicas,Imke de Pater,Martin Pätzold,Renée Prangé,Eric Quémerais,Elias Roussos,Abigail Rymer,Agustín Sánchez-Lavega,Joachim Saur,Kunio M. Sayanagi,Paul M. Schenk,Gerald Schubert,Nick Sergis,Frank Sohl,Edward C. Sittler,Nicholas A Teanby,Silvia Tellmann,Elizabeth P. Turtle,Sandrine Vinatier,Jan-Erik Wahlund,Philippe Zarka +83 more
TL;DR: The Uranus Pathfinder (UP) mission as mentioned in this paper was proposed to the European Space Agency's M3 call for medium-class missions in 2010 and proposed to be the first orbiter of an Ice Giant planet.
Journal ArticleDOI
A long-lived horseshoe companion to the Earth
TL;DR: In this article, the authors present a dynamical investigation of a newly found asteroid, 2010 SO 16, and the discovery that it is a horseshoe companion of the Earth.