Activités de Recherche

Mes activités de recherches concernent l'interaction du plasma avec des environnements neutres, et en particulier les réactions d'échange de charge et les émissions diffuses UV/X dans le système solaire (héliosphère, exosphères planétaires) et le milieu interstellaire.

 

Missions spatiales

Co-I des spectromètres UV ESA-NASA SOHO/SWAN et ESA Bepi Colombo/PHEBUS; Associated Scientist on the ESA-CAS SMILE mission; Associated Scientist on the NASA HaloSat mission.

 

Simulations

Modèles "chauds" des distributions des atomes H, He dans l'héliosphère; Emissions X par échanges de charge (SWCX) dans l'héliosphère et les exosphères planétaires (Mars, Mercure, Terre)

 

Analyse de données

Observations X (XMM-Newton, Suzaku, Chandra); données UV (SOHO/SWAN); Données in-situ du vent solaire (SOHO, ACE, Ulysses, STEREO, Wind)

 

Données en laboratoire

Opération assistée du piège ionique du laboratoire Lawrence Livermore National Laboratory Electron Beam Ion Trap (EBIT); Acquisition & analyse de données avec le microcalorimètre ECS (EBIT Calorimeter Spectrometer)

Expérience professionnelle

2011-              Chargé de Recherche du CNRS, LATMOS (UMR 8190), Guyancourt, France.

 

2008-2011      NASA Post-Doctoral Fellow au Goddard Space Flight Center de la NASA, Greenbelt, MD, USA.

 

2007-2008      Attaché Temporaire d’Enseignement et Recherche (ATER) à l’Université de Versailles-Saint Quentin en Yvelines, Service d’Aéronomie du CNRS, Verrières-le-Buisson, France.

Formation

2007.   Doctorat de l’Université Pierre et Marie Curie, affiliée au Service d’Aéronomie du CNRS, France. Etude des émissions gazeuses UV/X et des phénomènes d’échange de charge dans l’Héliosphère : application à des systèmes astrophysiques analogues.

 

2004.   M2 (DEA) en Astrophysique et Instrumentations Associées de l’Université Pierre et Marie Curie, affiliée au Service d’Aéronomie du CNRS, France.

 

2003.   Maitrise de Physique (spécialisation en Astrophysique), Faculté des Sciences de l’Université Aristoteleion de Thessaloniki, Grèce.

Prix et Recompenses

2016.   NASA Honor Award - Group Achievement Award: STORM Suborbital Rocket Experiment Team (PI: David Sibeck)

2011.   Honorable Mention for the Jack Eddy Postdoctoral Fellowship Award

2008.   NASA Postdoctoral Fellowship

2004.   Bourse de Thèse du Ministère de l’Education Nationale et de la Jeunesse

Publications

  • Kaaret P., Koutroumpa D., Kuntz K. D., Jahoda K., Bluem J., Gulick H., Hodges-Kluck E., et al., (2020). A disk-dominated and clumpy circumgalactic medium of the Milky Way seen in X-ray emission, Nature Astronomy, doi: 10.1038/s41550-020-01215-w

  • Koutroumpa, D., Quemerais, E., Ferron, S., & Schmidt, W. ( 2019). Global distribution of the solar wind flux and velocity from SOHO/SWAN during SC‐23 and SC‐24, Geophysical Research Letters, 46, 4114– 4121. doi: 10.1029/2019GL082402

  • Koutroumpa, D., Quémerais, E., Katushkina, O., Lallement, R., Bertaux, J.-L. & Schmidt, W. (2017), Stability of the interstellar hydrogen inflow longitude from 20 years of SOHO/SWAN observations, Astronomy and Astrophysics, 598, A12, doi: 10.1051/0004-6361/201629840.

  • Galeazzi M., Chiao M., Collier M. R., Cravens T., Koutroumpa D., Kuntz K. D., Lallement R., et al., (2014), The origin of the local 1/4-keV X-ray flux in both charge exchange and a hot bubble, Nature, 512, 171. doi: 10.1038/nature13525.

  • Koutroumpa, D., Modolo, R., Chanteur, G., Chaufray, J.-Y., Kharchenko, V. & Lallement, R. (2012), Solar wind charge exchange X-ray emission from Mars. Model and data comparison, Astronomy and Astrophysics, 545, A153, doi: 10.1051/0004-6361/201219720.

