2MASS 1503+2525
Coordinates: 
15h 03m 19.613s, +25° 25′ 19.68″
| Observation data Epoch J2000[1]:{{{3}}} Equinox J2000[1]:{{{3}}} |
|
|---|---|
| Constellation | Boötes |
| Right ascension | 15h 03m 19.613s[1]:{{{3}}} |
| Declination | 25° 25′ 19.68″[1]:{{{3}}} |
| Database references | |
| SIMBAD | data |
2MASS J15031961+2525196 (2MASS 1503+2525) is a nearby brown dwarf of spectral type T5.5,[2]:{{{3}}} located in constellation Boötes at approximately 20.7 light-years from Earth.[3]:{{{3}}}
History of observations
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.[3]:{{{3}}}
2MASS 1503+2525 distance estimates
| Source | Parallax, mas | Distance, pc | Distance, ly | Ref. |
|---|---|---|---|---|
| Burgasser et al. (2003) | ~7.8 | ~25.4 | [2]:{{{3}}} | |
| Dupuy & Liu (2012) | 157.2 ± 2.2 | 6.36 ± 0.09 | 20.7 ± 0.3 | [3]:{{{3}}} |
Non-trigonometric distance estimates are marked in italic. The best estimate is marked in bold.
References
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