Curriculum Vitae Ravit Helled Department of Geophysics and Planetary Sciences Tel-Aviv University, Tel-Aviv 69978, Israel Homepage: http://www.tau.ac.il/ rhelled/ E-mail: rhelled@post.tau.ac.il or r.helled@gmail.com Tel: +972 3 6408398 (work); +972 544 528311 (mobile) Research Interests Planet Formation, Planetary Structure and Evolution, Extrasolar Planets, Solar System Exploration Education Ph.D.: 2008 (distinct program). Tel-Aviv University B.Sc.: 2004. Tel-Aviv University Academic Appointments 2011-present: Senior Lecturer, Dept. Geophysics & Planetary Sciences, Tel-Aviv University 2009-2011: Assistant Researcher at UCLA, Department of Earth & Space Sciences 2008-2009: Postdoctoral Fellow at UCLA, Department of Earth & Space Sciences 2001-2004: Research Assistant, School of Physics & Astronomy, Tel-Aviv University Professional Activities Co-Investigator, JUICE (ESA mission) Science team Member, JUNO (NASA mission); Contributing scientist, PLATO (ESA mission) Co-editor, Encyclopedia for Astrobiology Member, COST Action: Origin of Life Participant in International Space Science Institute (ISSI) forums and working groups. Reviewer for Nature, ApJ, ApJL, MNRAS, Icarus, PSS, A&A, GRL. Member of International Astronomical Union (IAU), American Geophysical Union (AGU); American Astronomy Society (AAS) Member in NASA Proposals peer review committees Master advising committee member; Undergraduate advising committee member Organizer of Colloquium and Planetary discussion group 1
Teaching Experience UCLA: The Solar System (undergraduate class) Tel-Aviv University: Advanced Topics in Planetary Sciences (graduate class) Extrasolar Planets (graduate class) Scientific Writing and Communication (graduate class) Laboratory for Earth and Space Sciences (undergraduate class) Stardust: The Sun and Planets (undergraduate class, 170 students) Publications in Journals 1. Helled, R. & Lunine, J. (2014). Measuring Jupiter s water abundance by Juno: the link between interior and formation models. MNRAS, 441, 2273. 2. Helled, R. & Bodenheimer, P. (2014). The Formation of Uranus and Neptune: Challenges and Implications for Intermediate-mass Exoplanets. ApJ, 789, 69. 3. Rauer, H. et al. (2014). The PLATO 2.0 Mission. Experimental Astronomy, in press. 4. Nayakshin, S., Helled, R. & Boley, A. C. (2014). Core-assisted gas capture instability: a new mode of giant planet formation by gravitationally unstable discs. MNRAS, 440, 3797. 5. Lammer, H. et al. (2013). The Science of Exoplanets and Their Systems. Astrobiology,13, # 9. 6. Vazan, A., Kovetz, A., Podolak, M. & Helled, R. (2013). The Effect of Composition on the Evolution of Giant and Intermediate-Mass Planets. MNRAS, 434, 3283. 7. Kaspi, Y., Showman, A. P., Hubbard, W. B., Aharonson, O. & Helled, R. (2013). Atmospheric confinement of jet streams on Uranus and Neptune. Nature, 497, 344. 8. Helled, R. & Guillot, T. (2013). Interior Models of Saturn: Including the Uncertainties in Shape and Rotation. ApJ, 767, 113. 9. Nettelmann, N., Helled R., Fortney, J. J. & Redmer, R. (2013). New indication for a dichotomy in the interior structure of Uranus and Neptune from the application of modified shape and rotation data. PSS, 77,143. 10. Podolak M. & Helled, R. (2012). What do we Really Know about Uranus and Neptune? ApJL, 759, 32. 11. Christophe, B. et al. (2012). OSS (Outer Solar System): A fundamental and planetary physics mission to Neptune, Triton and the Kuiper Belt. Experimental Astronomy, 34, 203. 2
