activity
20022026
most citedThe Coldest Brown Dwarf (Or Free Floating Planet)?: The Y Dwarf WISE 1828+2650

56 citations · 214 across the 11 of their papers we have counts for

collaborators

12 papers

astro-ph.GA2026

An HST Wide Field Survey of the Galactic Bulge: Overview, Strategy, and First Results

Sean K. Terry, Jay Anderson, Charles A. Beichman +13

We present an HST imaging survey of a 1.1 sq. degree sky area toward the Milky Way Galactic Bulge. This field significantly overlaps with the upcoming Nancy Grace Roman Galactic Bu…

astro-ph.SR2026

Discovery of a Low-Mass Companion to the Accelerating Star HIP 53005 with Strongly Conflicting Mass Estimates

Taichi Uyama, Thayne Currie, Jerry W. Xuan +22

We present the discovery of a low-mass companion located at 0\farcs{}85 () from the early-type 1.2 Gyr-old star HIP 53005 using direct imagin…

astro-ph.EP2026

Worlds Next Door. III. Indirect Evidence for Enhanced Atmospheric Metallicity and/or the Presence of Water Clouds in the Nearest Jupiter-analog Eri b

Aniket Sanghi, James Mang, Jorge Llop-Sayson +12

We present the most sensitive direct imaging search for the nearest ( pc) Jupiter-analog exoplanet, Eri b, with JWST/NIRCam coronagraphy between 4-5 m (F444W). We a…

astro-ph.EP2025★ 4 cited

The Diversity of Cold Worlds: Age and Characterization of the Exoplanet COCONUTS-2b

Rocio Kiman, Charles A. Beichman, Azul Ruiz Diaz +19

Studying cold brown dwarfs is key to understanding the diverse characteristics of cold giant exoplanets atmospheres. COCONUTS-2, is a wide binary system composed of a T9 brown dwar…

astro-ph.SR2025★ 3 cited

Diversity of Cold Worlds: A Near Complete Spectral Energy Distribution for 2MASS J04151954-0935066 using JWST

Sherelyn Alejandro Merchan, Jacqueline K. Faherty, Genaro Suárez +25

We present the a near complete spectral energy distribution (SED) for an extrasolar world: the T8 brown dwarf 2MASS~J041519540935066. Spanning from optical to mid-infrared (0.7-…

astro-ph.SR2025

The Diversity of Cold Worlds: a blended-light binary straddling the T/Y transition in brown dwarfs

Daniella C. Bardalez Gagliuffi, Jacqueline K. Faherty, Genaro Suarez +22

We present the first brown dwarf spectral binary characterized with JWST: WISE J014656.66+423410.0, the coldest blended-light brown dwarf binary straddling the T/Y transition. We o…

astro-ph.SR2024★ 35 cited

Methane Emission From a Cool Brown Dwarf

Jacqueline K. Faherty, Ben Burningham, Jonathan Gagné +21

Beyond our solar system, aurorae have been inferred from radio observations of isolated brown dwarfs (e.g. Hallinan et al. 2006; Kao et al. 2023). Within our solar system, giant pl…

astro-ph.EP2019★ 17 cited

Parallax of OGLE-2018-BLG-0596: A Low-mass-ratio Planet around an M-dwarf

Youn Kil Jung, Andrew Gould, Andrzej Udalski +63

We report the discovery of a microlensing planet OGLE-2018-BLG-0596Lb, with preferred planet-host mass ratio . The planetary signal, which is chara…

astro-ph.SR2018★ 10 cited

OGLE-2014-BLG-0289: Precise Characterization of a Quintuple-Peak Gravitational Microlensing Event

A. Udalski, C. Han, V. Bozza +63

We present the analysis of the binary-microlensing event OGLE-2014-BLG-0289. The event light curve exhibits very unusual five peaks where four peaks were produced by caustic crossi…

astro-ph.EP2016★ 39 cited

UKIRT microlensing surveys as a pathfinder for : The detection of five highly extinguished low- events

Y. Shvartzvald, G. Bryden, A. Gould +3

Optical microlensing surveys are restricted from detecting events near the Galactic plane and center, where the event rate is thought to be the highest, due to the high optical ext…

astro-ph.SR2013★ 56 cited

The Coldest Brown Dwarf (Or Free Floating Planet)?: The Y Dwarf WISE 1828+2650

Charles A. Beichman, Christopher R. Gelino, J. Davy Kirkpatrick +4

We have monitored the position of the cool Y dwarf WISEPA J182831.08+265037.8 using a combination of ground- and space-based telescopes and have determined its distance to be 11.2$…

astro-ph2002★ 50 cited

A Distant Stellar Companion in the Upsilon Andromedae System

Patrick J. Lowrance, J. Davy Kirkpatrick, Charles A. Beichman

Upsilon Andromedae is an F8V star known to have an extrasolar system of at least 3 planets in orbit around it. Here we report the discovery of a low-mass stellar companion to this…