Imperial College London

ProfessorMicheleDougherty

Faculty of Natural SciencesDepartment of Physics

Head of Department of Physics, Professor of Space Physics
 
 
 
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Contact

 

+44 (0)20 7594 7770m.dougherty Website

 
 
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Assistant

 

Ms Lida Mnatsakanian +44 (0)20 7594 7503

 
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Location

 

Blackett 900aBlackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

403 results found

Giampieri G, Dougherty MK, Russell CT, Smith EJet al., 2005, Reply to comment by M. L. Kaiser et al. on "Rotation rate of Saturn's interior from magnetic field observations'', GEOPHYSICAL RESEARCH LETTERS, Vol: 32, ISSN: 0094-8276

Journal article

Blanc M, Moura D, Alibert Y, André N, Atreya SK, Baraffe I, Barthelemy M, Barucci A, Beebe R, Benz W, Bézard B, Bockelée-Morvan D, Bolton SJ, Brown RH, Chanteur G, Colangeli L, Coradini A, Doressoundiram A, Dougherty M, Drossart P, Festou M, Flamini E, Fulchignoni M, Galand M, Gautier D, Gombosi T, Gruen E, Guillot T, Kallenbach R, Kempf S, Krimigis T, Krupp N, Kurth W, Lamy P, Langevin Y, Lebreton JP, Leger A, Louarn P, Lunine J, Matson D, Morbidelli A, Owen T, Frangé R, Raulin F, Sotin C, Srama R, Strobel DF, Thomas N, Waite H, Witasse O, Zarka P, Zarnecki Jet al., 2005, Tracing the origins of the solar system, Pages: 213-224, ISSN: 0379-6566

All contemporary objects of our Solar System emerged from a solar nebula which existed 4.5 billion years ago, and whose dynamical and thermo-chemical evolution led to the condensation of solids, then to the emergence of different types of planetesimals, and finally to the accretion of solid cores and to the formation of our planets. Space exploration makes it possible today to visit the different classes of solar system objects and retrieve key information which can help us to trace back the evolutionary path of the solar system, from its origins in the Solar Nebula to its present configuration and the likely development of habitats in planetary objects. We propose three un-ordered priorities for the space programme in this perspective: 1 - access to remaining pristine material in the solar system (interplanetary dust and small bodies); 2 - in-depth exploration of the systems of giant planets; 3 - in-situ analysis of some of the physical mechanisms relevant to planetary formation in the contemporary rings and plasma environments of giant planets. This research subject, which strongly connects our solar system and its objects to exoplanets and other planetary systems, is a very promising contribution to the progressive build-up of a synthetic view of their formation and evolution scenarios. It is a central element in the build-up of a "Cosmic Vision" of our own solar system. We show how the major scientific questions related to this broad theme can be translated into specific mission targets and measurement objectives, and grouped into a "short list" of key space missions. This short list forms an ideal basis to elaborate a multi-decadal endeavour to explore the outer solar system. Most of these missions, while addressing the specific question of solar system origin, also are of major interest for comparative planetology and exo-astrobiology. While a few can be implemented in a purely European context, most of these missions can be accomplished on

Conference paper

Bertucci C, Achilleos N, Russell CT, Dougherty MK, Smith EJ, Burton M, Tsurutani BT, Mazelle Cet al., 2005, Bow shock and upstream waves at Jupiter and Saturn: Cassini magnetometer observations, 4th Annual IGPP International Astrophysics Conference, Publisher: AMER INST PHYSICS, Pages: 109-115, ISSN: 0094-243X

Conference paper

Jackman CM, Achilleos N, Bunce EJ, Cowley SWH, Dougherty MK, Jones GH, Milan SE, Smith EJet al., 2004, Interplanetary magnetic field at ∼ 9 AU during the declining phase of the solar cycle and its implications for Saturn's magnetospheric dynamics -: art. no. A11203, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 109, ISSN: 2169-9380

Journal article

Giampieri G, Dougherty MK, 2004, Rotation rate of Saturn's interior from magnetic field observations, GEOPHYSICAL RESEARCH LETTERS, Vol: 31, ISSN: 0094-8276

Journal article

Krupp N, Woch J, Lagg A, Livi S, Mitchell DG, Krimigis SM, Dougherty MK, Hanlon PG, Armstrong TP, Espinosa SAet al., 2004, Energetic particle observations in the vicinity of Jupiter: Cassini MIMI/LEMMS results, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 109, ISSN: 2169-9380

