activity
20092026
most citedRefined stellar, orbital and planetary parameters of the eccentric HAT-P-2 planetary system

78 citations · 82 across the 7 of their papers we have counts for

collaborators

7 papers

astro-ph.SR2026

Long-term Spectroscopic Survey of the Hyades Cluster: The Binary Population

Guillermo Torres, Robert P. Stefanik, David W. Latham

We report the results of a radial velocity monitoring program in the Hyades region, carried out at the Center for Astrophysics over a period of more than 45 yr. Nearly 12,000 spect…

astro-ph.SR2025

The Discovery of Two Quadruple Star Systems with the Second and Third Shortest Outer Periods

Brian P. Powell, Guillermo Torres, Veselin B. Kostov +12

We present the discovery of two quadruple star systems -- TIC 285853156 and TIC 392229331 -- each consisting of two bound eclipsing binary stars. Among the most compact quadruples…

astro-ph.SR2024★ 4 cited

KIC 4150611: A quadruply eclipsing heptuple star system with a g-mode period-spacing pattern Eclipse modelling of the triple and spectroscopic analysis

Alex Kemp, Andrew Tkachenko, Guillermo Torres +8

KIC 4150611 is a high-order multiple composed of a triple system composed of the F1V primary (Aa), which is eclipsed on a 94.2d period by a tight 1.52d binary composed of two dim K…

astro-ph.SR2024

Orbits and Dynamical Masses for Six Binary Systems in the Hyades Cluster

Guillermo Torres, Gail H. Schaefer, Robert P. Stefanik +8

We report long baseline interferometric observations with the CHARA Array that resolve six previously known double-lined spectroscopic binary systems in the Hyades cluster, with or…

astro-ph.SR2023

Orbits and Dynamical Masses for the Active Hyades Multiple System HD 284163

Guillermo Torres, Gail H. Schaefer, Robert P. Stefanik +16

We report near-infrared long-baseline interferometric observations of the Hyades multiple system HD 284163, made with the CHARA array, as well as almost 43 yr of high-resolution sp…

astro-ph.SR2023

Dynamical Masses for the Hyades Binary System vB 120

Guillermo Torres, Robert P. Stefanik, David W. Latham

We report spectroscopic observations of vB 120 (HD 30712), a 5.7 yr astrometric-spectroscopic binary system in the Hyades cluster. We combine our radial velocities with others from…

astro-ph.EP2009★ 78 cited

Refined stellar, orbital and planetary parameters of the eccentric HAT-P-2 planetary system

András Pál, Gáspár Á. Bakos, Guillermo Torres +10

We present refined parameters for the extrasolar planetary system HAT-P-2 (also known as HD 147506), based on new radial velocity and photometric data. HAT-P-2b is a transiting ext…