CURRICULUM VITAE. Italy Tel : Professional Experience. Research Interests

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1 CURRICULUM VITAE Roxanne LIGI AstroFit2 Post-doctorate/ Marie Skłodowska-Curie Fellow Born the 5 th February 1987 in San Diego (USA) INAF-Osservatorio Astronomico di Brera Nationality : French via E. Bianchi 46, Merate, Lc roxanne.ligi@brera.inaf.it Italy Tel : Professional Experience June 2017-present AstroFit2/Marie Skłodowska-Curie fellow INAF-OA Brera Sept May 2017 CNES Post-doctorate fellow Laboratoire d Astrophysique de Marseille Nov July Post-doctorate fellow Observatoire de la Côte d Azur Oct Oct PhD Student Observatoire de la Côte d Azur Research Interests Astrophysical objects Main objectives Observations method Modeling tools Exoplanets and their stellar hosts. Detection and validation of exoplanets Precise determination of stellar parameters Stellar activity and its impact on exoplanets characterization Characterization of exoplanets Optical interferometry (VEGA/CHARA, MIRC/CHARA) High-contrast imaging (SPHERE/VLT) Asterosismology COMETS (Ligi et al. 2015) - LITpro - Aspro2 - VMT - SPHERE-Data Center Education Nov PhD in Sciences of the Universe Observatoire de la Côte Oct Subject : Determination of fundamental parameters d Azur/Université of stars hosting planets with visible interferometry. Nice Sophia-Antipolis PhD Supervisor : Denis Mourard Defended the 20 th Nov. 2013, grade «Très Honorable» Master 2 nd year Research in Planetology Université Paris-Sud XI, Master 1 st year Fundamental Physics University of Bristol, U.K. (Erasmus) Licence Sciences, Technology and Health Université Bordeaux 1, France Speciality Physics and engineering Publications and Communications Publications in refereed journals : 20 (5 as first author and 1 as second author) Proceedings : 9, among wich 1 SPIE publication as first author Book chapter : 1 Scientific seminars : 3 Many talks in national and international conferences

2 Responsabilities Member of the SPHERE consortium : Work Package 2 (observations and data reduction). Active member of the VEGA/CHARA team since Former member of the Seminar Organizing Committee (SOC) of the LAM. Member of the SOC of the PLATO "Follow-up" workshop (IPAG, May 2015). Member of the CHARA TAC 2014 (Time Allocation Committee). Representative of PhD students at the Scientific Council of Fizeau Laboratory ( ). At CHARA : High-Angular Resolution Observations Proposals and observing time PI of 8 accepted VEGA/CHARA proposals + 2 accepted NOAO open time proposals. Co-I of 1 accepted MIRC/CHARA (PI Chiavassa). Observations 23 nights on site (Mount Wilson) and 54 nights in remote from Nice performed. PI of VEGA runs (August 2012, June 2017). At ESO : Proposals and observing time PI of two accepted proposals for SPHERE observations (P98, P99). Guaranteed Time Observations (GTO) SPHERE : access to SHINE data. Observations One observing run at ESO Paranal (November 2016, GTO) on SPHERE/VLT. Observations with AMBER/VLTI, run 089.C-0216 (A, B, D, E, F) (P.I. : F. Massi) : 4 half-nights in 2012 Teaching and Outreach Teaching experience : lectures and tutorials of Mathematics for Engineering (20 hours, first semester ), dedicated to 3 rd year students in Engineering school, Aix-Marseille University. Guided tours at OCA ( ). "Fête de la science" (annual national celebration of sciences in France) : organisation for school age pupils. Seminar for secondary-school pupils at OCA Seminars during «La Nuit des Coupoles Ouvertes» (celebration at OCA taking place every two years at the Plateau de Calern to promote astronomy). Others Languages French : mother tongue ; English : fluent ; Spanish : basics ; Italian : basics. Computing IDL, C++, Gnuplot... Hobbies Sport : ski, tag-rugby ; travelling, hiking,...

