activity
20092026
most citedA temperate rocky super-Earth transiting a nearby cool star

355 citations · 7.9k across the 267 of their papers we have counts for

collaborators
Showing 2024Show all

39 papers · 1 filter

astro-ph.EP2024★ 10 cited

Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS

N. Heidari, G. H'ebrard, E. Martioli +65

We present the study of seven systems, three of which TOI-2295, TOI-2537, and TOI-5110 are newly discovered planetary systems. Through the analysis of TESS photometry, SOPHIE radia…

astro-ph.EP2024★ 6 cited

Radii, masses, and transit-timing variations of the three-planet system orbiting the naked-eye star TOI-396

A. Bonfanti, I. Amateis, D. Gandolfi +38

TOI-396 is an F6V star () orbited by three transiting planets. The orbital periods of the two innermost planets are close to the 5:3 commensurability ( d…

astro-ph.EP2024★ 34 cited

A giant planet transiting a 3-Myr protostar with a misaligned disk

Madyson G. Barber, Andrew W. Mann, Andrew Vanderburg +35

Astronomers have found more than a dozen planets transiting 10-40 million year old stars, but even younger transiting planets have remained elusive. A possible reason for the lack…

astro-ph.EP2024

OrCAS: Origins, Compositions, and Atmospheres of Sub-neptunes. I. Survey Definition

Ian J. M. Crossfield, Alex S. Polanski, Paul Robertson +61

Sub-Neptunes - volatile-rich exoplanets smaller than Neptune - are intrinsically the most common type of planet known. However, the formation and nature of these objects, as well a…

astro-ph.EP2024

HD 119130 b is not an "ultra-dense" sub-Neptune

Joseph M. Akana Murphy, Rafael Luque, Natalie M. Batalha +13

We present a revised mass measurement for HD 119130 b (aka K2-292 b), a transiting planet ( days, ) orbiting a chro…

astro-ph.SR2024★ 7 cited

Hints of auroral and magnetospheric polarized radio emission from the scallop-shell star 2MASS J050827292101444

Simranpreet Kaur, Daniele Viganò, Víctor J. S. Béjar +18

Scallop-shell stars, a recently discovered class of young M dwarfs, show complex optical light curves that are characterized by periodic dips as well as other features that are sta…

astro-ph.EP2024

A Fourth Planet in the Kepler-51 System Revealed by Transit Timing Variations

Kento Masuda, Jessica E. Libby-Roberts, John H. Livingston +49

Kepler-51 is a -old Sun-like star hosting three transiting planets with radii - and orbital periods -$130\,\mathrm{day…

astro-ph.EP2024

Physical properties of trans-Neptunian object (143707) 2003 UY117 derived from stellar occultation and photometric observations

M. Kretlow, J. L. Ortiz, J. Desmars +49

Trans-Neptunian objects (TNOs) are considered to be among the most primitive objects in our Solar System. Knowledge of their primary physical properties is essential for understand…

astro-ph.EP2024★ 11 cited

TESS discovery of two super-Earths orbiting the M-dwarf stars TOI-6002 and TOI-5713 near the radius valley

M. Ghachoui, B. V. Rackham, M. Dévora-Pajares +45

We present the validation of two TESS super-Earth candidates transiting the mid-M dwarfs TOI-6002 and TOI-5713 every 10.90 and 10.44 days, respectively. The first star (TOI-6002) i…

astro-ph.EP2024★ 11 cited

Validation of up to seven TESS planet candidates through multi-colour transit photometry using MuSCAT2 data

A. Peláez-Torres, E. Esparza-Borges, E. Pallé +62

The TESS mission searches for transiting exoplanets by monitoring the brightness of hundreds of thousands of stars across the entire sky. M-type planet hosts are ideal targets for…

astro-ph.EP2024

TOI-2379 b and TOI-2384 b: two super-Jupiter mass planets transiting low-mass host stars

Edward M. Bryant, Daniel Bayliss, Joel D. Hartman +31

Short-period gas giant planets have been shown to be significantly rarer for host stars less massive than the Sun. We report the discovery of two transiting giant planets - TOI-237…

astro-ph.EP2024

Constraining atmospheric composition from the outflow: helium observations reveal the fundamental properties of two planets straddling the radius gap

