• Cargo: Profesor Asistente/Representante de los Académicos de la Facultad de Ingeniería
  • Grado académico: Doctor en Astrofísica y Medios Diluidos , Universidad de Grenoble Alpes, Francia, 2015
  • Dependencia de trabajo: Oficina Nº 21 , DMFA
  • Correo electrónico: nastudillo@ucsc.cl
  • Teléfono: +56 - 41 - 234 5932

Enlaces de Interés

Cursos que Imparte

Pregrado

  • Cinemática y Dinámica
  • Mecánica de Cuerpos Rígidos y Fluidos

Área de Investigación

  • Astronomía
  • Exoplanetas

Proyectos

  • FONDECYT 3180063 (2018-2022) “A deeper characterization of the radial velocity jitter: overcoming the impact of stellar magnetic activity on high-resolution spectra of GKM spectral-type stars”.
  • GEMINI-CONICYT 32190008 (2020-2022) “Eclipse 2020 : más que una sombra en la Araucanía”.

Publicaciones

  • Mignon, L., et al. (2023) “Characterisation of stellar activity of M dwarfs. I. Long-timescale variability in a large sample and detection of new cycles”, A&A, 675, A168. DOI
  • Castro-González, A., et al. (2023) “An unusually low-density super-Earth transiting the bright early-type M-dwarf GJ 1018 (TOI-244)”, A&A, 675, A52. DOI
  • Cortés-Zuleta, P., et al. (2023) “Optical and near-infrared stellar activity characterization of the early M dwarf Gl 205 with SOPHIE and SPIRou”, A&A, 673, A14. DOI
  • Steiner, M., et al. (2023) “Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). VIII. Nondetection of sodium in the atmosphere of the aligned planet KELT-10b”, A&A, 672, A134. DOI
  • Oddo, D., et al. (2023) “Characterization of a Set of Small Planets with TESS and CHEOPS and an Analysis of Photometric Performance”, AJ, 165, 134. DOI
  • Mounzer, D., et al. (2022) “Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). VII. Detection of sodium on the long-transiting inflated sub-Saturn KELT-11 b”, A&A, 668, A1. DOI
  • Almenara, J. M., et al. (2022) “TOI-3884 b: A rare 6-R_Earth planet that transits a low-mass star with a giant and likely polar spot”, A&A, 667, L11. DOI
  • Damasso, M., et al. (2022) “A quarter century of spectroscopic monitoring of the nearby M dwarf Gl 514. A super-Earth on an eccentric orbit moving in and out of the habitable zone”, A&A, 666, A187. DOI
  • Artigau, É., et al. (2022) “Line-by-line Velocity Measurements: an Outlier-resistant Method for Precision Velocimetry”, AJ, 164, 84. DOI
  • Almenara, J. M., et al. (2022) “GJ 3090 b: one of the most favourable mini-Neptune for atmospheric characterisation”, A&A, 665, A91. DOI
  • Gorrini, P., et al. (2022) “Detailed stellar activity analysis and modelling of GJ 832. Reassessment of the putative habitable zone planet GJ 832c”, A&A, 664, A64. DOI
  • Winters, J. G., et al. (2022) “A Second Planet Transiting LTT 1445A and a Determination of the Masses of Both Worlds”, AJ, 163, 168. DOI
  • Silverstein, M. L., et al. (2022) “The LHS 1678 System: Two Earth-sized Transiting Planets and an Astrometric Companion Orbiting an M Dwarf Near the Convective Boundary at 20 pc”, AJ, 163, 151. DOI
  • Heidari, N., et al. (2022) “HD 207897 b: A dense sub-Neptune transiting a nearby and bright K-type star”, A&A, 658, A176. DOI
  • Cloutier, R., et al. (2021) “A More Precise Mass for GJ 1214 b and the Frequency of Multiplanet Systems Around Mid-M Dwarfs”, AJ, 162, 174. DOI
  • Van Eylen, V., et al. (2021) “Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley”, MNRAS, 507, 2154. DOI
