James Webb is now studying a system that has an exoplanet with water in the atmosphere

Credit image: WASP project - comparison between Jupiter, Earth, and WASP-39b
Credit image: WASP project - comparison between Jupiter, Earth, and WASP-39b

Article by: Andacs Robert Eugen, on 10 July 2022, at 08:40 am Los Angeles time

Good news for the wonderful telescope that will make us travel through billions of light-years to see the farthest part of the Universe that humanity has ever been able to look at.

At the moment, the James Webb Space Telescope is studying a system with the WASP-39 star, in which a rather popular exoplanet, WASP-39b, is orbiting.

The main target according to scientists is the star of that system, but the exoplanet doesn't stay away from observations.

Thanks to the instrument and the mode, NIRSpec Bright Object Time Series with which Webb will make observations that will last a little more than 8 and a half hours, it will be possible to observe the transit of the exoplanet around the parent star.

"The JWST NIRSpec bright object time-series (BOTS) mode is for observations of bright sources that require high throughput and stable time-resolved spectroscopy. This mode is optimized for the study of transiting exoplanets around their bright host stars; such observations are expected to be the primary use of the BOTS mode," said NASA about the instrument and its mode.

Of course, scientists hope to receive more important data about this system, especially as the exoplanet WASP-39b has water in its atmosphere.

The exoplanet is more than 700 light-years away and was discovered in 2013 by the WASP project.

WASP-39b was studied intensively last year by several scientific institutions, but unfortunately due to its huge temperament and its Jupiter-like composition, the chances of life there are close to zero.

We also hope to receive a lot of data from Webb about this system, because due to the many targets it will have during the mission, some of them may have only a round of observations, not more.

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