Planetary-Mass Exosatellite Detected Around the Substellar Companion of a Star
Kevin Hoy, Alice Zurlo, Pablo A. Peña R., Jana Köhler, Silvano Desidera, Raffaele Gratton, Cecilia Lazzoni, Simon Petrus, Florian Rodler, Jonathan Smoker, Valentina D'Orazi, Ilaria Carleo, Ilaria Giovannini
astro-ph.EP, astro-ph.SR
Submitted: 2026-07-06
Comments: 27 pages, 9 figures. Work accepted in Nature, this is the initial version submitted to them before peer review. Please see the final version published in Nature in the coming weeks before reaching specific conclusions about this work or reporting on it to the public/media
DOI: 10.1038/s41586-026-10751-w
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Terminology
Sources
- The Gemini NICI Planet-Finding Campaign : Discovery of a Substellar L Dwarf Companion to the Nearby Young M Dwarf CD-35 2722
- Implications of the discovery of AF Lep b: The mass-luminosity relation for planets in the $\beta$ Pic Moving Group and the L-T transition for young companions and free-floating planets
- Detectability of satellites around directly imaged exoplanets and brown dwarfs
- CRIRES$^{+}$ on sky at the ESO Very Large Telescope
- RV measurements of directly imaged brown dwarf GQ Lup B to search for exo-satellites
- First Doppler Limits on Binary Planets and Exomoons in the HR 8799 System
- viper: High-precision radial velocities from the optical to the infrared (Reaching 3 m/s in the K band of CRIRES+ with telluric modelling)
- Precise Radial Velocities
- EMPEROR I. Exoplanet MCMC parallel tempering for RV orbit retrieval
- How eccentric orbital solutions can hide planetary systems in 2:1 resonant orbits
- Truly eccentric. I. Revisiting eight single-eccentric planetary systems
- New evolutionary models for pre-main sequence and main sequence low-mass stars down to the hydrogen-burning limit
- Let the Great World Spin: Revealing the Stormy, Turbulent Nature of Young Giant Exoplanet Analogs with the Spitzer Space Telescope
- A Search for Photometric Rotation Periods in Low-Mass Stars and Brown Dwarfs in the Pleiades
- Characterizing and Mitigating Telluric Absorption in Precise Radial Velocities II: A Study of an M2 Type Star
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