  • Demangeon, O. D. S., et al. (2021) “The SOPHIE search for northern extrasolar planets. XVIII. Six new cold Jupiters, including one of the most eccentric exoplanet orbits”, A&A, 653, A78. DOI
  • Murgas, F., et al. (2021) “TOI-674b: An oasis in the desert of exo-Neptunes transiting a nearby M dwarf”, A&A, 653, A60. DOI
  • Dalal, S., et al. (2021) “The SOPHIE search for northern extrasolar planets. XVII. A wealth of new objects: Six cool Jupiters, three brown dwarfs, and 16 low-mass binary stars”, A&A, 651, A11. DOI
  • Amado, P. J., et al. (2021) “The CARMENES search for exoplanets around M dwarfs. Two terrestrial planets orbiting G 264-012 and one terrestrial planet orbiting Gl 393”, A&A, 650, A188. DOI
  • Cointepas, M., et al. (2021) “TOI-269 b: an eccentric sub-Neptune transiting a M2 dwarf revisited with ExTrA”, A&A, 650, A145. DOI
  • Seidel, J. V., et al. (2020) “Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). VI. Non-detection of sodium with HARPS on the bloated super-Neptune WASP-127b”, A&A, 643, A45. DOI
  • Kemmer, J., et al. (2020) “Discovery of a hot, transiting, Earth-sized planet and a second temperate, non-transiting planet around the M4 dwarf GJ 3473 (TOI-488)”, A&A, 642, A236. DOI
  • Lillo-Box, J., et al. (2020) “Planetary system LHS 1140 revisited with ESPRESSO and TESS”, A&A, 642, A121. DOI
  • Seidel, J. V., et al. (2020) “Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). V. Detection of sodium on the bloated super-Neptune WASP-166b”, A&A, 641, L7. DOI
  • Hoeijmakers, H. J., et al. (2020) “Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). IV. A spectral inventory of atoms and molecules in the high-resolution transmission spectrum of WASP-121 b”, A&A, 641, A123. DOI
  • Cloutier, R., et al. (2020) “A Pair of TESS Planets Spanning the Radius Valley around the Nearby Mid-M Dwarf LTT 3780”, AJ, 160, 3. DOI
  • Bourrier, V., et al. (2020) “Optical phase curve of the ultra-hot Jupiter WASP-121b”, A&A, 637, A36. DOI
  • Gan, T., et al. (2020) “LHS 1815b: The First Thick-disk Planet Detected by TESS”, AJ, 159, 160. DOI
  • Hara, N. C., et al. (2020) “The SOPHIE search for northern extrasolar planets. XVI. HD 158259: A compact planetary system in a near-3:2 mean motion resonance chain”, A&A, 636, L6. DOI
  • Astudillo-Defru, N., et al. (2020) “A hot terrestrial planet orbiting the bright M dwarf L 168-9 unveiled by TESS”, A&A, 636, A58. DOI
  • Bourrier, V., et al. (2020) “Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). III. Atmospheric structure of the misaligned ultra-hot Jupiter WASP-121b”, A&A, 635, A205. DOI
  • dos Santos, L. A., et al. (2020) “The high-energy environment and atmospheric escape of the mini-Neptune K2-18 b”, A&A, 634, L4. DOI
  • Kiefer, F., et al. (2019) “Detection and characterisation of 54 massive companions with the SOPHIE spectrograph. Seven new brown dwarfs and constraints on the brown dwarf desert”, A&A, 631, A125. DOI
  • Winters, J. G., et al. (2019) “Three Red Suns in the Sky: A Transiting, Terrestrial Planet in a Triple M-dwarf System at 6.9 pc”, AJ, 158, 152. DOI
  • Cloutier, R., et al. (2019) “Characterization of the L 98-59 multi-planetary system with HARPS. Mass characterization of a hot super-Earth, a sub-Neptune, and a mass upper limit on the third planet”, A&A, 629, A111. DOI
