The near infrared imager and Slitless spectrograph for the James Webb space telescope. IV. Aperture masking interferometry
Abstract The James Webb Space Telescope's Near Infrared Imager and Slitless
Spectrograph (JWST-NIRISS) flies a 7-hole non-redundant mask (NRM), the first such …
Spectrograph (JWST-NIRISS) flies a 7-hole non-redundant mask (NRM), the first such …
Performance of near-infrared high-contrast imaging methods with JWST from commissioning
The James Webb Space Telescope (JWST) will revolutionize the field of high-contrast
imaging and enable both the direct detection of Saturn-mass planets and the …
imaging and enable both the direct detection of Saturn-mass planets and the …
The Near Infrared Imager and Slitless Spectrograph for JWST. V. Kernel Phase Imaging and Data Analysis
J Kammerer, RA Cooper, T Vandal… - Publications of the …, 2023 - iopscience.iop.org
Kernel phase imaging (KPI) enables the direct detection of substellar companions and
circumstellar dust close to and below the classical (Rayleigh) diffraction limit. The high …
circumstellar dust close to and below the classical (Rayleigh) diffraction limit. The high …
Spectrally dispersed kernel phase interferometry with SCExAO/CHARIS: proof of concept and calibration strategies
Kernel phase interferometry (KPI) is a data processing technique that allows for the
detection of asymmetries (such as companions or disks) in high-Strehl images, close to and …
detection of asymmetries (such as companions or disks) in high-Strehl images, close to and …
Searching for Protoplanets around MWC 758 and MWC 480 in Br-γ Using Kernel Phase and SCExAO/CHARIS
Discovering new actively accreting protoplanets is crucial to answering open questions
about planet formation. However, identifying such planets at orbital distances where they are …
about planet formation. However, identifying such planets at orbital distances where they are …
Kernel phase and coronagraphy with automatic differentiation
The accumulation of aberrations along the optical path in a telescope produces distortions
and speckles in the resulting images, limiting the performance of cameras at high angular …
and speckles in the resulting images, limiting the performance of cameras at high angular …
Differentiable optics with∂ Lux: I—deep calibration of flat field and phase retrieval with automatic differentiation
L Desdoigts, BJS Pope, J Dennis… - Journal of Astronomical …, 2023 - spiedigitallibrary.org
The sensitivity limits of space telescopes are imposed by uncalibrated errors in the point
spread function, photon-noise, background light, and detector sensitivity. These are typically …
spread function, photon-noise, background light, and detector sensitivity. These are typically …
NICMOS Kernel-phase Interferometry. I. Catalogue of Brown Dwarfs Observed in F110W and F170M
Filling out the dearth of detections between direct imaging and radial velocity surveys will
test theories of planet formation and (sub) stellar binarity across the full range of semimajor …
test theories of planet formation and (sub) stellar binarity across the full range of semimajor …
The James Webb Interferometer: Space-based interferometric detections of PDS 70 b and c at 4.8 m
D Blakely, D Johnstone, G Cugno… - arXiv preprint arXiv …, 2024 - arxiv.org
We observed the planet-hosting system PDS 70 with the James Webb Interferometer,
JWST's Aperture Masking Interferometric (AMI) mode within NIRISS. Observing with the …
JWST's Aperture Masking Interferometric (AMI) mode within NIRISS. Observing with the …
A geometric view of closure phases in interferometry
N Thyagarajan, CL Carilli - … of the Astronomical Society of Australia, 2022 - cambridge.org
Closure phase is the phase of a closed-loop product of spatial coherences formed by a-
element interferometer array. Its invariance to phase corruption attributable to individual …
element interferometer array. Its invariance to phase corruption attributable to individual …