Stellar multiplicity
Stellar multiplicity is a ubiquitous outcome of the star-formation process. The frequency and
main characteristics of multiple systems, and their dependence on primary mass and …
main characteristics of multiple systems, and their dependence on primary mass and …
Imaging extrasolar giant planets
BP Bowler - Publications of the Astronomical Society of the …, 2016 - iopscience.iop.org
High-contrast adaptive optics (AO) imaging is a powerful technique to probe the
architectures of planetary systems from the outside-in and survey the atmospheres of self …
architectures of planetary systems from the outside-in and survey the atmospheres of self …
The Hawaii infrared parallax program. I. Ultracool binaries and the L/T transition
We present the first results from our high-precision infrared (IR) astrometry program at the
Canada–France–Hawaii Telescope. We measure parallaxes for 83 ultracool dwarfs …
Canada–France–Hawaii Telescope. We measure parallaxes for 83 ultracool dwarfs …
Population-level eccentricity distributions of imaged exoplanets and brown dwarf companions: dynamical evidence for distinct formation channels
BP Bowler, SC Blunt, EL Nielsen - The Astronomical Journal, 2020 - iopscience.iop.org
The orbital eccentricities of directly imaged exoplanets and brown dwarf companions
provide clues about their formation and dynamical histories. We combine new high-contrast …
provide clues about their formation and dynamical histories. We combine new high-contrast …
The Hawaii infrared parallax program. II. Young ultracool field dwarfs
We present a large, uniform analysis of young (≈ 10–150 Myr) ultracool dwarfs, based on
new high-precision infrared (IR) parallaxes for 68 objects. We find that low-gravity (vl-g) late …
new high-precision infrared (IR) parallaxes for 68 objects. We find that low-gravity (vl-g) late …
Direct imaging and astrometric detection of a gas giant planet orbiting an accelerating star
T Currie, GM Brandt, TD Brandt, B Lacy, A Burrows… - Science, 2023 - science.org
Direct imaging of gas giant exoplanets provides information on their atmospheres and the
architectures of planetary systems. However, few planets have been detected in blind …
architectures of planetary systems. However, few planets have been detected in blind …
The Gemini/NICI Planet-Finding Campaign: The frequency of planets around young moving group stars
We report results of a direct imaging survey for giant planets around 80 members of the β
Pic, TW Hya, Tucana-Horologium, AB Dor, and Hercules-Lyra moving groups, observed as …
Pic, TW Hya, Tucana-Horologium, AB Dor, and Hercules-Lyra moving groups, observed as …
TESS reveals that the nearby pisces–eridanus stellar stream is only 120 myr old
JL Curtis, MA Agüeros, EE Mamajek… - The Astronomical …, 2019 - iopscience.iop.org
Abstract Pisces–Eridanus (Psc–Eri), a nearby (d≃ 80–226 pc) stellar stream stretching
across≈ 120 of the sky, was recently discovered with Gaia data. The stream was claimed to …
across≈ 120 of the sky, was recently discovered with Gaia data. The stream was claimed to …
Scexao/charis direct imaging discovery of a 20 au separation, low-mass ratio brown dwarf companion to an accelerating sun-like star
T Currie, TD Brandt, M Kuzuhara… - The Astrophysical …, 2020 - iopscience.iop.org
We present the direct imaging discovery of a substellar companion to the nearby Sun-like
star, HD 33632 Aa, at a projected separation of∼ 20 au, obtained with SCExAO/CHARIS …
star, HD 33632 Aa, at a projected separation of∼ 20 au, obtained with SCExAO/CHARIS …
Orbits for the impatient: a Bayesian rejection-sampling method for quickly fitting the orbits of long-period exoplanets
We describe a Bayesian rejection-sampling algorithm designed to efficiently compute
posterior distributions of orbital elements for data covering short fractions of long-period …
posterior distributions of orbital elements for data covering short fractions of long-period …