WORKSHOP PROGRAMME - Demokritosweb.ims.demokritos.gr/IPPW-3/index_files/Workshop Programme.pdf · Tristan Guillot (Obs. Nice, France) ... J. R. Robinson, ... and P. Couzin, “FMCW

WORKSHOP PROGRAMME

3rd International Planetary Probe Workshop

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SPONSORS AND SUPPORTERS

A most sincere “THANK YOU !!” to our sponsors and supporters!


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27 June 2005 – 1 July 2005

EDEN Beach Hotel-Club, Anavyssos, Attiki, GREECE

International Steering Committee

Jean-Marie Muylaert (ESA/ESTEC, Netherlands) General Chair Jean-Pierre Lebreton (ESA/ESTEC, Netherlands) Co-Chair: Science Dave Atkinson (Univ. Idaho, USA) Co-Chair: Science Raj Venkatapathy (NASA Ames, USA) Co-Chair George Vekinis (NCSR “Demokritos”, Greece) Local Organizing Committee Chair Michael Mickelson (Denison Univ., USA) Local Committee co-Chair - US Rep. Tom Spilker (JPL, USA) Deputy Co-Chair: Science Bobby Kazeminejad (Austrian Acad. Sci., Austria) Deputy Co-Chair Olivier Witasse (ESA/ESTEC, Netherlands) Deputy Co-Chair

U.S. Organizing Committee

Bill Ailor (Aerospace Corp.) James Arnold (Univ.Calif. Santa Cruz) Sushil Atreya (Univ. Michigan) Reta Beebe (New Mexico St. Univ.) Bernie Bienstock (Boeing) Scott Bolton (JPL) Robert Braun (Georgia Inst. Tech) Neil Cheatwood (NASA Langley) Tony Colaprete (NASA Ames) James Cutts (JPL) Prasun Desai (NASA LaRC) Larry Esposito (Univ. Colorado) Peter Gage (NASA Ames) Bonnie James (NASA Marshall) Elizabeth Kolawa (JPL) Ralph Lorenz (LPL/Univ. Arizona) Paul Mahaffy (NASA GSFC) Ed Martinez (NASA Ames) Toby Owen (Univ. Hawaii) Periklis Papadopoulos (San Jose St. Univ.) Jim Robinson (NASA HQ) Tom Spilker (JPL) Bill Willcockson (Lockheed) Rich Young (NASA Ames)

European Organizing Committee Richard Bessudo (Alcatel, France) Thierry Blancquaert (ESA/ESTEC,

Netherlands) Sebastiano Caristia (CIRA, Italy) Ed Chester (ESA/ESOC, Germany) Giacomo Colombatti (Un. Padova, Italy) Francesca Ferri (Univ. Padova, Italy) Tristan Guillot (Obs. Nice, France) Christophe Laux (Ecole Centrale, France) Denis Lebleu (Alcatel, France) Steve Lingard (Vorticity Ltd, UK) Anne-Marie Schipper (Alcatel, France) Phillipe Tran (EADS-Mureaux, France) John Underwood (Vorticity Ltd, UK) John Zarnecki (Open Univ., UK)

Local Organizing Committee George Vekinis, NCSR “Demokritos” Galina Xanthopoulou, NCSR “Demokritos” Chrisoula Dardavesi, NCSR “Demokritos” Michael Mickelson, Denison Un,USA rep.


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PROGRAMME OVERVIEW Sunday 26 June 18:00 – 20:00 Registration and Social-by-the-sea Monday 27 June 8:00 – 9:00 Registration, Coffee and Posters display 9:00 – 12:00 Session 1:Current Outlook for Probe Missions, Scientific

Drivers, Competing Priorities and Programmatic Realities 12:00 – 13:30 Lunch – Sponsored by ALCATEL SPACE, France 13:30 – 17:20 Session 2A: Huygens 20:00 – 22:30 Session 2B: Huygens (continued) Tuesday 28 June 8:30 – 1215 Session 3: Recent / Upcoming Missions: Entry Probe,

Technology Demonstrator, and Sample Return 12:15 – 13:30 Lunch – Sponsored by ALCATEL SPACE, France 13:30 – 17:00 Session 4: Outer Planets - Future Mission Concepts and

