activity
20222026
most citedThree super-Earths and a possible water world from TESS and ESPRESSO

16 citations · 151 across the 45 of their papers we have counts for

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Showing astro-ph.EPShow all

46 papers · 1 filter

astro-ph.EP2026

A temperate sub-Neptune transiting the M4 Dwarf TOI-210 identified by NIRPS and TESS -- Uncovering hidden M-dwarf planetary systems in the near-infrared

C. Cadieux, B. N. Skinner, F. Bouchy +63

Super-Earths and sub-Neptunes dominate the exoplanet population, yet their compositions, formation mechanisms, and capability of retaining atmospheres remain poorly understood. M-t…

astro-ph.EP2026

The GAPS programme at TNG: LXXVI. TOI-1533: a compact system hosting a super-Neptune-mass pair with disparate radii

G. Mantovan, V. Nascimbeni, S. Desidera +49

The present-day architecture of planetary systems contains information about their formation and migration histories. The origin of hot Jupiters (HJs, P 10 d, $R_{\rm p}…

astro-ph.EP2026

Observing a 542-day transiting giant with large TTVs: The 2025 transit of HIP 41378 f and new constraints on the outer system

Pietro Leonardi, Alexandre Santerne, Luca Borsato +27

Characterizing long-period transiting exoplanets is inherently challenging due to the rarity and long duration of transit events. Yet, these systems provide unique insights into pl…

astro-ph.EP2026

Stellar Obliquities of Young Systems, Atmospheres Undergoing Contraction and Escape (SOYSAUCE) II: a 135 Myr planet on an aligned orbit with transit timing variations

Madyson G. Barber, Andrew W. Mann, Sydney Vach +16

Young planets (<1 Gyr) provide opportunities to directly probe planet formation and evolution processes in action. However, due to heightened stellar activity, there is a lack of k…

astro-ph.EP2026

TOI-2147 b and TOI-6019 b: Two eccentric warm Jupiters detected and characterized with TESS and MaHPS

Luis Thomas, Louise D. Nielsen, Hanna Kellermann +36

The population of Jupiter-sized exoplanets with orbital periods between 10 and 200 days (WJs) exhibits a broad range of orbital eccentricities and system architectures, suggesting…

astro-ph.EP2026

TOI-159 b: an eccentric hot-Jupiter planet around a young, pulsating Doradus star

G. Mantovan, A. Llancaqueo Albornoz, A. Psaridi +16

Fast-rotating hot stars are challenging targets for exoplanet searches due to rotational broadening and stellar variability. Moreover, hot stars often exhibit pulsations, an additi…

astro-ph.EP2026

RV and TTV Measurements of Two Transiting Long-Period Giants around TOI-4600

Tong Hu, Zitao Lin, Sharon X. Wang +27

TOI-4600b and c, originally identified by the Transiting Exoplanet Survey Satellite (TESS) and reported by I. Mireles et al. (2023), are a rare pair of transiting long-period giant…

astro-ph.EP2026★ 1 cited

TOI-4552 b: A new ultra-short period rocky world revealed by NIRPS and TESS

Avidaan Srivastava, René Doyon, François Bouchy +57

A particularly intriguing subclass of rocky exoplanets are the ultra-short period (USP) worlds that orbit their host stars in less than a day. These planets are particularly rare a…

astro-ph.EP2026★ 1 cited

Confirmation of the hot super-Neptune TOI-672 b with NIRPS and HARPS and Insights into the Neptunian desert around M dwarfs

Ares Osborn, Ryan Cloutier, Vincent Bourrier +65

The Neptunian desert is a distinct lack of Neptune-sized planets at short orbital periods, purportedly carved by photoevaporation and tidal circularization following high-eccentric…

astro-ph.EP2026

PLATOSpec's first results: Three new transiting warm Jupiters from the WINE survey TIC 147027702, TIC 245076932 and TIC 87422071

Pavol Gajdoš, Rafael Brahm, Lorena Acuña-Aguirre +33

We report the discovery and characterisation of three transiting warm Jupiters: TIC 147027702b, TIC 245076932b and TIC 87422071b. These systems were initially identified as transit…

astro-ph.EP2026

The GAPS Programme at the TNG: LXX. TOI-5734b: A hot sub-Neptune orbiting a relatively young K dwarf with an Earth-like density