12. Arridge, C. S. et al. (2012). Uranus Pathfinder: Exploring the Origins and Evolution of Ice Giant Planets. Experimental Astronomy (2012), 33, 753. 13. Vazan A. & Helled, R. (2012). On the Evolution and Survival of Protoplanets Embedded in a Protoplanetary Disk. ApJ, 756, 90. 14. Helled, R. (2012). The Change in Jupiter s Moment of Inertia Due to Core Erosion and Planetary Contraction. ApJL, 748, 16. 15. Helled, R., Anderson, J. D., Schubert, G. & Stevenson, D. J. (2011). Jupiter s Moment of Inertia: A possible Determination by JUNO. Icarus, 216, 440. 16. Schubert, G, Anderson, J. D., Zhang, K., Kong, D. & Helled, R. (2011). Shapes and gravitational fields of rotating two-layer Maclaurin ellipsoids: Application to planets and satellites. PEPI, 187, 364. 17. Helled, R. (2011). Constraining Saturn s Core Properties by a Measurement of Its Moment of Inertia - Implications to the Cassini Solstice Mission. ApJ, 735, L16. 18. Boley, A., Helled, R. &Payne, M. (2011). The Heavy Element Composition of Disk Instability Planets Can Range From Sub- to Super-Nebular. ApJ, 735, 30. 19. Helled, R. (2011). Jupiter s Occultation Radii: Implications for its Internal Dynamics. GRL, 38, L08204. 20. Helled, R., Anderson, J. D., Podolak, M. & Schubert, G. (2011). Interior Models of Uranus and Neptune. ApJ, 726, 15. 21. Helled, R. & Bodenheimer, P. (2011). The Effects of Metallicity, and Grain Growth and Settling on the Early Evolution of Gaseous Protoplanets. Icarus, 211, 939. 22. Helled, R., Anderson, J. D. & Schubert, G. (2010). Uranus and Neptune: Shape and Rotation. Icarus, 210, 446. 23. Helled, R. & Bodenheimer, P. (2010). Metallicity of the Massive Protoplanets Around HR 8799 If Formed by Gravitational Instability. Icarus, 207, 503. 24. Helled, R., Schubert, G. & Anderson, J. D. (2009). Jupiter and Saturn Rotation Periods. Planet and Space Science, 57, 1467. 25. Helled, R. & Schubert, G. (2009). Heavy Element Enrichment of a Jupiter-mass Protoplanet as a Function of Orbital Location. ApJ, 697, 1256. 26. Helled, R. Schubert, G. & Anderson, J. D. (2009). Empirical models of pressure and density in Saturn s interior: Implications for the helium concentration, its depth dependence, and Saturn s precession rate. Icarus, 199, 368. 3
27. Helled, R. and Schubert, G. (2008). Core formation in giant gaseous protoplanets. Icarus, 198, 156. 28. Helled, R. Podolak, M. & Kovetz, A. (2008). Grain Sedimentation in a gaseous protoplanet. Icarus, 195, 863. 29. Helled, R.., Podolak M. & Kovetz A. (2006). Planetesimal Capture in the Disk Instability Model. Icarus, 185, 64. 30. Brosch N., Helled, R., Polishook D., Almoznino E. & David N. (2004). Meteor light curves: the relevant parameters. MNRAS, 355, 111. Book Chapters 1. Helled, R. et al. (2013). Giant Planet Formation, Evolution, and Internal Structure. To appear in Protostars and Planets IV, University of Arizona Space Science Series. 2. Fortney, J. J. et al. (2015). Saturn s Interior. To appear in Saturn in the 21st century, Cambridge University Press. 3. Helled, R. & Mordasini C. (2015). The link between planetary formation and planetary composition. To appear in The Space Sciences Series, Springer. Other Publications 1. Helled, R. and Brosch, N. (2014). The Juno Mission to Jupiter. Galileo Magazine (in hebrew). 