Technology Needs 20:00 – 22:30 Session 2C: Huygens (continued) Wednesday 29 June

Free day - Social Activities – Bus Tour to Archaeological Sites Thursday 30 June 8:30 – 12:15 Session 5: Terrestrial Planets, Pluto, and Satellites of Gas

Giants - Future Mission Concepts and Technology Needs 12:15 – 13:30 Lunch – Sponsored by ALCATEL SPACE, France 13:30 – 17:00 Session 6: Emerging and Enabling Technologies; Sensors

for Science and Technology; Extreme Environment Engineering

20:00 - late Banquet-by-the-sea Friday 1 July 8:30 – 12:00 Session 7: Cross-Cutting Technologies for Probe Missions 12:00 – 12:15 CLOSING REMARKS – CONCLUSIONS – LOOKING

AHEAD 12:15 – 13:30 Lunch – Sponsored by ALCATEL SPACE, France 13:30 – 17:00 Session 8: (ISC Only) Summaries, Discussions, Issues, etc.

POSTERS WILL BE DISPLAYED THROUGHOUT THE WORKSHOP


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WORKSHOP PROGRAMME

Session 1: Monday Morning, 27 June 2005

Current Outlook for Probe Missions, Scientific Drivers, Competing Priorities and Programmatic Realities

Chair: Raj Venkatapathy Co-Chair: Jean-Marie Muylaert Scope: Current US, European, and International climate for solar system exploration. Mars/Moon Initiative, Prometheus, JIMO, Europlanet, Vision Missions Program; Identification of needed technologies. International Collaboration and cooperation. What are the near-term and the long-term science goals? What technologies are required to pursue these goals? 9:00 Welcome and Introductory comments 9:15 Invited: G. S. Hubbard: "The Role of Planetary Probes in the

Exploration Vision" 9:45 Invited: G. Schwehm, “Future Planetary Research at ESA” 10:15 Break and Posters 10:30 Invited: J. A. Cutts, J. R. Robinson, T. Balint and C. Peterson,

“Developing a Strategic Plan for Solar System Exploration at NASA” 11:00 Panel Discussion: Topic TBD 12:00 Lunch – Sponsored by ALCATEL SPACE, France

Presenting author in bold


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Session 2A: Monday Afternoon, 27 June 2005

Huygens Chair: Jean-Pierre Lebreton Co-Chair: Ralph Lorenz Scope: Huygens Probe mission to Titan, including all aspects of design, engineering and execution of Huygens; Lessons learnt; Successes and failures / shortcomings of the mission design and execution. What could have been done better / different, what were the consequences of shortcomings? 13:30 Invited: J.-P. Lebreton, A.-M. Schipper, C. Sollazzo, Th. Blancquaert,

D. Matson, L. Gurvits and O. Witasse, “Huygens mission overview and early results highlights”

14:00 T. D. Goodson, Y. Hahn, N. J. Strange, S. V. Wagner and M. C. Wong, “Maneuver targeting strategies and results for the Cassini-Huygens Mission”

14:20 P. Couzin , Th. Blancquaert and A. M. Schipper, “Huygens Probe design and performance: Some lessons learnt”

14:50 J. Underwood, “Huygens DCSS performance reconstruction” 15:10 Break and Posters 15:40 M. Pérez-Ayúcar, P. Couzin, J.-P. Lebreton and O. Witasse, “Huygens

radio link performance” 16:00 I.M. Avruch, L.I. Gurvits, S.V. Pogrebenko, J.-P. Lebreton, C.G.M.

van't Klooster and the Huygens VLBI Tracking Team, “Very long base interferometry tracking of the Huygens probe”

16:20 F. Ferri, G. Colombatti, P.F. Lion Stoppato, F. Angrilli, J.C. Zarnecki, A.M. Harri, M. Fulchignoni and the HASI team, “The Huygens atmospheric structure instrument (HASI): Performance and results during Entry and landing on Titan”

16:40 R. D Lorenz, J. C Zarnecki, M. C Towner, M. R Leese, A. J Ball, B. Hathi, A. Hagermann and N. A L Ghafoor, “Descent dynamics of the Huygens Probe as measured by the surface science package (SSP)”

