activity
20182026
most citedA planet within the debris disk around the pre-main-sequence star AU Microscopii

242 citations · 1.1k across the 29 of their papers we have counts for

collaborators

29 papers

astro-ph.EP2026

The Pan-Pacific Planet Search -- IX. A menagerie of companions orbiting evolved stars

Robert A. Wittenmyer, Alexander Venner, Tyler Fairnington +22

We present resolutions as to the nature of six speculative candidate companions proposed in the final data release of the Pan-Pacific Planet Search, a 6-year radial-velocity survey…

astro-ph.EP2024

HD 21520 b: a warm sub-Neptune transiting a bright G dwarf

Molly Nies, Ismael Mireles, François Bouchy +49

We report the discovery and validation of HD 21520 b, a transiting planet found with TESS and orbiting a bright G dwarf (V=9.2, K, $R_{\star} = 1.04\pm 0.02…

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.EP2022★ 10 cited

Spinning up a Daze: TESS Uncovers a Hot Jupiter orbiting the Rapid-Rotator TOI-778

Jake Clark, Brett Addison, Jack Okumura +68

NASA's Transiting Exoplanet Survey Satellite (TESS) mission, has been uncovering a growing number of exoplanets orbiting nearby, bright stars. Most exoplanets that have been discov…

astro-ph.EP2022★ 3 cited

A sub-Neptune transiting the young field star HD 18599 at 40 pc

Jerome P. de Leon, John H. Livingston, James S. Jenkins +67

Transiting exoplanets orbiting young nearby stars are ideal laboratories for testing theories of planet formation and evolution. However, to date only a handful of stars with age <…

astro-ph.EP2022★ 13 cited

A dense mini-Neptune orbiting the bright young star HD 18599

Jose I. Vines, James S. Jenkins, Zaira Berdiñas +23

Very little is known about the young planet population because the detection of small planets orbiting young stars is obscured by the effects of stellar activity and fast rotation…

astro-ph.EP2022★ 27 cited

Another Shipment of Six Short-Period Giant Planets from TESS

Joseph E. Rodriguez, Samuel N. Quinn, Andrew Vanderburg +119

We present the discovery and characterization of six short-period, transiting giant planets from NASA's Transiting Exoplanet Survey Satellite (TESS) -- TOI-1811 (TIC 376524552), TO…

astro-ph.EP2022★ 27 cited

A Mini-Neptune from TESS and CHEOPS Around the 120 Myr Old AB Dor member HIP 94235

George Zhou, Christopher P. Wirth, Chelsea X. Huang +36

The TESS mission has enabled discoveries of the brightest transiting planet systems around young stars. These systems are the benchmarks for testing theories of planetary evolution…

astro-ph.EP2022★ 9 cited

HD 83443c: A highly eccentric giant planet on a 22-year orbit

Adriana Errico, Robert A. Wittenmyer, Jonathan Horner +19

We report the discovery of a highly eccentric long-period Jovian planet orbiting the hot-Jupiter host HD\,83443. By combining radial velocity data from four instruments (AAT/UCLES,…

cs.NI2021★ 4 cited

Study on the Data Processing of the IOT Sensor Network Based on Hadoop Cloud Platform and TWLGA Scheduling Algorithm

Guoyu Li, Kang Yang

The Internet of Things (IOT) sensor network is an effective solution for monitoring environment condition. IOT sensor network generates massive data, and the abilities of massive d…

astro-ph.EP2021★ 1 cited

TOI 560 : Two Transiting Planets Orbiting a K Dwarf Validated with iSHELL, PFS and HIRES RVs

Mohammed El Mufti, Peter P. Plavchan, Howard Isaacson +92

We validate the presence of a two-planet system orbiting the 0.15--1.4 Gyr K4 dwarf TOI 560 (HD 73583). The system consists of an inner moderately eccentric transiting mini-Neptune…

astro-ph.EP2021★ 1 cited

TOI-3362b: A Proto-Hot Jupiter Undergoing High-Eccentricity Tidal Migration

Jiayin Dong, Chelsea X. Huang, George Zhou +39

High-eccentricity tidal migration is a possible way for giant planets to be emplaced in short-period orbits. If it commonly operates, one would expect to catch proto-Hot Jupiters o…

astro-ph.EP2021★ 45 cited

TOI-431/HIP 26013: a super-Earth and a sub-Neptune transiting a bright, early K dwarf, with a third RV planet

