There are two belt Dust Around the Young Star HD 95086

Astronomy Science ~ infrared data from NASA's Spitzer Space Telescope and ESA's Herschel Space Observatory have discovered dusty st...

Astronomy Science ~ infrared data from NASA's Spitzer Space Telescope and ESA's Herschel Space Observatory have discovered dusty star system, which might help in finding a new planet.

This dusty star system called HD 95 086, located 295 light-years from Earth in the constellation Carina. This system is thought to have two belts of dust which lies in the dust halo outside the newly discovered. One belt is warmer and closer to its star, as well as the asteroid belt of our solar system, while the second belt cooler and more distant, similar to the Kuiper Belt comets home ice in our Solar System.

"By looking at another star system like this, we can assemble how our solar system formed," said Kate Su, an astronomer at the University of Arizona, Tucson, and lead author of the study.

In our solar system, Jupiter, Saturn, Uranus and Neptune sandwiched between two belts of dust.

Scientists think that the same thing also happened in the star system HD 95 086, but on a larger scale. One planet in this system, about five times the mass of Jupiter have been found, which is located in the HD 95 086 cold belt. More massive planets might be lurking in between two belts of dust, waiting to be discovered.

Studies conducted Spitzer and Herschel like this can show the way for ground-based telescopes to take pictures of the hidden planet, this technique is called direct imaging. A planet that has been discovered in the system HD 95 086 was found and imaged using this technique in 2013. The picture is not sharp because the planet is so faint and far away, but they reveal new information about the global architecture of planetary systems.

This illustration depicts a giant planet orbiting between the dust belt. Scientists think the star system HD 95 068 may have an architecture similar to the planet. Two belts of dust found in this star system and a exoplanets also been found in this system, but there might be more planets orbiting this star but has not been found
"By knowing the debris, plus the properties that known in this system, we can get an idea of ​​what types of planets could be there," said Sarah Morrison, co-author of the study and a student from the University of Arizona.

This diagram illustrates two same star system, HD 95 086 and HR 8799. Evidence from NASA's Spitzer telescope has pointed to the presence of two belts of dust in this system. Next to the warm dust belt, similar to the asteroid belt in our solar system while the outer belt cooler, similar to the Kuiper Belt in our solar system.
To learn what is HD 95 086, the astronomers switched to a similar star system called HR 8799. This star also has inner and outer belts debris surrounded by a large circle of fine dust. Four exoplanets have been found in this system, which is between the belt debris.

By comparing data from the two systems suggests that the star HD95086, same as HR 8799, may be home to some of the planet that has not been seen. Ground-based telescopes may be able to take pictures of these planets.

HD 95 086 and HR 8799 is much younger and more dusty than our Solar System. When the planetary system was young and still in formation, collisions between planets nascent, asteroids and comets that generate dust. Some dust clumping into planets, some forming belt, and the rest is released into the halo, or channeled into a star.

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AstroNation: There are two belt Dust Around the Young Star HD 95086
There are two belt Dust Around the Young Star HD 95086
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