Constellation Boötes | ||
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2MASS J15031961+2525196 (2MASS 1503+2525) is a nearby brown dwarf of spectral type T5.5, located in constellation Boötes at approximately 20.7 light-years from Earth.
Contents
Discovery
2MASS 1503+2525 was discovered in 2003 by Adam J. Burgasser et al. in wide-field search for T dwarfs using the Two Micron All Sky Survey (2MASS).
Distance
Currently the most precise distance estimate of 2MASS 1503+2525 is a trigonometric parallax, published by Dupuy and Liu in 2012: 157.2 ± 2.2 mas, corresponding to a distance 6.36 ± 0.09 pc, or 20.7 ± 0.3 ly.
2MASS 1503+2525 distance estimates
Non-trigonometric distance estimates are marked in italic. The best estimate is marked in bold.
References
2MASS 1503+2525 Wikipedia(Text) CC BY-SA