17:00 B. Rizk, E. McFarlane, M. Bushroe, M. G. Tomasko, E. Karkoschka, C. See, B. Archinal, T. Becker, B. Bézard, M. Combes, D. Cook, A. Coustenis, C. deBergh, L. E. Dafoe, L. Doose, S. Doute, A. Eibl, S. Engel, F. Gliem, B. Grieger, K. Holso, E. Howington-Krause, H. U. Keller, R. Kirk, R. Kramm, M. Küppers, E. Lellouch, M. Lemmon, J. Lunine, W. Markiewicz, J. Moores, M. Prout, M. Rosiek, P. Rüffer, S. Schröder, B. Schmitt, P. Smith, L. Soderblom, N. Thomas, R. West, “Descent Trajectory and attitude reconstruction of Huygens probe using Descent Imager/Spectral Radiometer (DISR) data”


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Session 2B: Monday Evening, 27 June 2005

Huygens (continued)

20:00 S. W. Asmar, W. M. Folkner, D. V. Johnston, R. A. Preston, M. K. Bird, R. Dutta-Roy, Y. Dzierma, M. Allison, D. H. Atkinson, J. Malecha, P. Edenhofer, D. Plettemeier, G. L. Tyler, L. I. Gurvits, I. M. Avruch and S. V. Pogrebenko, “Initial Results of the Huygens Doppler Wind Experiment”

20:20 H. Niemann, J. Demick, J. Haberman, D. Harpold, W. Kasprzak, E. Raaen, S. Way, S. Atreya, G. Carignan, S. Bauer, D. Gautier, D. Hunten, J. Lunine, G. Israel, T. Owen and F. Raulin, “First Results from the Gas Chromatograph and Mass Spectrometer (GCMS) experiment on the Cassini-Hygens Probe”

20:40 R. Trautner, H. Svedhem, J.-P. Lebreton, D. Plettemeier, N. Floury and P. Couzin, “FMCW Radars for entry probes and landers: Lessons learnt from the Huygens radar altimeter”

20:55 J. Bordi, P. Antreasian, J. Jones, C. Meek, R. Ionasescu, I. Roundhill and D. Roth, “Orbit Determination results and trajectory reconstruction for the Cassini/Huygens Mission”

21:10 B. Kazeminejad, D. H. Atkinson and M. Pérez-Ayúcar, “First application of the DTWG trajectory reconstruction algorithm to Huygens Data”

21:25 R. D Lorenz, J. M Dooley and K. Brock, “Attitude Dynamics and measurements of a scale-model Huygens probe parachute dropped from a model aircraft”

21:40 Panel Discussion: International collaboration; Huygens lessons learnt


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Session 3 – Tuesday Morning, 28 June 2005

Recent / Upcoming Missions: Entry Probe, Technology Demonstrator and Sample Return

Chair: Neil Cheatwood Co-Chair: Prasun Desai Scope: EDL Trajectory reconstruction, Parachute, TPS, Other subsystem design vs. performance, Science and Mission architecture. Emphasized Missions: MER, Genesis, IRDT (Inflatable Re-entry and Descent Technology (IRDT)). 8:30 Invited: P. N. Desai and G. D. Qualls, "Trajectory Reconstruction of

the Genesis Entry" 8:55 E. I. Chester and M.R.Sims, "Beagle 2: Aftermath - Lessons learnt and

the post-landing phase" 9:15 C. Szalai, W. Lee, B. Thoma, J. Maki, W. Willcockson and E.

Venkatapathy, "MER Heatshield Observation Campaign" 9:35 W. Lee, M. Grover and T. Priser, "System Design of Phoenix EDL" 9:55 Break and Posters 10:10 Invited: M. Adler, "Performance Challenges for Future Robotic Mars

Missions" 10:35 C. J. Player, F.M. Cheatwood and J.M. Corliss, "Development of

Inflatable Entry Systems Technologies" 10:55 R. A. Dillman, F. M. Cheatwood, J. M. Corliss and S. J. Hughes,

“Technology Developments for Atmospheric Entry Systems” 11:15 Panel Discussion: Topic TBD 12:00 Lunch – Sponsored by ALCATEL SPACE, France


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Session 4 – Tuesday Afternoon, 28 June 2005

Outer Planets - Future Mission Concepts and Technology Needs

Chair: Maarten Roos-Serote Co-Chair: Tristan Guillot Scope: Missions to Jupiter, Saturn, Uranus, and Neptune. Goals for future science explorations of Jupiter, Saturn, and Neptune systems, mission architecture studies, emerging technologies, and technology gaps; Multiprobe missions. 13:30 Invited: S. Atreya and T. Owen, “Multiple Probes to multiple planets” 14:00 Invited: T. Owen, T. Encrenaz, S. Atreya, S. Bolton and D. G. Gautier,

