Английская Википедия:DENIS-P J1228.2−1547

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Шаблон:Starbox begin Шаблон:Starbox image Шаблон:Starbox observe Шаблон:Starbox character Шаблон:Starbox astrometry Шаблон:Starbox catalog Шаблон:Starbox reference Шаблон:Starbox end DENIS-P J1228.2-1547 is a system of two nearly equal brown dwarfs, both are of spectral types L5.5:,Шаблон:R located in constellation Corvus at approximately 20.2 parsecs or 66.0 light-years from Earth.Шаблон:R

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.Шаблон:R

The second component (B) was discovered by Eduardo L. Martín and colleagues using near-infrared camera NICMOS on Hubble Space Telescope. It was announced in 1999.Шаблон:R

See also

The other two free-floating L dwarfs, detected by Delfosse et al. and announced in 1997:Шаблон:R

A free-floating L dwarf, detected by Kirkpatrick et al., announced also in 1997, but earlier:Шаблон:R

A free-floating L dwarf, detected by Ruiz et al., announced also in 1997, but later:Шаблон:R

References

Шаблон:Reflist

External links

Шаблон:Stars of Corvus