  • Koutroumpa, D. (2012), Update on modeling and data analysis of heliospheric solar wind charge exchange X-ray emission, Astronomische Nachrichten, 333, 341, doi: 10.1002/asna.201211666.

  • Koutroumpa, D., Smith, R. K., Edgar, R. J., Kuntz, K. D., Plucinsky, P. P. & Snowden, S. L. (2011), XMM-Newton Observations of MBM 12: More Constraints on the Solar Wind Charge Exchange and Local Bubble Emissions, The Astrophysical Journal, 726, 91, doi: 10.1088/0004-637X/726/2/91.

  • Koutroumpa, D., Collier, M. R., Kuntz, K. D., Lallement, R. & Snowden, S. L. (2009), Solar Wind Charge Exchange Emission from the Helium Focusing Cone: Model to Data Comparison, The Astrophysical Journal, 697, 1214, doi: 10.1088/0004-637X/697/2/1214.

  • Koutroumpa, D., Lallement, R., Raymond, J. C. & Kharchenko, V. (2009), The Solar Wind Charge-Transfer X-Ray Emission in the 1/4 keV Energy Range: Inferences on Local Bubble Hot Gas at Low Z, The Astrophysical Journal, 696, 1517, doi: 10.1088/0004-637X/696/2/1517.

  • Koutroumpa, D., Acero, F., Lallement, R., Ballet, J. & Kharchenko, V. (2007), OVII and OVIII line emission in the diffuse soft X-ray background: heliospheric and galactic contributions, Astronomy and Astrophysics, 475, 901, doi: 10.1051/0004-6361:20078271.

  • Koutroumpa, D., Lallement, R., Kharchenko, V., Dalgarno, A., Pepino, R., Izmodenov, V. & Quémerais, E. (2006), Charge-transfer induced EUV and soft X-ray emissions in the heliosphere, Astronomy and Astrophysics, 460, 289, doi: 10.1051/0004-6361:20065250.

  • Lallement, R., Quémerais, E., Bertaux, J. L., Ferron, S., Koutroumpa, D., and Pellinen, R. (2005), Deflection of the Interstellar Neutral Hydrogen Flow Across the Heliospheric Interface, Science, 307, 5714, 1447–1449. doi: 10.1126/science.1107953.

 

Full list (in ADS): https://ui.adsabs.harvard.edu/public-libraries/XT5sZCxvTOqigjzPuDxjnA

Communications

  • Koutroumpa, D., Quémerais, E., Ferron, S., & Katushkina, O., (2018), 22 years of SOHO/SWAN observations: Two solar cycles of solar wind flux latitude distribution, Journées de la SF2A, 2-6 Juillet 2018, Bordeaux.
  • Koutroumpa, D. (2016), Models of Heliospheric solar wind charge exchange X-ray emission, American Astronomical Society, HEAD meeting #15, id.200.0
  • Koutroumpa, D., Quémerais, E., Bertaux J. L., Lallement, R., Ferron, S., (2016) 20 ans de mesures de la direction du flot d’hydrogène interstellaire avec SWAN : stabilité et influence de l’activité solaire, poster, PNST : colloque à mi-parcours 2016, Mars 2016, Hendaye, France.

  • Koutroumpa, D., Dennerl, K., Leblanc, F. & Modolo, R. (2015), Solar Wind Charge Exchange X-ray emission from Mercury’s exosphere: Detectability with Bepi Colombo’s MIXS spectrometer, American Astronomical Society, DPS meeting #47, id.107.03.

  • Koutroumpa, D., Galeazzi, M, Collier, M.R., Porter, F.S., McCammon, D., and the DXL-STORM Collaboration, DXL and STORM : X-rays study of solar wind-terrestrial interaction and the interplanetary/interstellar medium, poster, PNST : colloque de renouvellement 2014, Février 2014, Sète, France.

  • Koutroumpa, D., Quemerais, E., Lallement, R., Ferron, S. & Bertaux, J. (2012), Time and latitude dependence of the solar wind mass flux derived from the SOHO/SWAN data analysis, American Geophysical Union, Fall Meeting 2012, abstract id.SH13C-2275.