2. Mousis, O. et al. (2014). Scientific rationale of Saturn s in situ exploration. PSS, submitted. 3. Fortney, J. J. et al. (2009). Planetary Formation and Evolution Revealed with a Saturn Entry Probe: The Importance of Noble Gases. Giant Planets panel 2013-2022 Planetary Science Decadal Survey. Conference Proceeding 1. Helled, R., Bodenheimer, P. and Lissauer, J. J. (2012). Composition of Massive Giant Planets. The Astrophysics of Planetary Systems: Formation, Structure, and Dynamical Evolution, Proceedings of the International Astronomical Union, IAU Symposium, 276, 95. 2. Brosch N., Helled, R., Polishook D. Schijvarg S. & Manulis I. (2002). Light curves of Geminids in 2001. Asteroids, Comets, Meteors - 2002. Ed. Barbara Warmbein. ESA SP-500. Noordwijk, Netherlands: ESA Publications Division, ISBN 92-9092-810-7, 209 212. 4
Invited Talks & Conferences Contributions [since 2009] Israeli-American Kavli Frontiers of Science (invited review talk). Jerusalem, Feb. 2015. European Planetary Science Congress (invited talk), Portugal, Sep. 2014. European Week of Astronomy and Space Science (invited talk), Geneva, Switzerland. Jul. 2014. Hebrew University, Physics & Astronomy (colloquium), Jerusalem, Israel. May. 2014. New Faces-New Faculty (invited talk). Israel Institute for Advanced Studies. Feb. 2013. The Israel Society for Astrobiology. Rechovot, Israel (invited review talk). Dec. 2013. AGU Fall Meeting (invited talk), San Francisco, CA. Dec. 2013. High Pressure, Planetary & Plasma Physics. Berlin, Germany (invited review talk). Oct. 2013. Uranus beyond Voyager 2. Meudon, France (invited review talk). Sep. 2013. PLATO 2.0 workshop, ESTEC, the Netherlands (invited review talk). Jul. 2013. Protostars and Planets VI (invited review talk), Heidelberg, Germany. Jul. 2013. Tautenburg Observatory (colloquium). Tautenburg, Germany. Jul. 2013. Tel-Aviv University, (colloquium). Tel-Aviv, Israel. Jun. 2013. Technion, Physics (colloquium). Haifa, Israel. Feb. 2013. ISSI Forum: Exoplanets, Bern, Switzerland (invited review talk). Dec. 2012. DLR, Berlin, Germany. Oct. 2012. Planetary Origins & Frontiers of Exploration, Rechovot, Israel. May. 2012. University of Bern, Bern, Switzerland. May. 2012. Israel Astronomical Association Conference, Ramat-Gan, Israel. Dec. 2011. Tel-Aviv University, Geophysics & Planetary Sciences (colloquium). Tel-Aviv, Israel. Nov. 2011. Weizmann Institute, (colloquium). Rechvot, Israel. Nov. 2011. UCSC (Earth & Space), (colloquium). Santa Cruz, CA. Apr. 2011. IAU 276 meeting: The Astrophysics of Planetary Systems. Turin, Italy (invited talk). Oct. 2010. Study of the Earth Deep Interior (SEDI) (invited review talk), Santa Barbara, CA, Jul. 2010. UCLA, ESS (colloquium), Los Angeles, CA. Apr. 2010. University of Austin, Astronomy, (colloquium). TX. Jan. 2010. Hebrew University (colloquium), Jerusalem, Israel. Nov. 2009. University of Zurich (colloquium), Zurich, Switzerland. Nov. 2009. Exeter University, Astronomy (colloquium). Exeter, England. Jun. 2009. UCSC (Astronomy Dept.), Santa Cruz, CA. May. 2009. 5
Caltech, Geophysics & Planetary Science, (colloquium), Pasadena, CA. May. 2009. Caltech, IPAC, (colloquium), Pasadena, CA. Apr. 2009. 6