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

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Showing 2023Show all

35 papers · 1 filter

astro-ph.EP2023

The TESS-Keck Survey XVII: Precise Mass Measurements in a Young, High Multiplicity Transiting Planet System using Radial Velocities and Transit Timing Variations

Corey Beard, Paul Robertson, Fei Dai +41

We present a radial velocity (RV) analysis of TOI-1136, a bright TESS system with six confirmed transiting planets, and a seventh single-transiting planet candidate. All planets in…

astro-ph.EP2023

Characterising TOI-732 b and c: New insights into the M-dwarf radius and density valley

A. Bonfanti, M. Brady, T. G. Wilson +88

TOI-732 is an M dwarf hosting two transiting planets that are located on the two opposite sides of the radius valley. By doubling the number of available space-based observations a…

astro-ph.EP2023★ 64 cited

A resonant sextuplet of sub-Neptunes transiting the bright star HD 110067

R. Luque, H. P. Osborn, A. Leleu +149

Planets with radii between that of the Earth and Neptune (hereafter referred to as sub-Neptunes) are found in close-in orbits around more than half of all Sun-like stars. Yet, thei…

astro-ph.EP2023

Confirmation of TiO absorption and tentative detection of MgH and CrH in the atmosphere of HAT-P-41b

C. Jiang, G. Chen, F. Murgas +3

Understanding the role of optical absorbers is critical for linking the properties of the day-side and terminator atmospheres of hot Jupiters. This study aims to identify the signa…

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

Evidence for Low-Level Dynamical Excitation in Near-Resonant Exoplanet Systems

Malena Rice, Xian-Yu Wang, Songhu Wang +18

The geometries of near-resonant planetary systems offer a relatively pristine window into the initial conditions of exoplanet systems. Given that near-resonant systems have likely…

astro-ph.EP2023

VaTEST III: Validation of 8 Potential Super-Earths from TESS Data

Priyashkumar Mistry, Aniket Prasad, Mousam Maity +29

NASA's all-sky survey mission, the Transiting Exoplanet Survey Satellite (TESS), is specifically engineered to detect exoplanets that transit bright stars. Thus far, TESS has succe…

astro-ph.EP2023★ 15 cited

TOI-1801 b: A temperate mini-Neptune around a young M0.5 dwarf

M. Mallorquín, E. Goffo, E. Pallé +79

We report the discovery, mass, and radius determination of TOI-1801 b, a temperate mini-Neptune around a young M dwarf. TOI-1801 b was observed in TESS sectors 22 and 49, and the a…

astro-ph.EP2023★ 1 cited

Confirmation of a Sub-Saturn-size transiting exoplanet orbiting a G dwarf: TOI-1194 b and a very low mass companion star: TOI-1251 B from TESS

Jia-Qi Wang, Xiao-Jun Jiang, Jie Zheng +18

We report the confirmation of a sub-Saturn-size exoplanet, TOI-1194 b with a mass about , and a very low mass companion star with a mass of about $…

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.EP2023★ 11 cited

Planetary companions orbiting the M dwarfs GJ 724 and GJ 3988. A CARMENES and IRD collaboration

P. Gorrini, J. Kemmer, S. Dreizler +36

We report the discovery of two exoplanets around the M dwarfs GJ 724 and GJ 3988 using the radial velocity (RV) method. We obtained a total of 153 3.5 m Calar Alto/CARMENES spectra…

astro-ph.EP2023

TOI-544 b: a potential water-world inside the radius valley in a two-planet system

H. L. M. Osborne, V. Van Eylen, E. Goffo +32

We report on the precise radial velocity follow-up of TOI-544 (HD 290498), a bright K star (V=10.8), which hosts a small transiting planet recently discovered by the Transiting Exo…

astro-ph.EP2023★ 8 cited

Dynamical Architectures of S-type Transiting Planets in Binaries I: Target Selection using Hipparcos and Gaia proper motion anomalies

Jingwen Zhang, Lauren M. Weiss, Daniel Huber +16

The effect of stellar multiplicity on planetary architecture and orbital dynamics provides an important context for exoplanet demographics. We present a volume-limited catalog up t…

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★ 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★ 23 cited

Confirmation of an He I evaporating atmosphere around the 650-Myr-old sub-Neptune HD235088 b (TOI-1430 b) with CARMENES

J. Orell-Miquel, M. Lampón, M. López-Puertas +31

HD235088 (TOI-1430) is a young star known to host a sub-Neptune-sized planet candidate. We validated the planetary nature of HD235088 b with multiband photometry, refined its plane…

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★ 18 cited

The GAPS program at TNG XLVII: The unusual formation history of V1298 Tau

D. Turrini, F. Marzari, D. Polychroni +33

Observational data from space and ground-based campaigns reveal that the 10-30 Ma old V1298 Tau star hosts a compact and massive system of four planets. Mass estimates for the two…

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

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★ 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…

astro-ph.EP2023★ 17 cited

A Mini-Neptune Orbiting the Metal-poor K Dwarf BD+29 2654

Fei Dai, Kevin C. Schlaufman, Henrique Reggiani +48

We report the discovery and Doppler mass measurement of a 7.4-day 2.3- mini-Neptune around a metal-poor K dwarf BD+29 2654 (TOI-2018). Based on a high-resolution Keck/HIR…

astro-ph.EP2023★ 23 cited

Two Warm Neptunes transiting HIP 9618 revealed by TESS & Cheops

Hugh P. Osborn, Grzegorz Nowak, Guillaume Hébrard +126

HIP 9618 (HD 12572, TOI-1471, TIC 306263608) is a bright ( mag) solar analogue. TESS photometry revealed the star to have two candidate planets with radii of …