JM
J. R. de Medeiros
astro-ph.SRastro-ph.EPastro-ph.GAastro-phastro-ph.IMastro-ph.HEcond-mat.stat-mechastro-ph.COphysics.data-anphysics.space-ph
On Valency
published · living versionsW_n8zykk77·v1 · currentpublished
Orbital Parameters for 65 Wide Binary Systems: no evidence for gravitational anomaly at low acceleration
with L. Pasquini, R. Saglia, F. Patat, L. Berni +6
1 version
W_xe3uhp39·v1published
Preprints & journals
125 papers in the corpus · 2001–2026A temperate sub-Neptune transiting the M4 Dwarf TOI-210 identified by NIRPS and TESS -- Uncovering hidden M-dwarf planetary systems in the near-infrared2609.35747v1 · C. Cadieux, B. N. Skinner, F. Bouchy et al.2026 · 0 citationsarXiv
Upside down: GJ3090 b the first retrograde exoplanet around an M dwarf detected with NIRPS2609.24870v1 · Y. Carteret, V. Bourrier, L. Parc et al.2026 · 0 citationsA&A, Volume 713, September 2026, L15
Night-sky emission correction techniques for high-resolution spectroscopy: Demonstration with NIRPS2609.03374v1 · Avidaan Srivastava, Francois Bouchy, Xavier Dumusque et al.2026 · 0 citationsarXiv
Radial velocity detection of the TRAPPIST-1 planetary system with SPIRou and NIRPS2609.03006v1 · Alexandrine L'Heureux, Ren'e Doyon, Charles Cadieux et al.2026 · 0 citationsarXiv
The breaking of cold traps and onset of titanium in ultra-hot Jupiter atmospheres: WASP-189b in context2606.15934v1 · Stefan Pelletier, Romain Allart, Valentina Vaulato et al.2026 · 0 citationsA&A, 711, A119 (2026)
Super-Earth masses and stellar abundances from NIRPS reveal tentative evidence for water-rich formation around M dwarfs2604.07447v1 · Drew Weisserman, Nicole Gromek, Ryan Cloutier et al.2026 · 4 citationsA&A 709, A165 (2026)
TOI-4552 b: A new ultra-short period rocky world revealed by NIRPS and TESS2603.18233v1 · Avidaan Srivastava, Ren'e Doyon, Francois Bouchy et al.2026 · 1 citationA&A 709, A73 (2026)
Confirmation of the hot super-Neptune TOI-672 b with NIRPS and HARPS and Insights into the Neptunian desert around M dwarfs2603.12345v1 · Ares Osborn, Ryan Cloutier, Vincent Bourrier et al.2026 · 1 citationA&A 709, A23 (2026)
TOI-1080 b: a temperate, rocky planet orbiting a quiet M4V host2603.00385v1 · Y. G'omez Maqueo Chew, G. Dransfield, K. Barkaoui et al.2026 · 0 citationsarXiv
Wide binaries without viable bound Newtonian orbits2602.04661v1 · L. Pasquini, R. Saglia, F. Patat 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
NIRPS tightens the mass estimate of GJ 3090 b and detects a planet near the stellar rotation period2601.09330v2 · Pierrot Lamontagne, Drew Weisserman, Charles Cadieux et al.2026 · 1 citationA&A, 706 (2026) A278
NIRPS and TESS reveal a peculiar system around the M dwarf TOI-756: A transiting sub-Neptune and a cold eccentric giant2510.14927v1 · L'ena Parc, Francois Bouchy, Neil J. Cook et al.2025 · 5 citationsA&A, 702, A138 (2025)
TOI-3288 b and TOI-4666 b: two gas giants transiting low-mass stars characterised by NIRPS2510.11703v2 · Yolanda G. C. Frensch, Francois Bouchy, Gaspare Lo Curto et al.2025 · 5 citationsarXiv
Recovering Signals in CoRoT Mission (RSCoRoT): I. Short Period Variable Stars2508.21665v1 · C. E. Ferreira Lopes, A. Papageorgiou, B. L. Canto Martins et al.2025 · 0 citationsA&A 703, A32 (2025)
Atmospheric composition and circulation of the ultra-hot Jupiter WASP-121b with joint NIRPS, HARPS and CRIRES+ transit spectroscopy2509.00151v1 · Valentina Vaulato, Melissa J. Hobson, Romain Allart et al.2025 · 3 citationsarXiv
Quantifying thermal water dissociation in the dayside photosphere of WASP-121 b using NIRPS2508.06626v1 · Luc Bazinet, Romain Allart, Bjorn Benneke et al.2025 · 4 citationsA&A 701, A276 (2025)
Diving into the planetary system of Proxima with NIRPS -- Breaking the metre per second barrier in the infrared2507.21751v1 · Alejandro Su'arez Mascareno, 'Etienne Artigau, Lucile Mignon et al.2025 · 12 citations2025, A&A, 700, A11
NIRPS joining HARPS at ESO 3.6 m. On-sky performance and science objectives2507.21767v1 · Francois Bouchy, Rene Doyon, Francesco Pepe et al.2025 · 30 citationsA&A, 700, A10 (2025)
Hydride ion continuum hides absorption signatures in the NIRPS near-infrared transmission spectrum of the ultra-hot gas giant WASP-189b2507.21229v1 · Valentina Vaulato, Stefan Pelletier, David Ehrenreich et al.2025 · 9 citationsarXiv
