NH
N. C. Hara
astro-ph.EPastro-ph.SRastro-ph.IMstat.APstat.COastro-ph.GAastro-ph.HEbiodiversityBiodiversityceno-mesozoic
On Valency
published · living versionsW_7yreeunp·v1 · currentpublished
Measuring masses of transiting Earth-like planets: first insights from the PLATO RV data challenge
with M. Cretignier, S. Aigrain, S. Sulis, F. Bouchy +22
1 version
W_kxbebmtq·v1published
W_z8t33xn2·v1published
Preprints & journals
72 papers in the corpus · 2016–2026Companions of Hot Jupiters: two decades of radial velocity monitoring with CORALIE2610.25152v1 · L'ena Parc, Joao P. Faria, Francois Bouchy et al.2026 · 0 citationsarXivon Valency
A decade of monitoring the HIP 41378's planetary system2606.23103v1 · S. Grouffal, A. Santerne, X. Dumusque et al.2026 · 0 citationsarXiv
The multi-planet system TOI-5624: Four transiting sub-Neptunes with an outer companion revealed by transit-timing variations2604.15035v2 · A. Bonfanti, D. Gandolfi, P. Leonardi et al.2026 · 1 citationA&A 709, A265 (2026)
Gas-depleted planet formation occurred in the four-planet system around the red dwarf LHS 1903.41678587 · Wilson, Thomas G, Simpson, Anna M, Collier Cameron, Andrew et al.2026 · 1 citationScience (New York, N.Y.). 2026;392(6795):eadl2348
The GAPS programme at TNG LXXI. A sub-Neptune suitable for atmospheric characterization in a multiplanet and mutually inclined system orbiting the bright K dwarf TOI-5789 (HIP 99452)2510.11490v4 · A. S. Bonomo, L. Naponiello, A. Sozzetti et al.2025 · 1 citationA&A 707, A197 (2026)
Architecture of planetary systems with and without outer giant planets I. Inner planet detections around HD 23079, HD 196067, and HD 862262509.26232v1 · J.-B. Delisle, J.P. Faria, D. S'egransan et al.2025 · 0 citationsarXiv
Chromaticity of stellar activity in radial velocities : Anti-correlated families of lines on the M dwarf EV Lac with SPIRou and SOPHIE2509.17911v1 · Pierre Larue, Xavier Delfosse, Andres Carmona et al.2025 · 6 citationsA&A, 701, A216 (2025)
ATREIDES I. Embarking on a trek across the exo-Neptunian landscape with the TOI-421 system2509.15746v1 · V. Bourrier, M. Steiner, A. Castro-Gonz'alez et al.2025 · 9 citationsA&A, 701, A190 (2025)
The JADE code. II. Modeling the coupled orbital and atmospheric evolution of GJ 436 b to constrain its migration and companion2509.07938v1 · M. Attia, V. Bourrier, E. Bolmont et al.2025 · 7 citationsA&A 702, A132 (2025)
A second low-mass planet orbiting the nearby M-dwarf GJ 5362509.03134v1 · A. Su'arez Mascareno, C. del Burgo, J.-B. Delisle et al.2025 · 0 citationsarXiv
A comprehensive study on radial velocity signals using ESPRESSO: Pushing precision to the 10 cm/s level2507.07514v1 · P. Figueira, J. P. Faria, A. M. Silva et al.2025 · 13 citationsarXiv
BEBOP VII. SOPHIE discovery of BEBOP-3b, a circumbinary giant planet on an eccentric orbit2506.14615v2 · Thomas A. Baycroft, Alexandre Santerne, Amaury H.M.J. Triaud et al.2025 · 10 citationsMon Not R Astron Soc (2025) 2801-2814
Two neighbours of the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna2504.20999v2 · A. Castro-Gonz'alez, F. Bouchy, A. C. M. Correia et al.2025 · 6 citationsA&A 699, A344 (2025)
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)
In-depth characterization of the Kepler-10 three-planet system with HARPS-N radial velocities and Kepler transit timing variations2502.07996v2 · A. S. Bonomo, L. Borsato, V. M. Rajpaul et al.2025 · 6 citationsA&A 696, A233 (2025)
Revisiting the multi-planetary system of the nearby star HD 20794: Confirmation of a low-mass planet in the habitable zone of a nearby G-dwarf2501.17092v1 · N. Nari, X. Dumusque, N. C. Hara et al.2025 · 12 citationsA&A; Volume 693; A297; 2025
TOI-5108 b and TOI 5786 b: Two transiting sub-Saturns detected and characterized with TESS, MaHPS and SOPHIE2501.03803v1 · Luis Thomas, Guillaume H'ebrard, Hanna Kellermann et al.2025 · 8 citationsA&A 694, A143 (2025)
Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS2412.08527v1 · N. Heidari, G. H'ebrard, E. Martioli et al.2024 · 12 citationsA&A 694, A36 (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)
Stellar surface information from the Ca II H&K lines -- II. Defining better activity proxies2411.00557v1 · M. Cretignier, N.C. Hara, A.G.M. Pietrow et al.2024 · 5 citationsarXiv
BEBOP V. Homogeneous Stellar Analysis of Potential Circumbinary Planet Hosts2406.03094v2 · Alix V. Freckelton, Daniel Sebastian, Annelies Mortier et al.2024 · 10 citationsarXiv
A low-mass sub-Neptune planet transiting the bright active star HD 733442405.17155v1 · S. Sulis, I.J.M. Crossfield, A. Santerne et al.2024 · 5 citationsarXiv
Photo-dynamical characterisation of the TOI-178 resonant chain2405.13732v1 · A. Leleu, J.-B. Delisle, L. Delrez et al.2024 · 10 citationsA&A 688, A211 (2024)
