Search for exoplanets: nasa telescope tess delivers the first 2200 candidates

Search for exoplanets: nasa telescope tess delivers the first 2200 candidates

The NASA Space Telescope Transit Exoplanet Survey Satellite (TESS) has found more than 2200 possible exoplanets on its primary emission, including hundreds that could be seen as rock plans of the earth. According to the evaluation of the data scientists, according to the evaluation of the data, according to the fact that many of the candidates were allowed to be confirmed and the number of well-known exopplanes significantly increases. Because the stars examined by TESS are relatively bright, it is also expected that there will be a number of candidates for successors about the atmosphere.

Kepler’s successful successor

Tess was launched in April 2018 as a successor to the successful ExoplanetenJager Kepler. During Kepler, however, during his main mission has examined a narrow sky area in detail, Tess almost) looks for the entire sky – but every partial area short. Tess takes a 24-degree 96 ° coarse sky region for at least 27 days each for at least 27 days and asks the stars to periodic blackouts. The ways of exoprlayers, which circle their star in a few days, many of them much more closely than Keplers finds.

With the presentation of the database of light curves, which are considered candidates for possible exoplanets, but only another partial step is made of the search. The collection is a kind of to-do list, explores research director Natalia Guerrero from the Massachusetts Institute of Technology (with) – "Enter with 2000". The science community is now deepening in it and would expect years to be busy. Artist space telescopes such as the YWST of NASA or Ariel of ESA have been safely analyzed in detail and provide a lot of insights over exoplanets. First, however, the candidates had to be confirmed, for about 120 that had already been possible.

According to the particularly exciting finds, according to the researchers, for example, the Earth Grob Exoplanet Toi-700 D, which circles his star in the habitable zone, in the river water and thus the basic requirement for earthly life on his surface. He is about 100 light years away. TOI 1338 B (TOI stands for "TESS OBJECTS OF INTEREST") was the first exoplanet that Tess found, which circle two stars, LHS 3844 B, in turn, circles his star so tight that a circulation takes only 11 hours. Toi 1690 B Meanwhile, somehow had the transition of his star to a red giant and the recycling coincidence in a dwarf. Toi 849 B had taken care of as a well-lying core of a former gas giant for attention.

Thousands finds, even more candidates

The Exoplanetal archive of NASA is already paying 4367 confirmed exoplanets, on such a confirmation, not only the more than 2000 candidates of TESS, but also over 2000 from Kepler. Overall, NASA pays almost 6000 candidates. The confirmed exoplanets are located in 3000 star systems. The rendering method in the search for exoplanets is the transit method of Kepler and Tess, only the radial speed method is still on several hundred finds. Permitted exoplanets with one of the earth comparable mass pays the NASA at the opposite 46, in the radius it is over 400.


Search for exoplanets: nasa telescope tess delivers the first 2200 candidates
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