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Amateur astronomer's data helps scientists discover a new exoplanet
by Staff Writers
Yekaterinburg, Russia (SPX) May 18, 2018

Finding chart including KPS-1 host star as obtained with the MTM-500 telescope in V band. Kourovka Planet Search project

One of the candidates previously found by the Kourovka Planet Search (KPS) project turned out to be the so-called hot Jupiter. The exoplanet, known as KPS-1b, orbits a star similar to the Sun with a period of 40 hours.

The mass and size of the exoplanet KPS-1b are close to the characteristics of Jupiter, but it is located very close to its parent star. Due to such proximity to the star, the temperature of the atmosphere KPS-1b is much higher than that of Jupiter.

Software for analyzing data and searching exoplanet candidates was developed in UrFU. Subsequent observations of exoplanets candidates were conducted in a number of observatories around the world including the Special Astrophysical Observatory of the Russian Academy of Sciences. Spectral observations, which allowed calculating the mass of the exoplanet, were conducted at Haute-Provence Observatory (France).

According to the researchers, the current discovery is unique due to the fact that signs of exoplanet existence (exoplanetary transits) were found in the data gathered by an amateur astronomer using readily available and relatively affordable equipment.

The discovery was made in collaboration with astronomers from Belgium, USA, England, France, the Netherlands, Turkey, Portugal, Lithuania, Italy and Canada.

The search for new exoplanets, as well as detailed studies of already known extrasolar planets, allow scientists to come closer to understanding how our solar system was formed and evolved.

Kourovka Planet Search (KPS) is a project of UrFU scientists, aimed at search for transit exoplanets. As part of this project, astronomers observed sites in the constellations Cygnus, Cassiopeia, and the Big Dipper.

Research paper


Related Links
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EXO WORLDS
Orbital variations can trigger 'snowball states' on exoplanets
Seattle WA (SPX) May 15, 2018
Aspects of an otherwise Earthlike planet's tilt and orbital dynamics can severely affect its potential habitability - even triggering abrupt "snowball states" where oceans freeze and surface life is impossible, according to new research from astronomers at the University of Washington. The research indicates that locating a planet in its host star's "habitable zone" - that swath of space just right to allow liquid water on an orbiting rocky planet's surface - isn't always enough evidence to judge ... read more

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