Michael Zhang, Jacob L. Bean, David Wilson +13

TOI-836 is a ~2-3 Gyr K dwarf with an inner super Earth (, d) and an outer mini Neptune (, d). JWST/NIRSpec 2.8--5.2 m transmissi…

astro-ph.EP2024

Low abundances of TiO and VO on the Dayside of KELT-9 b: Insights from Ground-Based Photometric Observations

Yuya Hayashi, Norio Narita, Akihiko Fukui +21

We present ground-based photometric observations of secondary eclipses of the hottest known planet KELT-9b using MuSCAT2 and Sinistro. We detect secondary eclipse signals in an…

astro-ph.EP2024★ 3 cited

The GAPS Programme at TNG. LIX. A characterisation study of the 300 Myr old multi-planetary system orbiting the star BD+40 2790 (TOI-2076)

M. Damasso, D. Locci, S. Benatti +35

We collected more than 300 high-resolution spectra of the 300 Myr old star BD+40 2790 (TOI-2076) over ~3 years. This star hosts three transiting planets discovered by TESS, with or…

astro-ph.EP2024★ 40 cited

Obliquities of Exoplanet Host Stars: 19 New and Updated Measurements, and Trends in the Sample of 205 Measurements

Emil Knudstrup, Simon H. Albrecht, Joshua N. Winn +17

Measurements of the obliquities in exoplanet systems have revealed some remarkable architectures, some of which are very different from the Solar System. Nearly 200 obliquity measu…

astro-ph.EP2024

Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b

Ilaria Carleo, Oscar Barrágan, Carina M. Persson +67

Hot and warm Jupiters might have undergone the same formation and evolution path, but the two populations exhibit different distributions of orbital parameters, challenging our und…

astro-ph.EP2024

An Earth-sized Planet on the Verge of Tidal Disruption

Fei Dai, Andrew W. Howard, Samuel Halverson +95

TOI-6255~b (GJ 4256) is an Earth-sized planet (1.079 ) with an orbital period of only 5.7 hours. With the newly commissioned Keck Planet Finder (KPF) and CARMEN…

astro-ph.EP2024★ 23 cited

TOI-1408: Discovery and Photodynamical Modeling of a Small Inner Companion to a Hot Jupiter Revealed by TTVs

Judith Korth, Priyanka Chaturvedi, Hannu Parviainen +60

We report the discovery and characterization of a small planet, TOI-1408 c, on a 2.2-day orbit located interior to a previously known hot Jupiter, TOI-1408 b ( d, $M=1.86\p…

astro-ph.EP2024★ 2 cited

Climate Change in Hell: Long-Term Variation in Transits of the Evaporating Planet K2-22b

E. Gaidos, H. Parviainen, E. Esparza-Borges +9

Context: Rocky planets on ultra-short period orbits can have surface magma oceans and rock-vapour atmospheres in which dust can condense. Observations of that dust can inform about…

astro-ph.EP2024

Three short-period Earth-sized planets around M dwarfs discovered by TESS: TOI-5720b, TOI-6008b and TOI-6086b

K. Barkaoui, R. P. Schwarz, N. Narita +53

One of the main goals of the NASA's TESS (Transiting Exoplanet Survey Satellite) mission is the discovery of Earth-like planets around nearby M-dwarf stars. Here, we present the di…

astro-ph.EP2024★ 16 cited

Detection of an Earth-sized exoplanet orbiting the nearby ultracool dwarf star SPECULOOS-3

Michaël Gillon, Peter P. Pedersen, Benjamin V. Rackham +81

Located at the bottom of the main sequence, ultracool dwarf stars are widespread in the solar neighbourhood. Nevertheless, their extremely low luminosity has left their planetary p…

astro-ph.EP2024

HD 110067 c has an aligned orbit

J. Zak, H. M. J. Boffin, E. Sedaghati +25

Planetary systems in mean motion resonances hold a special place among the planetary population. They allow us to study planet formation in great detail as dissipative processes ar…

astro-ph.EP2024★ 22 cited

Gliese 12 b: A temperate Earth-sized planet at 12 pc ideal for atmospheric transmission spectroscopy

M. Kuzuhara, A. Fukui, J. H. Livingston +103

Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via follow-up spectroscopic observ…

astro-ph.EP2024

The Discovery and Follow-up of Four Transiting Short-period Sub-Neptunes Orbiting M dwarfs

Y. Hori, A. Fukui, T. Hirano +100

Sub-Neptunes with are intermediate in size between rocky planets and Neptune-sized planets. The orbital properties and bulk compositions of transiting sub-Neptunes pr…