Journal article

Hanlon PG, Dougherty MK, Krupp N, Hansen KC, Crary FJ, Young DT, Tóth Get al., 2004, Dual spacecraft observations of a compression event within the Jovian magnetosphere:: Signatures of externally triggered supercorotation? -: art. no. A09S09, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 109, ISSN: 2169-9380

Journal article

Lario D, Livi S, Roelof EC, Decker RB, Krimigis SM, Dougherty MKet al., 2004, Heliospheric energetic particle observations by the Cassini spacecraft: Correlation with 1 AU observations, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 109, ISSN: 2169-9380

Journal article

Achilleos N, Dougherty MK, Young DT, Crary Fet al., 2004, Magnetic signatures of Jupiter's bow shock during the Cassini flyby, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 109, ISSN: 2169-9380

Journal article

Hanlon PG, Dougherty MK, Forsyth RJ, Owens MJ, Hansen KC, Tóth G, Crary FJ, Young DTet al., 2004, On the evolution of the solar wind between 1 and 5 AU at the time of the Cassini Jupiter flyby:: Multispacecraft observations of interplanetary coronal mass ejections including the formation of a merged interaction region -: art. no. A09S03, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 109, ISSN: 2169-9380

Journal article

Tomás A, Woch J, Krupp N, Lagg A, Glassmeier KH, Dougherty MK, Hanlon PGet al., 2004, Changes of the energetic particles characteristics in the inner part of the Jovian magnetosphere:: a topological study, Euroconference on Jupiter after Galileo and Cassini, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: 491-498, ISSN: 0032-0633

Conference paper

Giampieri G, Dougherty MK, 2004, Modelling of the ring current in Saturn's magnetosphere, ANNALES GEOPHYSICAE, Vol: 22, Pages: 653-659, ISSN: 0992-7689

Journal article

Dougherty MK, Kellock S, Southwood DJ, Balogh A, Smith EJ, Tsurutani BT, Gerlach B, Glassmeier KH, Gleim F, Russell CT, Erdos G, Neubauer EM, Cowley SWHet al., 2004, The Cassini magnetic field investigation, SPACE SCIENCE REVIEWS, Vol: 114, Pages: 331-383, ISSN: 0038-6308

Journal article

Jones GH, Balogh A, Russell CT, Dougherty MKet al., 2003, Possible distortion of the interplanetary magnetic field by the dust trail of comet 122P/de Vico, ASTROPHYSICAL JOURNAL, Vol: 597, Pages: L61-L64, ISSN: 0004-637X

Journal article

Bogdanov AT, Glassmeier KH, Musmann G, Dougherty MK, Kellock S, Slootweg P, Tsurutani Bet al., 2003, Ion cyclotron waves in the Earth's magnetotail during CASSINI's Earth swing-by, ANNALES GEOPHYSICAE, Vol: 21, Pages: 2043-2057, ISSN: 0992-7689

Journal article

Espinosa SA, Southwood DJ, Dougherty MK, 2003, How can Saturn impose its rotation period in a noncorotating magnetosphere?, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 108, ISSN: 2169-9380

Journal article

Espinosa SA, Southwood DJ, Dougherty MK, 2003, Reanalysis of Saturn's magnetospheric field data view of spin-periodic perturbations, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 108, ISSN: 2169-9380

Journal article

Szego K, Young DT, Bagdonat T, Barraclough B, Berthelier JJ, Coates AJ, Crary FJ, Dougherty MK, Erdos G, Gurnett DA, Kurth WS, Opits A, Rymer A, Thomsen MFet al., 2003, A pre-shock event at Jupiter on 30 January 2001, Journal of Geophysical Research

Journal article

Kellogg PJ, Dougherty MK, Forsyth RJ, Gurnett DA, Hospodarsky GB, Kurth WSet al., 2003, Electric fluctuations and ion isotropy, Melville, 10th international solar wind conference, Pisa, Italy, 17 - 21 June 2002, Publisher: American Institute of Physics, Pages: 383-388

Conference paper

Kellogg PJ, Gurnett DA, Hospodarsky GB, Kurth WS, Dougherty MK, Forsyth RJet al., 2003, Ion isotropy and ion resonant waves in the solar wind: corrected Cassini observations (Article no. 1045), Journal of Geophysical Research.Space Physics, Vol: 108, ISSN: 0148-0227

Journal article

Kellogg PJ, Dougherty MK, Forsyth RJ, Gurnett DA, Hospodarsky GB, Kurth WSet al., 2003, Electric fluctuations and ion isotropy, Melville, 10th international solar wind conference, Pisa, Italy, 17 - 21 June 2002, Publisher: American Institute of Physics, Pages: 383-388

