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Star HD 189733 is flaring in half of its observations. Astronomers also found out that the variability is significantly different in different parts of the electromagnetic spectrum.
|10. 12. 1999
The star has about 83 % of solar mass. In its system there is also another smaller star and a jupiter-sized exoplanet. The presence of the exoplanet might be the cause of difference in variability.
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