Tag Archive for 'IGRINS'

An artist’s impression of an ultrahot Jupiter. Image credit: Sci-News.com.

Ultra-Hot Jupiter WASP-189b Mirrors Its Star’s Chemistry, Astronomers Find

Apr 1, 2026 by News Staff

Using the Immersion Grating Infrared Spectrometer (IGRINS) on the Gemini South telescope at the International Gemini Observatory, astronomers have directly...

This artist’s illustration shows WASP-121b, an alien world that is losing magnesium and iron gas from its atmosphere. Image credit: NASA / ESA / J. Olmsted, STScI.

WASP-121b May Have Formed Much Closer to Its Parent Star than Previously Believed Possible

Feb 3, 2025 by Enrico de Lazaro

Astronomers using the Immersion GRating INfrared Spectrograph (IGRINS) instrument on the Gemini South telescope have examined the atmosphere of WASP-121b,...

An artist’s impression of the hot-Jupiter exoplanet HAT-P-68b and its parent star HAT-P-68 (also known as GSC 1925-01046 and 2MASS 07535598+2356176), a K5-type dwarf star with a mass of 0.68 solar masses and a radius of 0.67 solar radii. Image credit: Sci-News.com.

Astronomers Measure Amount of Carbon and Oxygen in Hot Jupiter’s Atmosphere

Oct 29, 2021 by News Staff

Using the Immersion GRating INfrared Spectrometer (IGRINS) at the Gemini South Observatory on Cerro Pachon, Chile, astronomers have measured carbon-to-hydrogen...