“Compositional Constraints on Giant Planet Formation: The Role of Probes”

14:30 T. Guillot, “Interiors of the giant planets: Models, outstanding questions and probes”

14:50 Break and Posters 15:30 T. Balint, “State of Affairs for Jupiter Deep Entry Probes” 15:50 T. Spilker, “Entry probe communications at the Giant Planets” 16:10 P. Wercinski, G. Allen, M. Tauber, B. Laub, Y.-K. Chen and E. Venka-

tapathy, “Outer Planet Probe Design - Entry System Challenges” 16:30 Panel Discussion: What is the most outstanding scientific question to

be asked and which planet should be probed to answer it? What would be the associated technological roadmap thereof?


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Session 2C – Tuesday Evening, 28 June 2005

Huygens (continued)

20:00 T. Blancquaert, “Huygens delta flight acceptance review issues and mission risk / readiness review”

20:10 E. Raynaud, P. Tran, J. Soler and M. Baillion, “Huygens Aerothermal Environment : radiative heating”

20:25 M. Wright, B. R. Hollis, D. Bose and L. Walpot, “Post-flight aerothermal analysis of Huygens Probe”

20:40 L. Walpot, L. Caillault, R. Molina and C. Laux, “Huygens Entry heat flux prediction”

20:55 T. E. Magin, L. Caillault, A. Bourdon and C. O. Laux, “Non-equilibrium radiation modeling for Huygens entry”

21:10 J.M. Bouilly, “Thermal Protection System of the HUYGENS probe during TITAN entry: flight preparation and lessons learnt”

21:25 D. Lebleu and G. Cluzet, “Huygens probe to TITAN: Thermal behaviour revalidation during atmospheric entry”

21:40 T. Blancquaert and R. Molina “Huygens Probe atmospheric entry analysis: Go-Ahead for the mission”

21:50 B. Laub and Y.-K. Chen, “Updated TPS requirements for missions to Titan”

22:10 Panel Discussion. Topic TBD

Wednesday, 29 June 2005

Free Day – Social activities – Bus Tour to Archaeological Sites


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Session 5 – Thursday Morning, 30 June 2005 Terrestrial Planets, Pluto, and Satellites of Gas Giants - Future Mission

Concepts and Technology Needs Chair: Paul Mahaffy Co-Chair: Bjorn Grieger Scope: Missions – Mars, Venus, and Titan. Goals for future science explorations of Mars, Venus, and Titan. Mission architecture studies, emerging technologies, and technology gaps. Aurora, MER, Phoenix, MSL, MSR 8:30 Invited: K. H. Baines, “In situ exploration of Venus: Key to

understanding our sister world” 9:00 Invited: E. Chassefière, J.-J. Berthelier, A. Jambon and J.-C.

Sabroux, “Venus atmosphere build-up and evolution: where did the oxygen go? Could abiotic, oxygen-rich atmospheres exist on extra-solar planets? Rationale for a Venus entry probe”

9:30 B. Grieger and H. S. Griebel, “Archimedes: A balloon mission to Mars led by the German Mars Society”

9:50 Break and Posters 10:30 A. McRonald, “A ballute for entry and descent on Triton” 10:50 A. Zöhrer and G. Kargl, “Finite Element Modeling of penetration tests

into Martian analogue materials” 11:10 P. R. Mahaffy, “Analytical laboratory science on the 2009 Mars

science laboratory (MSL) mission” 11:30 Panel Discussion. Topic: “What next for Venus, Mars, and Titan?” 12:00 Lunch – Sponsored by ALCATEL SPACE, France


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Session 6 – Thursday Afternoon, 30 June 2005

Emerging and Enabling Technologies; Sensors for Science and Technology; Extreme Environment Engineering

Chair: Elizabeth Kolawa Co-Chair: Jim Arnold Scope: Sensor needs and emerging technologies for Probe science and engineering, Aerothermodynamics for EDL design, GN&C. 13:30 Invited: H. B. Niemann, D. N. Harpold, B. G. Jameson and P. R.