  • Koutroumpa, D., Quémerais, E., Ferron, S., Lallement, R., Bertaux, J.-L., Time and latitude dependence of the solar wind mass flux: updated SOHO/SWAN data analysis for the complete Solar Cycle 23, poster, PNST 2012 (Programme National Soleil Terre, Mar 2012, La Londe-Les-Maures, France

  • Koutroumpa, D. (2012), Charge exchange X-ray emission in the heliosphere and beyond, SUZAKU 2011: Exploring the X-ray Universe: Suzaku and Beyond.  AIP Conference Proceedings, Volume 1427, pp. 33-39 (2012)., 1427, 33, doi: 10.1063/1.3696147.

  • Koutroumpa, D., Beiersdorfer, P., Brown, G. V., Kelley, R. L., Kilbourne, C. A., Leutenegger, M. A. & Porter, F. S. (2010), Laboratory X-ray Spectra From L-shell Sulfur Ions Following Charge-exchange Collisions With Two Different Neutral Targets: SF6 And He., American Astronomical Society, AAS Meeting #216, id.411.05.

  • Koutroumpa, D. (2010), Solar Wind Charge Exchange X-ray emission in the Heliosphere, and other implications on the local diffuse X-ray background, American Astronomical Society, AAS Meeting #216, id.201.02.

  • Koutroumpa, D., Beiersdorfer, P., Brown, G. V., Kelley, R. L., Kilbourne, C. A., Leutenegger, M. A. & Porter, F. S. (2010), Laboratory Measurements Of Charge Exchange Spectra From Sulfur Ions, American Astronomical Society, AAS Meeting #215, id.604.11.

  • Koutroumpa, D. (2009), Thermal Emission or Charge Exchange from the North Polar Spur?, proposal, XMM-Newton Proposal ID 06516302, 57.

  • Koutroumpa, D., Lallement, R. & Kharchenko, V. (2009), The Spectrum of the Solar Wind Charge Exchange Emission: Contribution to the Soft X-ray Background, THE LOCAL BUBBLE AND BEYOND II: Proceedings of the International Conference.  AIP Conference Proceedings, 1156, 62, doi : 10.1063/1.3211835.

  • Koutroumpa, D., Lallement, R., Raymond, J. C. & Kharchenko, V. (2009), Implications of Solar Wind Charge-Exchange 1/4 keV emission on the Local Bubble hot gas in the galactic disk, FUTURE DIRECTIONS IN ULTRAVIOLET SPECTROSCOPY: A Conference Inspired by the Accomplishments of the Far Ultraviolet Spectroscopic Explorer Mission.  AIP Conference Proceedings, 1135, 116, doi : 10.1063/1.3154029.

  • Koutroumpa, D., Lallement, R., Kharchenko, V. & Dalgarno, A. (2009), The Solar Wind Charge-eXchange Contribution to the Local Soft X-ray Background, From the Outer Heliosphere to the Local Bubble, Space Sciences Series of ISSI, Volume 3 ISBN 978-1-4419-0246-7. Springer New York, 2009, p. 217, 31, 217, doi: 10.1007/978-1-4419-0247-4_17.

  • Koutroumpa, D., Izmodenov, V., Quemerais, E., Kharchenko, V. & Lallement, R. (2008), Charge transfer induced soft X-ray emission in the heliosphere, 37th COSPAR Scientific Assembly. Held 13-20 July 2008, in Montréal, Canada., p.1603.

  • Koutroumpa, D., Lallement, R., Modolo, R., Chanteur, G. & Kharchenko, V. (2006), Charge-Exchange Induced X-rays in the Martian Exosphere, 2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, id.35.05.

  • Koutroumpa, D., Lallement, R., Modolo, R., Chanteur, G. & Kharchenko, V. (2006), Martian Charge-exchange Induced X-rays, American Astronomical Society, HEAD meeting #9, id.1.49.

  • Koutroumpa, D., Lallement, R., Bertaux, J. L., Quémerals, E. & Ferron, S. (2005), SOHO-SWAN Hydrogen Cell Data Analysis: Method Description, "Proceedings of the Solar Wind 11 / SOHO 16, "Connecting Sun and Heliosphere" Conference (ESA SP-592). 12 - 17 June 2005 Whistler, Canada 592, 811.

 

Full list (in ADS): https://ui.adsabs.harvard.edu/public-libraries/0Zh_tFfVRwCM3IC_v3MEnQ