NA
N. Astudillo-Defru
astro-ph.EPastro-ph.SRastro-ph.IMastro-ph.GAPlanetsStars, CelestialTemperature
On Valency
published · living versionsW_z8t33xn2·v1 · currentpublished
The SOPHIE search for northern extrasolar planets. XIV. A temperate ( K) super-earth around the nearby star Gliese 411
with R. F. Díaz, X. Delfosse, M. J. Hobson, I. Boisse +31
1 version
W_kgvxmmtv·v1published
W_hv2bpc4c·v1published
Preprints & journals
91 papers in the corpus · 2013–2026Weighing the mass of LHS 3844 b2603.28237v2 · Alejandro Hacker, Nicola Astudillo-Defru, Rodrigo F. D'iaz et al.2026 · 0 citationsarXiv
Densities of small planets around the M dwarfs TOI-4336 A and TOI-4342 with ESPRESSO: Three sub-Neptunes, one super-Earth, and a Neptune-mass candidate2601.22115v2 · L'ena Parc, Charles Cadieux, Nolan Grieves et al.2026 · 1 citationarXiv
Sibling Sub-Neptunes Around Sibling M Dwarfs: TOI-521 and TOI-9122509.14782v2 · G. Lacedelli, E. Pall'e, R. Luque et al.2025 · 0 citationsarXiv
Characterizing planetary systems with SPIRou: Detection of a sub-Neptune in a 6-day period orbit around the M dwarf Gl 4102504.03572v2 · A. Carmona, X. Delfosse, M. Ould-Elhkim et al.2025 · 4 citationsA&A 700, A222 (2025)
Radial velocity homogeneous analysis of M dwarfs observed with HARPS I. Exoplanet detection and candidates2502.06513v1 · L. Mignon X. Delfosse, X. Bonfils, N. Meunier et al.2025 · 12 citationsAstronomy & Astrophysics, Volume 689, id.A32, 33 pp. Septembre 2024
Radial velocity homogeneous analysis of M dwarfs observed with HARPS. II. Detection limits and planetary occurrence statistics2502.06553v1 · L. Mignon, X. Delfosse, N. Meunier et al.2025 · 26 citationsA&A 700, A146 (2025)
Gl 725A b: a potential super-Earth detected with SOPHIE and SPIRou in an M dwarf binary system at 3.5 pc2411.09506v1 · P. Cortes-Zuleta, I. Boisse, M. Ould-Elhkim et al.2024 · 5 citationsA&A 693, A164 (2025)
Atmospheric characterisation and tighter constraints on the orbital misalignment of WASP-94 A b with HARPS2404.06550v1 · E. Ahrer, J. V. Seidel, L. Doyle et al.2024 · 0 citationsarXiv
Validation of a Third Planet in the LHS 1678 System2403.00110v2 · Michele L. Silverstein, Thomas Barclay, Joshua E. Schlieder et al.2024 · 8 citationsThe Astronomical Journal (2024), Volume 167, Issue 6, id.255, 12 pp
The SOPHIE search for northern extrasolar planets-XIX. A system including a cold sub-Neptune potentially transiting a V = 6.5 star HD889862311.13513v1 · N. Heidari, I. Boisse, N. C. Hara et al.2023 · 20 citationsA&A 681, A55 (2024)
TOI-4860 b, a short-period giant planet transiting an M3.5 dwarf2308.01454v2 · J.M. Almenara, X. Bonfils, E. M. Bryant et al.2023 · 16 citationsarXiv
Company for the ultra-high density, ultra-short period sub-Earth GJ 367 b: discovery of two additional low-mass planets at 11.5 and 34 days2307.09181v1 · Elisa Goffo, Davide Gandolfi, Jo Ann Egger et al.2023 · 35 citationsApJL 955 L3 (2023)
An unusually low-density super-Earth transiting the bright early-type M-dwarf GJ 1018 (TOI-244)2305.04922v1 · A. Castro-Gonz'alez, O.D.S. Demangeon, J. Lillo-Box et al.2023 · 43 citationsA&A 675, A52 (2023)
Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) VIII. Nondetection of sodium in the atmosphere of the aligned planet KELT-10b2303.05857v1 · M. Steiner, O. Attia, D. Ehrenreich et al.2023 · 4 citationsA&A 672, A134 (2023)