3 Publications in refereed journals 1. Flattening and surface-brightness of the fast-rotating star δ Persei with the visible VEGA/CHARA interferometer M. Challouf, N. Nardetto, A. Domiciano de Souza, [... ], R. Ligi et al. 2017, A&A, 604A, 51C DOI : / / Orbiting a binary : SPHERE characterization of the HD system M. Bonavita, V. D Orazi, D. Mesa, [... ], R. Ligi et al. 2017, A&A, accepted 2017arXiv B 3. Discovery of a warm, dusty giant planet around HIP65426 G. Chauvin, S. Desidera, A.-M. Lagrange, [... ], R. Ligi et al. 2017, A&A, accepted 2017arXiv C. 4. Investigation of the inner structures around HD with VLT/SPHERE R. Ligi, A. Vigan, R. Gratton, et al., MNRAS, in revision. 5. Asymmetries on red giant branch surfaces from CHARA/MIRC optical interferometry A. Chiavassa, R. Norris, M. Montargès, R. Ligi, et al. 2017, A&A, 600L, 2C. DOI : / / A disk wind in AB Aurigae traced with H α interferometry K. Perraut, C. Dougados, G. H. R. A. Lima, M. Benisty, D. Mourard, R. Ligi et al. 2016, A&A, 596, 17P. DOI : / / Resolving the Planet-hosting Inner Regions of the LkCa 15 Disk C. Thalmann, M. Janson, A. Garufi, [...], R. Ligi et al. 2016, ApJL, 828, 17T DOI : / /828/2/L17 8. VEGA/CHARA interferometric observations of Cepheids. I A resolved structure around the proto-type classical Cepheid δ Cep in the visible spectral range N. Nardetto, A. Mérand, D. Mourard, [...], R. Ligi et al. 2016, A&A, 593, 45N. 9. Radii, masses, and ages of 18 bright stars using interferometry. And new estimations of exoplanetary parameters R. Ligi, O. Creevey, D. Mourard, et al. 2016, A&A, A586, A94 DOI : / / Spectral and spatial imaging of the Be+sdO binary φ Persei D. Mourard, J. D. Monnier, A. Meilland, [... ], R. Ligi et al. 2015, A&A, 577, A51 DOI : / / Transiting exoplanets and magnetic spots characterized with optical interferometry. R. Ligi, D. Mourard, A.-M. Lagrange, K. Perraut & A. Chiavassa 2015, A&A, 574, A69 DOI : / / Improving the surface brightness-color relation for early-type stars using optical interferometry M. Challouf, N. Nardetto, D. Mourard, [... ], R. Ligi, et al. 2014, A&A, 570, A104 DOI : / / Planet transit and stellar granulation detection with interferometry. Using the three-dimensional stellar atmosphere Stagger-grid simulations A. Chiavassa, R. Ligi, Z. Magic, et al. 2014, A&A, 567, A115 DOI : / / The operation of VEGA/CHARA : from the scientific idea to the final products R. Ligi, D. Mourard, N. Nardetto & J.-M. Clausse 2013, Journal of Astronomical Instrumentation, 02, DOI : /S Spectrally resolved interferometric observations of α Cephei and physical modeling of fast rotating stars O. Delaa, J. Zorec, A. Domiciano de Souza, [... ], R. Ligi et al. 2013, A&A, 555, A100 DOI : / /

4 16. A new interferometric study of four exoplanet host stars : θ Cygni, 14 Andromedae, υ Andromedae and 42 Draconis R. Ligi, D. Mourard, A.-M. Lagrange, et al. 2012, A&A, 545, A5 DOI : / / A high angular and spectral resolution view into the hidden companion of ɛ Aurigae D. Mourard, P. Harmanec, R. Stencel, Ph. Bério, O. Chesneau, J. M. Clausse, R. Ligi, et al. 2012, A&A, 544, A91 DOI : / / Chromosphere of K giant stars. Geometrical extent and spatial structure detection Ph. Bério, T. Merle, F. Thévenin, D. Bonneau, D. Mourard, O. Chesneau, O. Delaa, R. Ligi, et al. 2011, A&A, 535, A59 DOI : / / The diameter of the CoRoT target HD Combining the 3D limb darkening, asteroseismology, and interferometry L. Bigot, D. Mourard, Ph. Bério, F. Thévenin, R. Ligi, et al. 2011, A&A, 534, L3 DOI : / / Spatio-spectral encoding of fringes in optical long-baseline interferometry. Example of the 3T and 4T recombining mode of VEGA/CHARA D. Mourard, Ph. Bério, K. Perraut, R. Ligi, et al. 2011, A&A, 531, A110 DOI : / / Proceedings 1. Disentangling stellar activity from exoplanetary signals with interferometry R. Ligi, D. Mourard, A.-M. Lagrange, K. Perraut & A. Chiavassa 2015, European Physical Journal Web of Conferences, 101, DOI : /epjconf/ Impact of stellar activity on the determination of fundamental parameters with interferometry R. Ligi, D. Mourard, A.-M. Lagrange, K. Perraut & A. Chiavassa, in SF2A-2014 : Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, Eds. J. Ballet, F. Martins, F. Bournaud, R. Monier & C. Reylé, Review and latest news from the VEGA/CHARA facility N. Nardetto, D. Mourard, K. Peraut, I. Tallon-Bosc, A. Meilland, P. Stee, R. Ligi et al., in SF2A-2014 : Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, Eds. J. Ballet, F. Martins, F. Bournaud, R. Monier & C. Reylé, Modeling transiting exoplanets and spots for interferometric studies R. Ligi, D. Mourard, K. Perraut, et al. 2013, in IAU Symposium, Vol. 302, DOI : /S Programs and perspectives of visible long baseline interferometry VEGA/CHARA D. Mourard, N. Nardetto, R. Ligi & K. Perraut 2013, in Advances in Solid State Physics, Vol. 31, Advances in Solid State Physics, ed. J. C. Suárez, R. Garrido, L. A. Balona, & J. Christensen-Dalsgaard, 155 DOI : / _30 6. Study of exoplanets host stars with VEGA/CHARA R. Ligi, D. Mourard, A.-M. Lagrange, K. Perraut & I. Tallon-Bosc, 2012, in Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, Vol DOI : / Performances, results, and prospects of the visible spectrograph VEGA on CHARA D. Mourard, M. Challouf, R. Ligi, et al. 2012, in Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, Vol DOI : /

5 8. Interferometric determination of exoplanet host stars fundamental parameters : θ Cygni, 14 Andromedae, υ Andromedae and 42 Draconis R. Ligi, D. Mourard, A.-M. Lagrange & K. Perraut, in SF2A-2012 : Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, Eds. S. Boissier, P. de Laverny, N. Nardetto, R. Samadi, D. Valls-Gabaud, & H. Wozniak, Direct characterization of limb-darkening dedicated to transit measurements and asteroseismology R. Ligi & D. Mourard in Proceeding of the 2 nd CoRoT Symposium Book chapter 1. Stellar magnetism : Interferometric diagnostics R. Ligi 2014, contribution to the VLTI School book (Sept. 2013), EAS Publication Series : What the highest angular resolution can bring to stellar astrophysics?, 69, DOI : /eas/