activity
20002026
most citedNucleosynthetic signatures of the first stars

566 citations · 4.3k across the 54 of their papers we have counts for

collaborators

55 papers

astro-ph.SR2026

A New Analysis Tool for Radial Pulsations

Hiroyasu Ando

Wave-energy relation is introduced as a new analysis tool for linear radial pulsations. Wave energy consists of kinetic energy, acoustic-potential energy, dynamical-potential energ…

astro-ph.SR2026

Unraveling Year-Long Radial Velocity Variations in Red Clump Region -- I: Comprehensive analysis of a K0 Giant star, 2 Draconis

Udomlerd Srisuchinwong, Jianzhao Zhou, Huan-Yu Teng +18

Slow-rotating evolved stars frequently exhibit radial velocity (RV) variations on annual timescales, complicated by instrumental systematics and aliasing in the one-year regime. He…

astro-ph.EP2023

Two long-period giant planets around two giant stars: HD 112570 and HD 154391

Guang-Yao Xiao, Huan-Yu Teng, Jianzhao Zhou +24

We present the discoveries of two giant planets orbiting the red giant branch (RGB) star HD 112570 and the red clump (RC) star HD 154391, based on the radial velocity (RV) measurem…

astro-ph.EP2023

Revisiting Planetary Systems in Okayama Planet Search Program: A new long-period planet, RV astrometry joint analysis, and multiplicity-metallicity trend around evolved stars

Huan-Yu Teng, Bun'ei Sato, Masayuki Kuzuhara +15

In this study, we revisit 32 planetary systems around evolved stars observed within the framework of the Okayama Planet Search Program and its collaborative framework of the EAPS-N…

astro-ph.EP2022★ 3 cited

A Close-in Planet Orbiting Giant Star HD 167768

Huan-Yu Teng, Bun'ei Sato, Masanobu Kunitomo +12

We report the detection of a giant planet orbiting a G-type giant star HD 167768 from radial velocity measurements using HIgh Dispersion Echelle Spectrograph (HIDES) at Okayama Ast…

astro-ph.EP2022★ 3 cited

A Trio of Giant Planets Orbiting Evolved Star HD 184010

Huan-Yu Teng, Bun'ei Sato, Takuya Takarada +11

We report the discovery of a triple-giant-planet system around an evolved star HD 184010 (HR 7421, HIP 96016). This discovery is based on observations from Okayama Planet Search Pr…