
Nearby star WISE J0410+1502 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope. WISE J0410+1502 is about 10 % of the size of Sun and temperature in its outer envelope is around 450 K (177 °C), which is about 8 % of Suns temperature.
Brown dwarfs are not really stars, because there is no thermonuclear fusion in their core. These objects are smaller and cooler than stars, but too massive to be considered planets. Brown dwarfs of spectral class Y are the coolest and only a few of them have been discovered so far.
Distance (Light Years) |
Star name | Mass (Solar mass) |
Planets | ||||||
---|---|---|---|---|---|---|---|---|---|
7.1 |
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Pi3 Orionis | 1.24 M☉ | ||||||
7.6 |
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WISE J0521+1025 | 0 M☉ | ||||||
8.1 |
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Ross 47 | 0.35 M☉ | ||||||
8.4 |
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2MASS J0254+0223 | 0.06 M☉ | ||||||
8.8 |
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40 Eridani | 0.84 M☉ 0.2 M☉ 0.57 M☉ |
1 |
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