  • Mennickent, R. E., et al. (2019) “On the long-cycle variability of the Algol OGLE-LMC-DPV-065 and its stellar, orbital, and disc parameters”, MNRAS, 487, 4169. DOI
  • Hobson, M. J., et al. (2019) “The SOPHIE search for northern extrasolar planets. XV. A warm Neptune around the M dwarf Gl 378”, A&A, 625, A18. DOI
  • Díaz, R. F., et al. (2019) “The SOPHIE search for northern extrasolar planets. XIV. A temperate (T$_{eq}$ 300 K) super-earth around the nearby star Gliese 411”, A&A, 625, A17. DOI
  • Kosiarek, M. R., et al. (2019) “Bright Opportunities for Atmospheric Characterization of Small Planets: Masses and Radii of K2-3 b, c, and d and GJ3470 b from Radial Velocity Measurements and Spitzer Transits”, AJ, 157, 97. DOI
  • Seidel, J. V., et al. (2019) “Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). II. A broadened sodium feature on the ultra-hot giant WASP-76b”, A&A, 623, A166. DOI
  • Ment, K., et al. (2019) “A Second Terrestrial Planet Orbiting the Nearby M Dwarf LHS 1140”, AJ, 157, 32. DOI
  • Borgniet, S., et al. (2019) “Extrasolar planets and brown dwarfs around AF-type stars. X. The SOPHIE sample: combining the SOPHIE and HARPS surveys to compute the close giant planet mass-period distribution around AF-type stars”, A&A, 621, A87. DOI
  • Cloutier, R., et al. (2019) “Confirmation of the radial velocity super-Earth K2-18c with HARPS and CARMENES”, A&A, 621, A49. DOI
  • Bourrier, V., et al. (2018) “The 55 Cancri system reassessed”, A&A, 619, A1. DOI
  • Bonfils, X., et al. (2018) “Radial velocity follow-up of GJ1132 with HARPS. A precise mass for planet b and the discovery of a second planet”, A&A, 618, A142. DOI
  • Kaminski, A., et al. (2018) “The CARMENES search for exoplanets around M dwarfs. A Neptune-mass planet traversing the habitable zone around HD 180617”, A&A, 618, A115. DOI
  • Hobson, M. J., et al. (2018) “The SOPHIE search for northern extrasolar planets. XIII. Two planets around M-dwarfs Gl617A and Gl96”, A&A, 618, A103. DOI
  • Damasso, M., et al. (2018) “Eyes on K2-3: A system of three likely sub-Neptunes characterized with HARPS-N and HARPS”, A&A, 615, A69. DOI
  • Artigau, É., et al. (2018) “Optical and Near-infrared Radial Velocity Content of M Dwarfs: Testing Models with Barnard{textquoteright}s Star”, AJ, 155, 198. DOI
  • Bonfils, X., et al. (2018) “A temperate exo-Earth around a quiet M dwarf at 3.4 parsec”, A&A, 613, A25. DOI
  • Bourrier, V., et al. (2018) “Orbital misalignment of the Neptune-mass exoplanet GJ 436b with the spin of its cool star”, Natur, 553, 477. DOI
  • Cloutier, R., et al. (2017) “Characterization of the K2-18 multi-planetary system with HARPS. A habitable zone super-Earth and discovery of a second, warm super-Earth on a non-coplanar orbit”, A&A, 608, A35. DOI
  • Astudillo-Defru, N., et al. (2017) “The HARPS search for southern extra-solar planets. XLII. A system of Earth-mass planets around the nearby M dwarf YZ Ceti”, A&A, 605, L11. DOI
  • Bourrier, V., et al. (2017) “Strong H I Lyman-{ensuremath{alpha}} variations from an 11 Gyr-old host star: a planetary origin?”, A&A, 602, A106. DOI
  • Astudillo-Defru, N., et al. (2017) “The HARPS search for southern extra-solar planets. XLI. A dozen planets around the M dwarfs GJ 3138, GJ 3323, GJ 273, GJ 628, and GJ 3293”, A&A, 602, A88. DOI
