description Ross 154 Overview
Ross 154 is a red dwarf star situated approximately 9.7 light-years from the Sun in the southern zodiac constellation of Sagittarius. It is classified as an M-type flare star, meaning it undergoes sudden, dramatic increases in luminosity due to intense magnetic activity on its surface. The star was first cataloged by American astronomer Frank Elmore Ross in 1926 as part of his survey of high proper motion stars. As one of the closest stellar systems to Earth, it is frequently cited in models of the solar neighborhood.
help Ross 154 FAQ
How far away is Ross 154?
Ross 154 is approximately 9.7 light-years from the Sun. It is located in the southern zodiac constellation Sagittarius.
What type of star is Ross 154?
Ross 154 is an M-type red dwarf. Red dwarfs are smaller and cooler than the Sun and can remain active for very long periods.
Why is Ross 154 called a flare star?
Ross 154 can undergo sudden increases in brightness caused by intense magnetic activity. These flares can make the star temporarily much more luminous than its quiet red-dwarf state.
Can Ross 154 be seen with the naked eye?
No, Ross 154 is too faint for normal naked-eye viewing despite being only about 9.7 light-years away. A telescope is needed because red dwarfs emit relatively little visible light.
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