Mahaffy, “Mass spectrometry for planetary probes: past, present and future”

14:00 D.J. McComas, S.A. Cerwin, F. Crary, J. Helffrich, J. Mitchell, D.L. Strickland, and P.W. Valek, “Micro-electromechanical planetary probes (MEMPPs)”

14:20 E. Martinez, T. Oishi, J. Fu and S. Gorbonov, “Current developments in future planetary probe sensors for TPS: Update 2005”

14:40 M. Stackpoole, D. Srivastava, A. Fuentes, B. Cruden, and J. O. Arnold, “Nano-reinforced Ti composites as candidate pressure vessel materials for deep atmospheric probes”

15:00 Break and Posters 15:30 L.Y. Del Castillo, E.A. Kolawa, T.W. Johnson, M.M. Mojarradi and T.

Hatake, “High Temperature electronics for atmospheric probes and Venus landed missions”

15:50 M. Roos-Serote, D. Banfield, P. Gierasch, D. Stam, H. Volten, O. Munoz, M. Mishchenko and R. Dissly, “Planetary polarization nephelometer”

16:10 G. Kargl, A. Zöhrer, N. I. Kömle, A. J. Ball, T. J. Ringrose, M. D. Paton, K. R. Atkinson and M. C. Towner, “The detection of small-scale structures in planetary surface materials with ground-penetrating instruments”

16:30 Panel Discussion – Topic: “Sensors and Instruments”

Thursday Evening, 20:00: Banquet-on-the-Beach

Announcement of the winners of the Student Poster Competition


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Session 7 – Friday Morning, 1 July 2005

Cross-cutting Technologies for Probe Missions Chair: Bonnie James Co-Chair: John Underwood Scope: Emerging cross-cutting technologies that can benefit a range of probe missions especially with an emphasis on Mission Design and Communication. Relays, VLBI techniques. Chuteless probes, balloons and other descent systems, ballutes and deployables. 8:30 Invited: R. Rohrschneider and R. Braun, “A Survey of Ballute

Technology for Aerocapture” 9:00 K. L. (Gates) Medlock, J. M. Longuski and D. T. Lyons, “A Dual-Use

Ballute for Aerocapture and Descent During Planetary Missions” 9:20 W. H. Ailor, 2D. J. Rasky, 1V. B. Kapoor, 2E. Venkatapathy, “Pico

Reentry Probes: New Tools for Reentry Testing” 9:40 M. S. Murbach, “SCRAMP: The Development of an Advanced

Planetary Probe from CFD to Re-entry Test Flight” 10:00 A. Duvall, C. G. Justus and V. W. Keller, “Global Reference

Atmospheric Models for Aeroassist Applications” 10:20 P. Ramsey and E. Lyne, “A Preliminary Investigation of Aerogravity

Assist at Triton for Capture into Orbit about Neptune” 10:40 Break and Posters 11:00 Panel Discussion: Application and Infusion Challenges for Inflatable

Decelerators (Moderator: Jim Cutts) 12:00 CLOSING REMARKS – CONCLUSIONS – LOOKING AHEAD 12:15 Lunch – Sponsored by ALCATEL SPACE, France

Session 8: Friday Afternoon, 1 July 2005 13:30 – 17:00 (ISC Only) Summaries, Discussions, Issues, etc. ISC members discussion on the follow-on workshop, organization, etc.


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POSTERS

Posters will be displayed for perusal continuously during the workshop. Presenting authors are requested to be available for discussions near their posters during the breaks. Vision-Missions: 1. B. Bienstock, D. Atkinson, K. Baines, P. Mahaffy, S. Atreya, A. Stern, P.

Steffes, M. Wright, “A Neptune/Triton Vision Mission Using Nuclear Electric Propulsion”

2. J. A. Jones, J. A. Cutts, J. L. Hall, J.-J. Wu, D. A. Fairbrother, T. Lachenmeier, “Montgolfiere balloon missions for Mars and Titan”

3. T.R. Spilker and A. P. Ingersoll, “Sampling an ice-giant: aerocapture implementation of NASA’s “Neptune orbiter with probes” vision mission"

Huygens: 4. D. L. Allestad and S. P. Standley, “Cassini orbiter operations: lessons

learnt from the Huygens probe mission” 5. C. Bettanini and F.Angrilli, “Attitude determination of Huygens probe

during Titan descent through iterative extended Kalman filtering” 6. M. Pérez-Ayúcar, A. Sarlette, P. Couzin, T. Blancquaert, R Trautner, O.