Characterisation of stellar activity of M dwarfs. I. Long-timescale variability in a large sample and detection of new cycles2303.03998v1 · L. Mignon, N. Meunier, X. Delfosse et al.2023 · 35 citationsA&A 675, A168 (2023)
Optical and near-infrared stellar activity characterization of the early M dwarf Gl~205 with SOPHIE and SPIRou2301.10614v2 · P. Cortes-Zuleta, I. Boisse, B. Klein et al.2023 · 23 citationsA&A 673, A14 (2023)
Characterization of a set of small planets with TESS and CHEOPS and an analysis of photometric performance2301.08162v3 · Dominic Oddo, Diana Dragomir, Alexis Brandeker et al.2023 · 20 citationsarXiv
TOI-3884 b: A rare 6-R planet that transits a low-mass star with a giant and likely polar spot2210.10909v1 · J.M. Almenara, X. Bonfils, T. Forveille et al.2022 · 34 citationsA&A 667, L11 (2022)
Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) VII. Detection of sodium on the long-transiting inflated sub-Saturn KELT-11 b2209.00597v1 · Dany Mounzer, Christophe Lovis, Julia V. Seidel et al.2022 · 27 citationsA&A 668, A1 (2022)
GJ 3090 b: one of the most favourable mini-Neptune for atmospheric characterisation2207.14121v2 · J.M. Almenara, X. Bonfils, J.F. Otegi et al.2022 · 19 citationsA&A 665, A91 (2022)
Line-by-line velocity measurements, an outlier-resistant method for precision velocimetry2207.13524v1 · 'Etienne Artigau, Charles Cadieux, Neil J. Cook et al.2022 · 114 citationsarXiv
Detailed stellar activity analysis and modelling of GJ 832: Reassessment of the putative habitable zone planet GJ 832c2206.07552v4 · P. Gorrini, N. Astudillo-Defru, S. Dreizler et al.2022 · 12 citationsA&A 664, A64 (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 zone2204.06376v1 · M. Damasso, M. Perger, J. M. Almenara et al.2022 · 20 citationsA&A 666, A187 (2022)
GJ 367b: A dense, ultrashort-period sub-Earth planet transiting a nearby red dwarf star.34855492 · Lam, Kristine W F, Csizmadia, Szilárd, Astudillo-Defru, Nicola et al.2021 · 74 citationsScience (New York, N.Y.). 2021;374(6572):1271-1275
New Galactic Lyrae-type Binaries Showing Superorbital Photometric Cycles2111.12457v1 · Gonzalo Rojas Garc'ia, Ronald Mennickent, Patrik Iwanek et al.2021 · 7 citations2021 ApJ 922 30
The LHS 1678 System: Two Earth-Sized Transiting Planets and an Astrometric Companion Orbiting an M Dwarf Near the Convective Boundary at 20 pc2110.12079v2 · Michele L. Silverstein, Joshua E. Schlieder, Thomas Barclay et al.2021 · 16 citationsarXiv
HD207897 b: A dense sub-Neptune transiting a nearby and bright K-type star2110.08597v1 · N. Heidari, I. Boisse, J. Orell-Mique et al.2021 · 17 citationsA&A 658, A176 (2022)
A More Precise Mass for GJ 1214 b and the Frequency of Multi-Planet Systems Around Mid-M Dwarfs2107.14732v1 · Ryan Cloutier, David Charbonneau, Drake Deming et al.2021 · 64 citationsarXiv
A Second Planet Transiting LTT 1445A and a Determination of the Masses of Both Worlds2107.14737v2 · J.G. Winters, R. Cloutier, A.A. Medina et al.2021 · 49 citationsarXiv
The SOPHIE search for northern extrasolar planets. XVIII: Six new cold Jupiters, including one of the most eccentric exoplanet orbits2107.05089v2 · O. D. S. Demangeon, S. Dalal, G. H'ebrard et al.2021 · 12 citationsA&A 653, A78 (2021)
TOI-674b: an oasis in the desert of exo-Neptunes transiting a nearby M dwarf2106.01246v1 · F. Murgas, N. Astudillo-Defru, X. Bonfils et al.2021 · 40 citationsA&A 653, A60 (2021)
