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Profile
Laird Close
Astronomer, Steward Observatory | Professor, Astronomy | Member of the Graduate Faculty
Astronomy
Full Page
Overview
Research
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Collaboration
(23)
Daniel Apai
Mutual work: 3 Grants﹒3 Publications﹒5 Proposals
Collaboration Details
George Rieke
Mutual work: 1 Grant﹒2 Publications﹒5 Proposals
Collaboration Details
Lucy Ziurys
Mutual work: 4 Proposals﹒2 Grants
Collaboration Details
Olivier Guyon
Mutual work: 10 Proposals﹒5 Grants﹒3 Publications
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Joellen Russell
Mutual work: 1 Proposal
Collaboration Details
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Grants
(19)
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Publications
(390)
Recent
Three Years of High-contrast Imaging of the PDS 70and c Exoplanets at Hα with MagAO-X: Evidence of Strong Protoplanet Hα Variability and Circumplanetary Dust
2025
exoplanet imaging,
protoplanetary disk,
high-contrast imaging
Astrometric Calibration of MagAO-X with Updated Solutions for HD 165054 Field Stars
2025
astrometry,
calibration,
imaging,
optical instrumentation
Probing Disk Ice Content and Polycyclic Aromatic Hydrocarbon Emission through Multiband MagAO+Clio Images of HD 141569
2024
astronomy,
astrophysics,
exoplanets,
astrochemistry,
infrared imaging
Erratum: “Improved Orbital Constraints and Hα Photometric Monitoring of the Directly Imaged Protoplanet Analog HD 142527 B” 2022, AJ, 164, 1)
2023
orbital dynamics,
protoplanetary disk,
photometric monitoring,
erratum,
direct imaging
Improved Companion Mass Limits for Sirius A with Thermal Infrared Coronagraphy Using a Vector-apodizing Phase Plate and Time-domain Starlight-subtraction Techniques
2023
infrared imaging,
companion stars,
coronagraphy,
time-domain techniques,
astronomical observations
The Giant Accreting Protoplanet Survey GAPlanetS)—Results from a 6 yr Campaign to Image Accreting Protoplanets
2023
planet formation,
accretion disk,
stellar evolution,
astronomical imaging,
protoplanetary disks
Monitoring Hα Emission from the Wide-orbit Brown-dwarf Companion FU Tau B
2023
astronomy,
brown dwarfs,
hα emission,
companion stars,
space observation
The Giant Accreting Protoplanet Survey GAPlanetS) Optimization Techniques for Robust Detections of Protoplanets
2023
planet formation,
astronomy,
survey optimization,
protoplanetary disk,
data analysis
Companion mass limits for 17 binary systems obtained with binary differential imaging and MagAO/Clio
2022
binary systems,
imaging techniques,
mass limits,
astronomical observations,
instrumentation
HST/WFC3 Hα Direct-imaging Detection of a Pointlike Source in the Disk Cavity of AB Aur
2022
astronomy,
direct imaging,
disk cavity,
hα detection,
pointlike source
