OB Associations and their origins

NJ Wright - New Astronomy Reviews, 2020 - Elsevier
OB associations are unbound groups of young stars made prominent by their bright OB
members, and have long been thought to be the expanded remnants of dense star clusters …

BANYAN. XI. The BANYAN Σ multivariate Bayesian algorithm to identify members of young associations with 150 pc

J Gagné, EE Mamajek, L Malo, A Riedel… - The Astrophysical …, 2018 - iopscience.iop.org
BANYAN Σ is a new Bayesian algorithm to identify members of young stellar associations
within 150 pc of the Sun. It includes 27 young associations with ages in the range∼ 1–800 …

Disks around t tauri stars with sphere (dartts-s). i. sphere/irdis polarimetric imaging of eight prominent t tauri disks

H Avenhaus, SP Quanz, A Garufi, S Perez… - The Astrophysical …, 2018 - iopscience.iop.org
We present the first part of our Disks ARound T Tauri Stars with SPHERE (DARTTS-S)
survey: observations of eight T Tauri stars that were selected based on their strong (sub) …

Discovery and spectroscopy of the young jovian planet 51 Eri b with the Gemini Planet Imager

B Macintosh, JR Graham, T Barman, RJ De Rosa… - Science, 2015 - science.org
Directly detecting thermal emission from young extrasolar planets allows measurement of
their atmospheric compositions and luminosities, which are influenced by their formation …

A self-consistent, absolute isochronal age scale for young moving groups in the solar neighbourhood

CPM Bell, EE Mamajek, T Naylor - Monthly Notices of the Royal …, 2015 - academic.oup.com
We present a self-consistent, absolute isochronal age scale for young (≲ 200 Myr), nearby
(≲ 100 pc) moving groups in the solar neighbourhood based on homogeneous fitting of …

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 …

GASPS—a Herschel survey of gas and dust in protoplanetary disks: summary and initial statistics

WRF Dent, WF Thi, I Kamp, JP Williams… - Publications of the …, 2013 - iopscience.iop.org
We describe a large-scale far-infrared line and continuum survey of protoplanetary disk
through to young debris disk systems carried out using the ACS instrument on the Herschel …

The star formation history and accretion-disc fraction among the K-type members of the Scorpius–Centaurus OB association

MJ Pecaut, EE Mamajek - Monthly Notices of the Royal …, 2016 - academic.oup.com
We present results of a spectroscopic survey for new K-and M-type members of Scorpius–
Centaurus (Sco–Cen), the nearest OB Association (∼ 100–200 pc). Using an X-ray, proper …

Images of a fourth planet orbiting HR 8799

C Marois, B Zuckerman, QM Konopacky, B Macintosh… - Nature, 2010 - nature.com
High-contrast near-infrared imaging of the nearby star HR 8799 has shown three giant
planets. Such images were possible because of the wide orbits (> 25 astronomical units …

Direct imaging of multiple planets orbiting the star HR 8799

C Marois, B Macintosh, T Barman, B Zuckerman, I Song… - science, 2008 - science.org
Direct imaging of exoplanetary systems is a powerful technique that can reveal Jupiter-like
planets in wide orbits, can enable detailed characterization of planetary atmospheres, and is …