Constellation Cepheus | ||
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WISEPA J031325.96+780744.2 (designation abbreviated to WISE 0313+7807, or WISE J0313+7807) is a brown dwarf of spectral class T8.5, located in constellation Cepheus at approximately 21 light-years from Earth.
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Discovery
WISE 0313+7807 was discovered in 2011 by J. Davy Kirkpatrick et al. from data, collected by Wide-field Infrared Survey Explorer (WISE) Earth-orbiting satellite — NASA infrared-wavelength 40 cm (16 in) space telescope, which mission lasted from December 2009 to February 2011. In 2011 Kirkpatrick et al. published a paper in The Astrophysical Journal Supplement, where they presented discovery of 98 new found by WISE brown dwarf systems with components of spectral types M, L, T and Y, among which also was WISE 0313+7807.
Distance
Trigonometric parallax of WISE 0313+7807 is 153 ± 15 mas, corresponding to distance of 6.5+0.7
−0.6 pc or 21.3+2.3
−1.9 ly.