activity
20102026
most citedThe PLATO 2.0 Mission

1.3k citations · 4.3k across the 169 of their papers we have counts for

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Showing 2023Show all

50 papers · 1 filter

astro-ph.EP2023

TOI-4641b: An Aligned Warm Jupiter Orbiting a Bright (V=7.5) Rapidly Rotating F-star

Allyson Bieryla, George Zhou, Juliana García-Mejía +25

We report the discovery of TOI-4641b, a warm Jupiter transiting a rapidly rotating F-type star with a stellar effective temperature of 6560 K. The planet has a radius of 0.73 $R_{J…

astro-ph.EP2023

The GAPS Programme at TNG L -- TOI-4515 b: An eccentric warm Jupiter orbiting a 1.2 Gyr-old G-star

I. Carleo, L. Malavolta, S. Desidera +68

Context. Different theories have been developed to explain the origins and properties of close-in giant planets, but none of them alone can explain all of the properties of the war…

astro-ph.EP2023★ 13 cited

Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey: III. Recovery and Confirmation of a Temperate, Mildly Eccentric, Single-Transit Jupiter Orbiting TOI-2010

Christopher R. Mann, Paul A. Dalba, David Lafrenière +48

Large-scale exoplanet surveys like the TESS mission are powerful tools for discovering large numbers of exoplanet candidates. Single-transit events are commonplace within the resul…

astro-ph.EP2023★ 11 cited

TESS Giants Transiting Giants V -- Two hot Jupiters orbiting red-giant hosts

Filipe Pereira, Samuel K. Grunblatt, Angelica Psaridi +24

In this work we present the discovery and confirmation of two hot Jupiters orbiting red-giant stars, TOI-4377 b and TOI-4551 b, observed by TESS in the southern ecliptic hemisphere…

astro-ph.EP2023

TOI-5126: A hot super-Neptune and warm Neptune pair discovered by and

Tyler R. Fairnington, Emma Nabbie, Chelsea X. Huang +33

We present the confirmation of a hot super-Neptune with an exterior Neptune companion orbiting a bright (V = 10.1 mag) F-dwarf identified by the $\textit{Transiting Exoplanet Surve…

astro-ph.SR2023

Verification of Gaia DR3 Single-lined Spectroscopic Binary Solutions With Three Transiting Low-mass Secondaries

Stephen P. Schmidt, Kevin C. Schlaufman, Keyi Ding +18

While secondary mass inferences based on single-lined spectroscopic binary (SB1) solutions are subject to degeneracies, this degeneracy can be lifted through the observat…

astro-ph.EP2023★ 3 cited

Separated twins or just siblings? A multi-planet system around an M dwarf including a cool sub-Neptune

Mallory Harris, Diana Dragomir, Ismael Mireles +27

We report the discovery of two TESS sub-Neptunes orbiting the early M dwarf TOI-904 (TIC 261257684). Both exoplanets, TOI-904 b and c, were initially observed in TESS Sector 12 wit…

astro-ph.EP2023

TOI-199 b: A well-characterized 100-day transiting warm giant planet with TTVs seen from Antarctica

Melissa J. Hobson, Trifon Trifonov, Thomas Henning +49

We present the spectroscopic confirmation and precise mass measurement of the warm giant planet TOI-199 b. This planet was first identified in TESS photometry and confirmed using g…

astro-ph.EP2023

TESS Spots a Super-Puff: The Remarkably Low Density of TOI-1420b

Stephanie Yoshida, Shreyas Vissapragada, David W. Latham +51

We present the discovery of TOI-1420b, an exceptionally low-density ( g cm) transiting planet in a day orbit around a late G dwarf star. Using tra…

astro-ph.EP2023★ 37 cited

A super-massive Neptune-sized planet

L. Naponiello, L. Mancini, A. Sozzetti +55

Neptune-sized planets exhibit a wide range of compositions and densities, depending onf cators related to their formation and evolution history, such as the distance from their hos…

astro-ph.EP2023★ 1 cited

Two mini-Neptunes Transiting the Adolescent K-star HIP 113103 Confirmed with TESS and CHEOPS