Ares Osborn, David J. Armstrong, Bryson Cale +125

We present the bright (V), multi-planet system TOI-431, characterised with photometry and radial velocities. We estimate the stellar rotation period to be $30.5 \pm…

astro-ph.EP2021★ 8 cited

HD 183579b: A Warm Sub-Neptune Transiting a Solar Twin Detected by TESS

Tianjun Gan, Megan Bedell, Sharon Xuesong Wang +48

We report the discovery and characterization of a transiting warm sub-Neptune planet around the nearby bright ( mag, mag) solar twin HD 183579, delivered by the Tr…

astro-ph.SR2021★ 13 cited

The Surface Magnetic Activity of the Weak-Line T Tauri Stars TWA 7 and TWA 25

B. A. Nicholson, G. Hussain, J. -F. Donati +6

We present an analysis of spectropolarimetric observations of the low-mass weak-line T Tauri stars TWA 25 and TWA 7. The large-scale surface magnetic fields have been reconstructed…

astro-ph.EP2021★ 47 cited

A transiting warm giant planet around the young active star TOI-201

Melissa J. Hobson, Rafael Brahm, Andres Jordán +44

We present the confirmation of the eccentric warm giant planet TOI-201 b, first identified as a candidate in \textit{TESS} photometry (Sectors 1-8, 10-13, and 27-28) and confirmed…

astro-ph.EP2021★ 41 cited

TESS Delivers Five New Hot Giant Planets Orbiting Bright Stars from the Full Frame Images

Joseph E. Rodriguez, Samuel N. Quinn, George Zhou +115

We present the discovery and characterization of five hot and warm Jupiters -- TOI-628 b (TIC 281408474; HD 288842), TOI-640 b (TIC 147977348), TOI-1333 b (TIC 395171208, BD+47 352…

astro-ph.EP2020★ 14 cited

TOI-954 b and K2-329 b: Short-Period Saturn-Mass Planets that Test whether Irradiation Leads to Inflation

Lizhou Sha, Chelsea X. Huang, Avi Shporer +70

We report the discovery of two short-period Saturn-mass planets, one transiting the G subgiant TOI-954 (TIC 44792534, , ) observed in TESS sectors 4 and 5…

astro-ph.EP2020★ 44 cited

TOI-481 b & TOI-892 b: Two long period hot Jupiters from the Transiting Exoplanet Survey Satellite

Rafael Brahm, Louise D. Nielsen, Robert A. Wittenmyer +75

We present the discovery of two new 10-day period giant planets from the Transiting Exoplanet Survey Satellite () mission, whose masses were precisely determined using a wide…

astro-ph.EP2020★ 242 cited

A planet within the debris disk around the pre-main-sequence star AU Microscopii

Peter Plavchan, Thomas Barclay, Jonathan Gagné +84

AU Microscopii (AU Mic) is the second closest pre main sequence star, at a distance of 9.79 parsecs and with an age of 22 million years. AU Mic possesses a relatively rare and spat…

astro-ph.EP2020

AU Mic b is the Youngest Planet to have a Spin-Orbit Alignment Measurement

Brett C. Addison, Jonathan Horner, Robert A. Wittenmyer +20

We report measurements of the sky-projected spin-orbit angle for AU\,Mic\,b, a Neptune-size planet orbiting a very young (\,Myr) nearby pre-main sequence M dwarf star which…

astro-ph.EP2020★ 51 cited

TOI-257b (HD 19916b): A Warm sub-Saturn Orbiting an Evolved F-type Star

Brett C. Addison, Duncan J. Wright, Belinda A. Nicholson +91

We report the discovery of a warm sub-Saturn, TOI-257b (HD 19916b), based on data from NASA's Transiting Exoplanet Survey Satellite (TESS). The transit signal was detected by TESS…

astro-ph.EP2019★ 38 cited

KELT-25b and KELT-26b: A Hot Jupiter and a Substellar Companion Transiting Young A-stars Observed by TESS

Romy Rodríguez Martínez, B. Scott Gaudi, Joseph E. Rodriguez +89

We present the discoveries of KELT-25b (TIC 65412605, TOI-626.01) and KELT-26b (TIC 160708862, TOI-1337.01), two transiting companions orbiting relatively bright, early A-stars. Th…

astro-ph.EP2019★ 56 cited

TOI-677 b: A Warm Jupiter (P=11.2d) on an eccentric orbit transiting a late F-type star

Andrés Jordán, Rafael Brahm, Néstor Espinoza +46

We report the discovery of TOI-677 b, first identified as a candidate in light curves obtained within Sectors 9 and 10 of the Transiting Exoplanet Survey Satellite (TESS) mission a…