Witasse and J.-P. Lebreton, “Huygens attitude reconstruction based on flight engineering parameters”

7. M. Pérez-Ayúcar, O. Witasse, J.-P. Lebreton, B. Kazeminejad and D. H. Atkinson, “The Huygens synthetic data set”

8. M. Playez and D. G. Fletcher, “Titan atmosphere plasma characterization using spectroscopic measurement techniques”

9. A. Sarlette, M. Pérez-Ayúcar, O. Witasse, J.-P. Lebreton, “Comparison of the Huygens mission and the SM2 test flight for Huygens attitude reconstruction”

Terrestrial Planets: 10. K. H. Baines, S. Atreya, A. Chutjian, D. Crisp, J. L. Hall, D. L. Jones, V.

V. Kerzha-novich, S. S. Limaye, S. Stephens, “A new view of Venus: direct measurements of planetary formation and evolution, meteorology, dynamics and chemistry from a long-duration in-situ aerial tour of our sister planet”

11. M. Hamelin, “Gathering Phobos regolith from a Martian satellite orbiting near the Lagrange points”

12. B. Petropoulos, P. Preka and G. Kyriakidis, “Engineering models for the Mars atmosphere based on recent measurements of Mars Pathfinder and Mars Global Surveyor”

13. J. Schulster and E. Chester, “Mars Express operational experience: delivering a probe”


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Other Missions: 14. T. R. Spilker, D. N. Sweetnam and D. S. Burnett, “NASA’s Genesis

mission: bringing home a piece of the Sun” Design, Materials, Characterisation, Testing and TPS: 15. S. Caristia, F. De Filippis, C. Purpura, R. Carandente and F. Caiazzo,

”Evaluation and improvement of the Scirocco facility for simulation of CO2 plasma in case of Mars and Venus entry”

16. H. Crogman and W.G. Harter, “Spectral analysis of two coupled diatomic rotor molecules”

17. M. Hamelin, M. Godefroy and C. Guérin, “Attitude reconstruction of the PEASMA balloon gondola during ascent, cruise and descent under parachute”

18. R. D. Lorenz, B. Bienstock, P. Couzin and G. Cluzet, “Thermal design and performance of probes in thick atmospheres: experience of Pioneer Venus, Galileo and Huygens”

19. H. Ottens, L. Walpot and J-M Muylaert, “Aerothermodynamic flight measurements techniques and environment issues of EXPERT”

20. M. Stackpoole, G. Rom, T. Squire and J. O. Arnold, “UHTC Composites with Nanotube-Reinforcements for Advanced TPS Applications”

21. A. Strawa, M. Velante and P. Papadopoulos, “The Mars Sunphotometer project”

22. A. S. Tremsin, “Very Efficient Thermal Neutron Counting Detectors With High Spatial, Angular And Temporal Resolution” (unattended poster)

23. G. Vekinis and G. Xanthopoulou, “A Hybrid ceramic-polymer reinforced composite TPS for multiple atmospheric entry probes”

Theory and Simulation: 24. P. J. S. Gil, P. M. B. Rosa, J. M. B. S. Castro and P. D. C. Geraldes,

“Simulations of a 6-DoF probe entry in Neptune’s atmosphere” 25. B. Grieger, “Immersive visualization of space probe voyages between

data proprietary and public outreach” 26. D. M. Kipp, J.A. Dec, G.W. Wells and R.D. Braun, “Development of a

Planetary entry systems synthesis tool for conceptual entry system design and analysis”

27. C. Ong and R. Braun, “A survey of hypersonic aerodynamics and aero-thermodynamics for planetary re-entry capsules”

28. P. Papadopoulos, P. Subrahmanyam and M. Capper, “Database driven Planetary Probe Automatic Geometry and Grid Generation Tool for Atmospheric Entry Simulations”

29. P. Subrahmanyam and P. Papadopoulos, “Trajectory based Compu-tational Aerothermodynamic Investigation Tool SPARTA for Planetary Entry Probes”

Documents

WORKSHOP PROGRAMME - Demokritosweb.ims.demokritos.gr/IPPW-3/index_files/Workshop Programme.pdf · Tristan Guillot (Obs. Nice, France) ... J. R. Robinson, ... and P. Couzin, “FMCW