  • Wyttenbach, A., et al. (2017) “Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). I. Detection of hot neutral sodium at high altitudes on WASP-49b”, A&A, 602, A36. DOI
  • Rey, J., et al. (2017) “The SOPHIE search for northern extrasolar planets. XII. Three giant planets suitable for astrometric mass determination with Gaia”, A&A, 601, A9. DOI
  • Dittmann, J. A., et al. (2017) “A temperate rocky super-Earth transiting a nearby cool star”, Natur, 544, 333. DOI
  • Astudillo-Defru, N., et al. (2017) “Magnetic activity in the HARPS M dwarf sample. The rotation-activity relationship for very low-mass stars through R’_HK”, A&A, 600, A13. DOI
  • Lovis, C., et al. (2017) “Atmospheric characterization of Proxima b by coupling the SPHERE high-contrast imager to the ESPRESSO spectrograph”, A&A, 599, A16. DOI
  • Suárez Mascareño, A., et al. (2017) “A super-Earth orbiting the nearby M dwarf GJ 536”, A&A, 597, A108. DOI
  • Sahlmann, J., et al. (2016) “The mass of planet GJ 676A b from ground-based astrometry. A planetary system with two mature gas giants suitable for direct imaging”, A&A, 595, A77. DOI
  • Díaz, R. F., et al. (2016) “The SOPHIE search for northern extrasolar planets. XI. Three new companions and an orbit update: Giant planets in the habitable zone”, A&A, 591, A146. DOI
  • Hébrard, G., et al. (2016) “The SOPHIE search for northern extrasolar planets. X. Detection and characterization of giant planets by the dozen”, A&A, 588, A145. DOI
  • Wilson, P. A., et al. (2016) “The SOPHIE search for northern extrasolar planets. IX. Populating the brown dwarf desert”, A&A, 588, A144. DOI
  • Bouchy, F., et al. (2016) “The SOPHIE search for northern extrasolar planets. VIII. Follow-up of ELODIE candidates: long-period brown-dwarf companions”, A&A, 585, A46. DOI
  • Berta-Thompson, Z. K., et al. (2015) “A rocky planet transiting a nearby low-mass star”, Natur, 527, 204, https://doi.org/10.1038/nature15762
  • Almenara, J. M., et al. (2015) “A HARPS view on K2-3”, A&A, 581, L7. DOI
  • Courcol, B., et al. (2015) “The SOPHIE search for northern extrasolar planets. VII. A warm Neptune orbiting HD 164595”, A&A, 581, A38. DOI
  • Astudillo-Defru, N., et al. (2015) “The HARPS search for southern extra-solar planets. XXXVI. Planetary systems and stellar activity of the M dwarfs GJ 3293, GJ 3341, and GJ 3543”, A&A, 575, A119. DOI
  • Lanotte, A. A., et al. (2014) “A global analysis of Spitzer and new HARPS data confirms the loneliness and metal-richness of GJ 436 b”, A&A, 572, A73. DOI
  • Moutou, C., et al. (2014) “The SOPHIE search for northern extrasolar planets. VI. Three new hot Jupiters in multi-planet extrasolar systems”, A&A, 563, A22. DOI
  • Borgniet, S., et al. (2014) “Extrasolar planets and brown dwarfs around A-F type stars. VIII. A giant planet orbiting the young star HD 113337”, A&A, 561, A65. DOI
  • Hoyer, S., et al. (2013) “TraMoS project – III. Improved physical parameters, timing analysis and starspot modelling of the WASP-4b exoplanet system from 38 transit observations”, MNRAS, 434, 46. DOI
  • Astudillo-Defru, N. & P. Rojo (2013) “Ground-based detection of calcium and possibly scandium and hydrogen in the atmosphere of HD 209458b”, A&A, 557, A56. DOI
  • Bonfils, X., et al. (2013) “The HARPS search for southern extra-solar planets. XXXIV. A planetary system around the nearby M dwarf GJ 163, with a super-Earth possibly in the habitable zone”, A&A, 556, A110. DOI.