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Warm Jupiter

All articles tagged with #warm jupiter

astronomy2 years ago

"Groundbreaking Discovery: Astronomers Unveil a Surprising 'Warm Jupiter'"

Astronomers from the Harvard-Smithsonian Center for Astrophysics have discovered a new 'warm Jupiter' exoplanet, TOI-4641 b, orbiting a rapidly rotating F-type star. The planet is nearly four times as massive as Jupiter and has a radius of about 0.73 Jupiter radii. It orbits its host star every 22.09 days at a distance of 0.173 AU. This finding is significant for studying mechanisms that induce primordial misalignment in planetary systems.

via Phys.org|
#astronomy#exoplanet#harvard-smithsonian-center-for-astrophysics
space2 years ago

"James Webb Space Telescope Detects Methane and Water on 'Warm Jupiter' Exoplanet"

The James Webb Space Telescope (JWST) has detected methane and water vapor in the atmosphere of a "warm Jupiter" exoplanet located around 163 light-years away. This is a significant discovery as the detection of methane using space-based spectroscopy has been rare. By observing the planet's transit in front of its parent star, astronomers were able to analyze the combined spectra and identify the presence of specific molecules. The team also used thermal emissions during the planet's eclipse to further study the atmosphere. The findings provide insights into the exoplanet's features, formation history, and potential for supporting life.

via Space.com|
#exoplanets#james-webb-space-telescope#methane
astronomy2 years ago

"Unveiling the Unusual: A Closer Look at a Jupiter-Sized Exoplanet"

Researchers have discovered an unusual exoplanet, TOI-4860 b, which is classified as a "warm Jupiter" due to its large size compared to its low-mass parent star, lower surface temperatures, and high abundance of heavy elements. This challenges traditional planetary formation models and offers new insights into the formation of such systems. The researchers used various observatories and instruments to collect data on TOI-4860 b, and further investigations will be conducted to identify more warm Jupiters. This discovery provides astronomers with an opportunity to study and understand the formation and evolution of these unique exoplanets.

via Universe Today|
#astronomy#exoplanets#formation-models
astronomy2 years ago

Newly Discovered 'Warm Jupiter' Orbits Eccentrically and Misaligned.

Astronomers have discovered a new "warm Jupiter" exoplanet, TOI-1859 b, using NASA's Transiting Exoplanet Survey Satellite (TESS). The planet orbits its parent star on an eccentric and misaligned orbit. The planet has a radius of about 0.86 Jupiter radii and orbits its host every 63.48 days, at a distance of some 0.33 AU from it. The observations found that the sky-projected stellar obliquity for TOI-1859 b is at a level of 38.9 degrees and the orbital eccentricity turned out to be about 0.57. The astronomers suppose that such an eccentric and misaligned orbit of TOI-1859 b is likely due to dynamical interactions, like planet-planet scattering and planet-disk resonance crossing.

via Phys.org|
#astronomy#eccentric-orbit#exoplanet
astronomy2 years ago

Dense, Warm Jupiter-sized Exoplanet Discovered

Astronomers have discovered a new exoplanet, TOI-4127 b, using NASA's TESS. The planet is a warm Jupiter-sized exoplanet orbiting a dwarf star and is more than two times as massive as Jupiter. The planet has a highly eccentric orbit and an equilibrium temperature of about 605.1 K. The researchers concluded that the planet may be a "hot Jupiter" progenitor, but only if a perturbing companion is present.

via Phys.org|
#astronomy#dwarf-star#exoplanet