PDS 70 d Archives - Astrobiology

Geometrical model fit to the F480M closure phase and squared visibility data of PDS 70 (images), using uniform priors on the positions of PDS 70 b and c. With respect to the central source (yellow star), PDS 70 b is to the south-east while PDS 70 c is directly west. The white contours denote the 1, 2, 3, 4 and 5 σ contours of the marginalized posterior of the positions of PDS 70 b and c. The two grey dashed circles are centered on the predicted locations of the planets at the time of the observations (Wang et al. 2021b) from whereistheplanet (Wang et al. 2021a). We mask the central region to denote the inner working angle of ∼0.5λ/B = 94 mas, the diffraction limit of the data. -- astro-ph.EP

Astronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report

The James Webb Interferometer: Space-based Interferometric Detections of PDS 70 b and c at 4.8 μm

by Keith CowingApril 24, 2024April 24, 2024

We observed the planet-hosting system PDS 70 with the James Webb Interferometer, JWST’s Aperture Masking Interferometric (AMI) mode within NIRISS.