Blind search for activity-sensitive lines in the near-infrared using HARPS and NIRPS observations of Proxima and Gl 5812507.21262v1 · Joao Gomes da Silva, Elisa Delgado-Mena, Nuno C. Santos et al.2025 · 4 citationsarXiv
NIRPS detection of delayed atmospheric escape from the warm and misaligned Saturn-mass exoplanet WASP-69b2507.21284v1 · Romain Allart, Yann Carteret, Vincent Bourrier et al.2025 · 7 citationsarXiv
Testing gravity with wide binaries -- 3D velocities and distances of wide binaries from Gaia and HARPS2506.05049v1 · R. Saglia, L. Pasquini, F. Patat et al.2025 · 6 citationsA&A 699, A151 (2025)
Radii, masses, and transit-timing variations of the three-planet system orbiting the naked-eye star TOI-3962411.14911v2 · A. Bonfanti, I. Amateis, D. Gandolfi et al.2024 · 7 citationsA&A 693, A90 (2025)
Multifractality Signatures in Lensed Quasars2411.02076v1 · Rhimon A. Assis Souza, Asnakew Bewketu Belete, Bruno L. Canto Martins et al.2024 · 2 citationsarXiv
ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments2407.14601v1 · A. Marconi, M. Abreu, V. Adibekyan et al.2024 · 19 citationsarXiv
NIRPS first light and early science: breaking the 1 m/s RV precision barrier at infrared wavelengths2406.08304v2 · 'Etienne Artigau, Francois Bouchy, Ren'e Doyon et al.2024 · 0 citationsarXiv
A portrait of the rotation of Ultra-Cool Dwarfs revealed by TESS2406.07154v1 · D. O. Fontinele, P. D. S. de Lima, Y. S. Messias et al.2024 · 4 citationsarXiv
The PLATO Mission2406.05447v2 · Heike Rauer, Conny Aerts, Juan Cabrera et al.2024 · 13 citationsarXiv
Search for giant planets in M67 V: a warm Jupiter orbiting the turn-off star S14292403.02911v1 · Luis Thomas, Roberto Saglia, Luca Pasquini et al.2024 · 1 citationA&A 686, A19 (2024)
Pulsation in TESS Objects of Interest2402.15935v1 · R. L. Gomes, B. L. Canto Martins, D. O. Fontinele et al.2024 · 3 citationsThe Astrophysical Journal, Volume 961, Issue 1, id.55, 12 pp. The Astrophysical Journal, Volume 961 (2024),
The discovery space of ELT-ANDES. Stars and stellar populations2311.16320v1 · Ian U. Roederer, Juli'an D. Alvarado-G'omez, Carlos Allende Prieto et al.2023 · 6 citationsarXiv
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
On the behaviour of spin-orbit connection of exoplanets2305.14455v2 · Bruno L. Canto Martins, Yuri S. Messias, Maria I. Arruda Goncalves et al.2023 · 4 citationsarXiv
Accurate mass-radius ratios for Hyades white dwarfs2304.10485v1 · L. Pasquini, A.F. Pala, M. Salaris et al.2023 · 9 citationsarXiv
A dearth of close-in planets around rapidly rotating stars or a dearth of data?2205.04893v2 · Y. S. Messias, L. L. A. de Oliveira, R. L. Gomes et al.2022 · 9 citationsarXiv
Rotation signature of TESS B-type stars. A comprehensive analysis2202.01022v1 · L. F. Barraza, R. L. Gomes, Y. S. Messias et al.2022 · 11 citations2022, ApJ, 924, 117B
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
Molecular gas kinematics in the nuclear region of nearby Seyfert galaxies with ALMA2105.06867v1 · A. Bewketu Belete, P. Andreani, J. A. Fern'andez-Ontiveros et al.2021 · 16 citationsA&A 654, A24 (2021)
TOI-220 : a warm sub-Neptune discovered by TESS2105.01944v1 · S. Hoyer, D. Gandolfi, D.J. Armstrong et al.2021 · 16 citationsarXiv
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
HIRES, the high-resolution spectrograph for the ELT2011.12317v1 · Alessandro Marconi, Manuel Abreu, Vardan Adibekyan et al.2020 · 23 citationsarXiv
Measuring and characterizing the line profile of HARPS with a laser frequency comb2011.03391v1 · Fei Zhao, G. Lo Curto, L. Pasquini et al.2020 · 18 citationsA&A 645, A23 (2021)
A search for rotation periods in 1000 TESS objects of interest2007.03079v3 · Bruno L. Canto Martins, Roseane L. Gomes, Yuri S. Messias et al.2020 · 76 citationsarXiv
The VVV Infrared Variability Catalog (VIVA-I)2005.05404v1 · C. E. Ferreira Lopes, N. J. G. Cross, M. Catelan et al.2020 · 18 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 crucial test for astronomical spectrograph calibration with frequency combs2002.08868v1 · Rafael A. Probst, Dinko Milakovi'c, Borja Toledo-Padr'on et al.2020 · 62 citationsNature Astronomy (2020)
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)
Multifractal signatures of gravitational waves detected by LIGO1912.12967v1 · Daniel B. de Freitas, Mackson M. F. Nepomuceno, J. R. De Medeiros2019 · 6 citationsarXiv
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