An improved correction of radial-velocity systematic for the SOPHIE spectrograph2404.17282v1 · S.Grouffal, A.Santerne, N.C. Hara et al.2024 · 2 citationsA&A 687, A148 (2024)
TESS and ESPRESSO discover a super-Earth and a mini-Neptune orbiting the K-dwarf TOI-2382402.04113v1 · A. Su'arez Mascareno, V. M. Passegger, J. I. Gonz'alez Hern'andez et al.2024 · 16 citationsarXiv
Author Correction: A dense ring of the trans-Neptunian object Quaoar outside its Roche limit.38228877 · Morgado, B E, Sicardy, B, Braga-Ribas, F et al.2024 · 0 citationsNature. 2024;626(7997):E2
The EBLM Project XI. Mass, radius and effective temperature measurements for 23 M-dwarf companions to solar-type stars observed with CHEOPS2312.11339v1 · M. I. Swayne, P. F. L. Maxted, A. H. M. J. Triaud et al.2023 · 24 citationsarXiv
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)
New Mass and Radius Constraints on the LHS 1140 Planets -- LHS 1140 b is Either a Temperate Mini-Neptune or a Water World2310.15490v2 · Charles Cadieux, Mykhaylo Plotnykov, Ren'e Doyon et al.2023 · 53 citationsarXiv
Statistical methods for exoplanet detection with radial velocities2308.00701v1 · Nathan C. Hara, Eric B. Ford2023 · 43 citationsarXiv
Earth's interior dynamics drive marine fossil diversity cycles of tens of millions of years.37428908 · Boulila, Slah, Peters, Shanan E, Müller, R Dietmar et al.2023 · 13 citationsProceedings of the National Academy of Sciences of the United States of America. 2023;120(29):e2221149120
A statistical model of stellar variability. I. FENRIR: a physics-based model of stellar activity, and its fast Gaussian process approximation2304.08489v1 · Nathan C. Hara, Jean-Baptiste Delisle2023 · 3 citationsA&A 696, A141 (2025)
Near-IR and optical radial velocities of the active M dwarf star Gl 388 (AD Leo) with SPIRou at CFHT and SOPHIE at OHP: A 2.23 day rotation period and no evidence for a corotating planet2303.16712v4 · A. Carmona, X. Delfosse, S. Bellotti (2 et al.2023 · 36 citationsA&A 674, A110 (2023)
A dense ring of the trans-Neptunian object Quaoar outside its Roche limit.36755175 · Morgado, B E, Sicardy, B, Braga-Ribas, F et al.2023 · 95 citationsNature. 2023;614(7947):239-243
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)
Radial-velocity discovery of a second planet in the TOI-1338/BEBOP-1 circumbinary system2301.10794v3 · Matthew R. Standing, Lalitha Sairam, David V. Martin et al.2023 · 65 citationsarXiv
DREAM I. Orbital architecture orrery2301.07727v1 · V. Bourrier, O. Attia, M. Mallonn et al.2023 · 77 citationsA&A 669, A63 (2023)
Two temperate Earth-mass planets orbiting the nearby star GJ10022212.07332v2 · A. Su'arez Mascareno, E. Gonz'alez-'Alvarez, M. R. Zapatero Osorio et al.2022 · 50 citationsarXiv
Characterization of the HD 108236 system with CHEOPS and TESS. Confirmation of a fifth transiting planet2210.08912v1 · S. Hoyer, A. Bonfanti, A. Leleu et al.2022 · 11 citationsA&A 668, A117 (2022)
HD 23472: A multi-planetary system with three super-Earths and two potential super-Mercuries2209.13345v1 · S. C. C. Barros O. D. S. Demangeon, Y. Alibert, A. Leleu et al.2022 · 39 citationsarXiv
A stellar occultation by the transneptunian object (50000) Quaoar observed by CHEOPS2208.06204v1 · B. E. Morgado, G. Bruno, A. R. Gomes-J'unior et al.2022 · 13 citationsA&A 664, L15 (2022)
A novel framework for semi-Bayesian radial velocities through template matching2205.00067v1 · A. M. Silva, J. P. Faria, N. C. Santos et al.2022 · 38 citationsA&A 663, A143 (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)
A continuous multiple hypothesis testing framework for optimal exoplanet detection2203.04957v4 · Nathan C. Hara, Thibault de Poyferr'e, Jean-Baptiste Delisle et al.2022 · 4 citationsAnn. Appl. Stat. 18(1): 749-769 (March 2024)
A candidate short-period sub-Earth orbiting Proxima Centauri2202.05188v1 · J. P. Faria, A. Su'arez Mascareno, P. Figueira et al.2022 · 132 citationsarXiv
Efficient modeling of correlated noise. III. Scalable methods for jointly modeling several observables' time series with Gaussian processes2201.02440v1 · J.-B. Delisle, N. Unger, N. C. Hara et al.2022 · 50 citationsA&A 659, A182 (2022)
BEBOP III. Observations and an independent mass measurement of Kepler-16 (AB) b -- the first circumbinary planet detected with radial velocities2112.06584v1 · Amaury H.M.J. Triaud, Matthew R. Standing, Neda Heidari et al.2021 · 34 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)
Warm terrestrial planet with half the mass of Venus transiting a nearby star2108.03323v1 · Olivier D. S. Demangeon, M. R. Zapatero Osorio, Y. Alibert et al.2021 · 107 citationsA&A 653, A41 (2021)
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)
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