DENIS-P J1228.2-1547

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DENIS-P J1228.2-1547 is a system of two nearly equal brown dwarfs, both are of spectral types L5.5:,[1]:{{{3}}} located in constellation Corvus at approximately 20.2 parsecs or 66.0 light-years from Earth.[2]:{{{3}}}

History of observations

DENIS-P J1228.2-1547 is one on the first free-floating L dwarfs discovered. It was discovered in 1997 by Xavier Delfosse and colleagues from the DENIS survey.[3]:{{{3}}}

The second component (B) was discovered by Martín and colleagues using near-infrared camera NICMOS on Hubble Space Telescope. It was announced in 1999.[4]:{{{3}}}

See also

The other two free-floating L dwarfs, detected by Delfosse et al. and announced in 1997:[3]:{{{3}}}

A free-floating L dwarf, detected by Kirkpatrick et al., announced also in 1997, but earlier:[5]:{{{3}}}

A free-floating L dwarf, detected by Ruiz et al., announced also in 1997, but later:[6]:{{{3}}}

References

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  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links

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