The CARMENES search for exoplanets around M dwarfs. Two terrestrial planets orbiting G 264-012 and one terrestrial planet orbiting Gl 3932105.13785v1 · P.J. Amado, F.F. Bauer, C. Rodr'iguez L'opez et al.2021 · 25 citationsA&A 650, A188 (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 stars2105.09741v1 · S. Dalal, F. Kiefer, G. H'ebrard et al.2021 · 19 citationsA&A 651, A11 (2021)
TOI-269 b: An eccentric sub-Neptune transiting a M2 dwarf revisited with ExTrA2104.14782v1 · M. Cointepas, J.M. Almenara, X. Bonfils et al.2021 · 39 citationsA&A 650, A145 (2021)
Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley2101.01593v2 · Vincent Van Eylen, N. Astudillo-Defru, X. Bonfils et al.2021 · 88 citationsarXiv
Planetary system LHS 1140 revisited with ESPRESSO and TESS2010.06928v1 · J. Lillo-Box, P. Figueira, A. Leleu et al.2020 · 97 citationsarXiv
Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) VI. Non-detection of sodium with HARPS on the bloated super-Neptune WASP-127b2009.13386v2 · J. V. Seidel, M. Lendl, V. Bourrier et al.2020 · 40 citationsA&A 643, A45 (2020)
Discovery of a hot, transiting, Earth-sized planet and a second temperate, non-transiting planet around the M4 dwarf GJ 3473 (TOI-488)2009.10432v1 · J. Kemmer, S. Stock, D. Kossakowski et al.2020 · 45 citationsA&A 642, A236 (2020)
Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) V. Detection of sodium on the bloated super-Neptune WASP-166b2007.01783v1 · J. V. Seidel, D. Ehrenreich, V. Bourrier et al.2020 · 35 citationsA&A 641, L7 (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 b2006.11308v1 · H. J. Hoeijmakers, J. V. Seidel, L. Pino et al.2020 · 168 citationsarXiv
LHS 1815b: The First Thick-Disk Planet Detected By TESS2003.04525v1 · Tianjun Gan, Avi Shporer, John H. Livingston et al.2020 · 34 citationsarXiv
A pair of TESS planets spanning the radius valley around the nearby mid-M dwarf LTT 37802003.01136v2 · Ryan Cloutier, Jason D. Eastman, Joseph E. Rodriguez et al.2020 · 95 citationsarXiv
A hot terrestrial planet orbiting the bright M dwarf L 168-9 unveiled by TESS2001.09175v1 · N. Astudillo-Defru, R. Cloutier, S. X. Wang et al.2020 · 55 citationsA&A 636, A58 (2020)
Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) III. Atmospheric structure of the misaligned ultra-hot Jupiter WASP-121b2001.06836v1 · V. Bourrier, D. Ehrenreich, M. Lendl et al.2020 · 120 citationsA&A 635, A205 (2020)
The high-energy environment and atmospheric escape of the mini-Neptune K2-18 b2001.04532v2 · Leonardo A. dos Santos, David Ehrenreich, Vincent Bourrier et al.2020 · 48 citationsA&A 634, L4 (2020)
GJ 1252 b: A 1.2 planet transiting an M3-dwarf at 20.4 pc1912.05556v2 · Avi Shporer, Karen A. Collins, Nicola Astudillo-Defru et al.2019 · 46 citationsarXiv
The SOPHIE search for northern extrasolar planets. XVI. HD 158259: A compact planetary system in a near-3:2 mean motion resonance chain1911.13296v2 · N. C. Hara, F. Bouchy, M. Stalport et al.2019 · 52 citationsarXiv
Optical phase curve of the ultra-hot Jupiter WASP-121b1909.03010v1 · V. Bourrier, D. Kitzmann, T. Kuntzer et al.2019 · 75 citationsA&A 637, A36 (2020)
The detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert1909.00739v1 · F. Kiefer, G. H'ebrard, J. Sahlmann et al.2019 · 65 citationsA&A 631, A125 (2019)
Three Red Suns in the Sky: A Transiting, Terrestrial Planet in a Triple M Dwarf System at 6.9 Parsecs1906.10147v2 · Jennifer G. Winters, Amber A. Medina, Jonathan M. Irwin et al.2019 · 98 citationsarXiv
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