Conference paper

Szego K, Young DT, Barraclough BL, Berthelier JJ, Coates AJ, McComas DJ, Crary FJ, Dougherty MK, Erdos G, Gurnett DA, Kurth WS, Thomsen MFet al., 2003, Cassini Plasma Spectrometer measurements of Jovian bow shock structure, Journal of Geophysical Research.Space Physics, Vol: 109, Pages: 1287-1, ISSN: 0148-0227

Journal article

André N, Erdös G, Dougherty M, 2002, Overview of mirror mode fluctuations in the jovian dusk magnetosheath:: Cassini magnetometer observations -: art. no. 1980, GEOPHYSICAL RESEARCH LETTERS, Vol: 29, ISSN: 0094-8276

Journal article

Bhardwaj A, Gladstone GR, Elsner RF, Waite JH, Grodent D, Cravens TE, Howell RR, Metzger AE, Ostgaard N, Manurellis AN, Johnson RE, Weisskopf MC, Majeed T, Ford PG, Tennant AF, Clarke JT, Lewis WS, Hurley KC, Crary FJ, Feigelson ED, Garmire GP, Young DT, Dougherty MK, Espinosa SA, Jahn JMet al., 2002, Soft x-ray emissions from planets, moons, and comets, Pages: 215-226, ISSN: 0379-6566

A wide variety of solar system bodies are now known to radiate in the soft x-ray energy (<5 keV) regime. These include planets (Earth, Jupiter, Venus, Saturn, Mars): bodies having thick atmospheres, with or without intrinsic magnetic field; planetary satellites (Moon, Io, Europa, Ganymede): bodies with thin or no atmospheres; and comets and Io plasma torus: bodies having extended tenuous atmospheres. Several different mechanisms have been proposed to explain the generation of soft x-rays from these objects, whereas in the hard x-ray energy range (>10 keV) x-rays mainly result from the electron bremsstrahlung process. In this paper we present a brief review of the x-ray observations on each of the planetary bodies and discuss their characteristics and proposed source mechanisms.

Conference paper

Kurth WS, Gurnett DA, Hospodarsky GB, Farrell WM, Roux A, Dougherty MK, Joy SP, Kivelson MG, Walker RJ, Crary FJ, Alexander CJet al., 2002, The dusk flank of Jupiter's magnetosphere, NATURE, Vol: 415, Pages: 991-994, ISSN: 0028-0836

Journal article

Gurnett DA, Kurth WS, Hospodarsky GB, Persoon AM, Zarka P, Lecacheux A, Bolton SJ, Desch MD, Farrell WM, Kaiser ML, Ladreiter HP, Rucker HO, Galopeau P, Louarn P, Young DT, Pryor WR, Dougherty MKet al., 2002, Control of Jupiter's radio emission and aurorae by the solar wind, NATURE, Vol: 415, Pages: 985-987, ISSN: 0028-0836

Journal article

Gladstone GR, Waite JH, Grodent D, Lewis WS, Crary FJ, Elsner RF, Weisskopf MC, Majeed T, Jahn JM, Bhardwaj A, Clarke JT, Young DT, Dougherty MK, Espinosa SA, Cravens TEet al., 2002, A pulsating auroral X-ray hot spot on Jupiter, NATURE, Vol: 415, Pages: 1000-1003, ISSN: 0028-0836

Journal article

Blanc M, Bolton S, Bradley J, Burton M, Cravens TE, Dandouras I, Dougherty MK, Festou MC, Feynman J, Johnson RE, Gombosi TG, Kurth WS, Liewer PC, Mauk BH, Maurice S, Mitchell D, Neubauer FM, Richardson JD, Shemansky DE, Sittler EC, Tsurutani BT, Zarka P, Esposito LW, Grün E, Gurnett DA, Kliore AJ, Krimigis SM, Southwood D, Waite JH, Young DTet al., 2002, Magnetospheric and plasma science with Cassini-Huygens, SPACE SCIENCE REVIEWS, Vol: 104, Pages: 253-346, ISSN: 0038-6308

Journal article

Lagg A, Krupp N, Livi S, Woch J, Krimigis SM, Dougherty MKet al., 2001, Energetic particle measurements during the Earth swing-by of the Cassini spacecraft in August 1999, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 106, Pages: 30209-30222, ISSN: 2169-9380

Journal article

Tsurutani BT, Smith EJ, Burton ME, Arballo JK, Galvan C, Zhou XY, Southwood DJ, Dougherty MK, Glassmeier KH, Neubauer FM, Chao JKet al., 2001, Oblique "1-Hz" whistler mode waves in an electron foreshock: The Cassini near-Earth encounter, JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 106, Pages: 30223-30238, ISSN: 2169-9380

Journal article

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