Nataliea Lowson, George Zhou, Chelsea X. Huang +31

We report the discovery of two mini-Neptunes in near 2:1 resonance orbits ( d for HIP 113103 b and d for HIP 113103 c) around the adolescent K-star HIP 11…

astro-ph.EP2023

TOI-4600 b and c: Two long-period giant planets orbiting an early K dwarf

Ismael Mireles, Diana Dragomir, Hugh P. Osborn +31

We report the discovery and validation of two long-period giant exoplanets orbiting the early K dwarf TOI-4600 (V=12.6, T=11.9), first detected using observations from the Transiti…

astro-ph.EP2023

TOI-332 b: a super dense Neptune found deep within the Neptunian desert

Ares Osborn, David J. Armstrong, Jorge Fernández Fernández +49

To date, thousands of planets have been discovered, but there are regions of the orbital parameter space that are still bare. An example is the short period and intermediate mass/r…

astro-ph.EP2023★ 12 cited

Refining the properties of the TOI-178 system with CHEOPS and TESS

L. Delrez, A. Leleu, A. Brandeker +84

The TOI-178 system consists of a nearby late K-dwarf transited by six planets in the super-Earth to mini-Neptune regime, with orbital periods between 1.9 and 20.7 days. All planets…

astro-ph.EP2023★ 1 cited

Identification of the Top TESS Objects of Interest for Atmospheric Characterization of Transiting Exoplanets with JWST

Benjamin J. Hord, Eliza M. -R. Kempton, Thomas Mikal-Evans +142

JWST has ushered in an era of unprecedented ability to characterize exoplanetary atmospheres. While there are over 5,000 confirmed planets, more than 4,000 TESS planet candidates a…

astro-ph.EP2023★ 2 cited

TOI-4860 b, a short-period giant planet transiting an M3.5 dwarf

J. M. Almenara, X. Bonfils, E. M. Bryant +47

We report the discovery and characterisation of a giant transiting planet orbiting a nearby M3.5V dwarf (d = 80.4 pc, = 15.1 mag, =11.2 mag, R = 0.358 0.015 R$…

astro-ph.EP2023★ 13 cited

TESS discovery of a super-Earth orbiting the M dwarf star TOI-1680

M. Ghachoui, A. Soubkiou, R. D. Wells +52

We report the discovery by the TESS mission of a super-Earth on a 4.8-d orbit around an inactive M4.5 dwarf (TOI-1680) validated by ground-based facilities. The host star is locate…

astro-ph.EP2023★ 34 cited

Company for the ultra-high density, ultra-short period sub-Earth GJ 367 b: discovery of two additional low-mass planets at 11.5 and 34 days

Elisa Goffo, Davide Gandolfi, Jo Ann Egger +38

GJ 367 is a bright (V 10.2) M1 V star that has been recently found to host a transiting ultra-short period sub-Earth on a 7.7 hr orbit. With the aim of improving the plan…

astro-ph.EP2023★ 1 cited

TOI 4201 b and TOI 5344 b: Discovery of Two Transiting Giant Planets Around M Dwarf Stars and Revised Parameters for Three Others

J. D. Hartman, G. Á. Bakos, Z. Csubry +62

We present the discovery from the TESS mission of two giant planets transiting M dwarf stars: TOI 4201 b and TOI 5344 b. We also provide precise radial velocity measurements and up…

astro-ph.EP2023★ 16 cited

A massive hot Jupiter orbiting a metal-rich early-M star discovered in the TESS full frame images

Tianjun Gan, Charles Cadieux, Farbod Jahandar +41

Observations and statistical studies have shown that giant planets are rare around M dwarfs compared with Sun-like stars. The formation mechanism of these extreme systems remains u…

astro-ph.EP2023

TOI-2084 b and TOI-4184 b: two new sub-Neptunes around M dwarf stars

K. Barkaoui, M. Timmermans, A. Soubkiou +67

We present the discovery and validation of two TESS exoplanets orbiting nearby M dwarfs: TOI-2084b, and TOI-4184b. We characterized the host stars by combining spectra from Shane/K…

astro-ph.EP2023★ 4 cited

A Transiting Super-Earth in the Radius Valley and An Outer Planet Candidate Around HD 307842

Xinyan Hua, Sharon Xuesong Wang, Johanna K. Teske +32

We report the confirmation of a TESS-discovered transiting super-Earth planet orbiting a mid-G star, HD 307842 (TOI-784). The planet has a period of 2.8 days, and the radial veloci…

astro-ph.EP2023★ 19 cited

TOI-4010: A System of Three Large Short-Period Planets With a Massive Long-Period Companion

Michelle Kunimoto, Andrew Vanderburg, Chelsea X. Huang +53

We report the confirmation of three exoplanets transiting TOI-4010 (TIC-352682207), a metal-rich K dwarf observed by TESS in Sectors 24, 25, 52, and 58. We confirm these planets wi…

astro-ph.EP2023★ 8 cited

Two sub-Neptunes around the M dwarf TOI-1470

E. González-Álvarez, M. R. Zapatero Osorio, J. A. Caballero +50

Aims. A transiting planet candidate with a sub-Neptune radius orbiting the nearby ( = 51.90.07 pc) M1.5 V star TOI-1470 with a period of 2.5 d was announced by the NA…