S. Filomeno, T. Trifonov, M. Damasso +40

Increasing interest in young exoplanets is leading to a growing effort to understand the formation and evolutionary processes responsible for their different architectures. One int…

astro-ph.EP2026★ 1 cited

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 candidate

Léna Parc, Charles Cadieux, Nolan Grieves +27

We present the characterization of two planetary systems orbiting the M dwarfs TOI-4336 A (M3.5V) and TOI-4342 (M0V), each hosting two transiting planets previously validated with…

astro-ph.EP2026

Hidden Gems in TESS: sherlock finds two new rocky planets around nearby M dwarfs

M. Timmermans, M. Dévora-Pajares, F. J. Pozuelos +25

The Hidden Gems project searches the TESS data for additional planets transiting low-mass stars in confirmed systems. Our goal is to identify planet candidates that are below the d…

astro-ph.EP2025★ 3 cited

MANGOS II: Five new giant planets orbiting low-mass stars

G. Dransfield, M. Timmermans, D. Sebastian +47

Giant planets orbiting low-mass stars on short orbits present a conundrum, as in the most extreme cases their existence cannot be reconciled with current models of core accretion.…

astro-ph.EP2025★ 4 cited

TOI-3288 b and TOI-4666 b: two gas giants transiting low-mass stars characterised by NIRPS

Yolanda G. C. Frensch, François Bouchy, Gaspare Lo Curto +62

Gas giant planets orbiting low-mass stars are uncommon outcomes of planet formation. Increasing the sample of well-characterised giants around early M dwarfs will enable population…

astro-ph.EP2025

A planetary system with a sub-Neptune planet in the habitable zone of TOI-2093

J. Sanz-Forcada, E. González-Álvarez, M. R. Zapatero Osorio +33

Aims. We aim to confirm and measure the mass of the transiting planet candidate around the K5V star TOI-2093, previously announced by the Transiting Exoplanet Survey Satellite (TES…

astro-ph.EP2025

A transiting hot Jupiter with two outer siblings orbiting an intermediate-mass post main-sequence star

Y. Reinarz, M. I. Jones, R. Brahm +15

Exoplanetary systems with multiple giant planets present an opportunity to understand planet formation, migration processes, and long-term system-wide dynamical interactions. In pa…

astro-ph.EP2025★ 3 cited

Detection and characterisation of a 106-day transiting Jupiter : TOI-2449 b / NGTS-36 b

S. Ulmer-Moll, S. Gill, R. Brahm +64

Only a handful of transiting giant exoplanets with orbital periods longer than 100 days are known. These warm exoplanets are valuable objects as their radius and mass can be measur…

astro-ph.EP2025★ 8 cited

Two warm Earth-sized exoplanets and an Earth-sized candidate in the M5V-M6V binary system TOI-2267

S. Zúñiga-Fernández, F. J. Pozuelos, M. Dévora-Pajares +63

We report two warm Earth-sized exoplanets orbiting the close binary TOI-2267 (M5+M6, separation ~8 au). Data from TESS and ground-based facilities confirm the planets, but we canno…

astro-ph.EP2025★ 3 cited

TOI-1743 b, TOI-5799 b, TOI-5799 c and TOI-6223 b: TESS discovery and validation of four super-Earth to Neptune-sized planets around M dwarfs

S. Yalçınkaya, K. Barkaoui, Ö. Baştürk +62

We present the discovery by the TESS mission of one transiting Neptune-sized planet, TOI-6223 b and two transiting super-Earths, TOI-1743 b and TOI-5799 b. We validate these planet…

astro-ph.EP2025

Sibling Sub-Neptunes Around Sibling M Dwarfs: TOI-521 and TOI-912

G. Lacedelli, E. Pallé, R. Luque +47

Sub-Neptunes are absent in the Solar System, yet they are commonly found in our Galaxy. They challenge the internal structure models and prompt investigation on their formation, ev…

astro-ph.EP2025★ 3 cited

TOI-2322: two transiting rocky planets close to the stellar rotation period and its first harmonic

M. J. Hobson, A. Suárez Mascareño, C. Lovis +42

Context. Active regions on the stellar surface can induce quasi-periodic radial velocity (RV) variations that can mimic planets and mask true planetary signals. These spurious sign…

astro-ph.EP2025

The Hot Neptune Initiative (HONEI) II. TOI-5795 b: A hot super-Neptune orbiting a metal-poor star

F. Manni, L. Naponiello, L. Mancini +31

The formation of Neptune planets with orbital periods less than 10\,days remains uncertain. They might have developed similarly to longer-period counterparts, emerged from rare col…

astro-ph.EP2025

TOI-2407 b: a warm Neptune in the desert

C. Janó Muñoz, M. J. Hooton, P. P. Pedersen +22

We present the validation of TOI-2407 b, a warm Neptune-sized planet with a radius of 4.26 0.26 R, orbiting an early M-type star with a period of 2.7 days and an equ…