Tag Archive for 'HR 8799c'

This Webb/NIRCam image shows the multi-planet system HR 8799. Image credit: NASA / ESA / CSA / STScI / W. Balmer, JHU / L. Pueyo, STScI / M. Perrin, STScI.

Webb Directly Images Multiple Giant Exoplanets around Two Young Stars

Mar 17, 2025 by Natali Anderson

Astronomers using the Near-Infrared Camera (NIRCam) onboard the NASA/ESA/CSA James Webb Space Telescope have captured coronagraphic images of the HR 8799...

Artist's rendering of the planetary system HR 8799 at an early stage in its evolution, showing the planet HR 8799c, a disk of gas and dust, and interior planets (Dunlap Institute for Astronomy & Astrophysics / Mediafarm)

Astronomers Measure Rotation Speeds of Planets in HR 8799 System

Aug 2, 2021 by Enrico de Lazaro

Using the Keck Planet Imager and Characterizer (KPIC) on the Keck II telescope at the W.M. Keck Observatory, astronomers have obtained and analyzed the...

An artist’s impression of the HR 8799 planetary system. Image credit: W. M. Keck Observatory / Adam Makarenko / C. Alvarez.

Astronomers Confirm Water on Young Gas Giant HR 8799c

Nov 23, 2018 by News Staff

Astronomers using the Near-Infrared Spectrograph (NIRSPEC) on the Keck II telescope at the W. M. Keck Observatory have confirmed the existence of water...