LTT9779 b Archives

Top: Transmission Spectroscopy showing extra absorption in the Na doublet’s core lines across different global abundances, measured in PPM. This plot compares three injected models, illustrating the presence or absence of TiO and VO. It features one example with error bars plus a main strand after several runs. In light blue, regions below 200 ppm are highlighted, indicating areas under the estimated error threshold coming from models without signals. Bottom: Three examples of Transmission Spectroscopy in PPM are presented. Black points represent data binned by a factor of 100, the light blue area denotes a 95% confidence interval, magenta highlights the core lines, and red dashed lines indicate the standard deviation of the continuum. Below these plots are normalised flux profiles centred on the core lines, with a dashed blue line marking the Na doublets. -- astro-ph.EP

Astrochemistry, Astrogeology, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report

A Closer Look at LTT 9779b: The ESPRESSO Endeavour to Pierce the Atmospheric Veil

by Keith CowingFebruary 3, 2025February 2, 2025

The proliferation of exoplanet discoveries in exotic environments like the Neptune desert challenges our understanding of planetary atmospheres under intense irradiation. The unexpected discovery of LTT9779 b, an ultra-hot Neptune […]

LTT9779 b

A Closer Look at LTT 9779b: The ESPRESSO Endeavour to Pierce the Atmospheric Veil

Dragonfly Titan Astrobiology Droid Clears Key Tests

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SwRI Study Found Primordial Mini-moons May Explain Meteorite Composition

The Galactic Centre G+0.633-0.0604 Molecular Cloud: A New Astrochemical Gold Mine. I. Gas Physical Properties

Researchers Confirm The Cause Of Earth’s Biggest Mass Extinction