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 …

Accreting protoplanets in the LkCa 15 transition disk

S Sallum, KB Follette, JA Eisner, LM Close, P Hinz… - Nature, 2015 - nature.com
Exoplanet detections have revolutionized astronomy, offering new insights into solar system
architecture and planet demographics. While nearly 1,900 exoplanets have now been …

Magellan adaptive optics imaging of PDS 70: measuring the mass accretion rate of a young giant planet within a gapped disk

K Wagner, KB Follette, LM Close, D Apai… - The Astrophysical …, 2018 - iopscience.iop.org
PDS 70b is a recently discovered and directly imaged exoplanet within the wide (≳ 40 au)
cavity around PDS 70. Ongoing accretion onto the central star suggests that accretion onto …

Directly imaged LT transition exoplanets in the mid-infrared

AJ Skemer, MS Marley, PM Hinz… - The Astrophysical …, 2014 - iopscience.iop.org
Gas-giant planets emit a large fraction of their light in the mid-infrared (≳ 3 μm), where
photometry and spectroscopy are critical to our understanding of the bulk properties of …

Interpreting the photometry and spectroscopy of directly imaged planets: a new atmospheric model applied to β Pictoris b and SPHERE observations

JL Baudino, B Bézard, A Boccaletti, M Bonnefoy… - Astronomy & …, 2015 - aanda.org
Context. Since the end of 2013 a new generation of instruments optimized to image young
giant planets around nearby stars directly is becoming available on 8-m class telescopes …

The VLT/NaCo large program to probe the occurrence of exoplanets and brown dwarfs at wide orbits-II. Survey description, results, and performances

G Chauvin, A Vigan, M Bonnefoy, S Desidera… - Astronomy & …, 2015 - aanda.org
Context. Young, nearby stars are ideal targets for direct imaging searches for giant planets
and brown dwarf companions. After the first-imaged planet discoveries, vast efforts have …

Magellan adaptive optics first-light observations of the exoplanet β Pic b. II. 3–5 μm direct imaging with MagAO+ Clio, and the empirical bolometric luminosity of a self …

KM Morzinski, JR Males, AJ Skemer… - The Astrophysical …, 2015 - iopscience.iop.org
Young giant exoplanets are a unique laboratory for understanding cool, low-gravity
atmospheres. A quintessential example is the massive extrasolar planet β Pic b, which is 9 …

Astronomical adaptive optics: a review

C Rao, L Zhong, Y Guo, M Li, L Zhang, K Wei - PhotoniX, 2024 - Springer
Since the concept of adaptive optics (AO) was proposed in 1953, AO has become an
indispensable technology for large aperture ground-based optical telescopes aimed at high …

Exoplanetary atmospheres

N Madhusudhan, H Knutson, J Fortney… - arxiv preprint arxiv …, 2014 - arxiv.org
The study of exoplanetary atmospheres is one of the most exciting and dynamic frontiers in
astronomy. Over the past two decades ongoing surveys have revealed an astonishing …

Diffraction-limited visible light images of orion trapezium cluster with the magellan adaptive secondary adaptive optics system (MagAO)

LM Close, JR Males, K Morzinski, D Kopon… - The Astrophysical …, 2013 - iopscience.iop.org
We utilized the new high-order (250-378 mode) Magellan Adaptive Optics system (MagAO)
to obtain very high spatial resolution observations in" visible light" with MagAO's VisAO CCD …