SIMP J013656.5 + 093347
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Brown dwarf SIMP J013656.5 + 093347 |
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| Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | fishes | ||
| Right ascension | 01 h 36 m 57 s | ||
| declination | + 09 ° 33 ′ 47 ″ | ||
| parallax | 163.68 ± 0.72 mas | ||
| distance | 19.92 ± 0.09 ly (6.11 ± 0.03 pc ) |
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| Proper movement | |||
| Rec. Share: | 1239.0 ± 1.2 mas / a | ||
| Dec. portion: | −17.4 ± 0.8 mas / a | ||
| Typing | |||
| Spectral class | T2.5 | ||
| Physical Properties | |||
| Other names and catalog entries |
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SIMP J013656.5 + 093347 , other name 2MASS J01365662 + 0933473, is a gas planet in the constellation Pisces . It belongs to the spectral class T2.5 and its position shifts annually by approx. 1.24 arc seconds with a position angle of approx. 90 ° due to its own movement .
New findings show that the object is not a brown dwarf, but rather a free-flying object of planetary mass .
swell
- Artigau et al .: Discovery of the Brightest T Dwarf in the Northern Hemisphere ; in: The Astrophysical Journal , Vol. 651, No. 1, pp. L57-L60 (2006), bibcode : 2006ApJ ... 651L..57A
- Artigau et al .: Photometric Variability of the T2.5 Brown Dwarf SIMP J013656.5 + 093347: Evidence for Evolving Weather Patterns ; in: The Astrophysical Journal, Vol. 701, No. 2, pp. 1534ff. (2009), bibcode : 2009ApJ ... 701.1534A
- Extrasolar Planets Encyclopaedia: SIMP J013656.5 + 093347
Individual evidence
- ↑ a b c Gaia Collaboration. Gaia DR2 https://gea.esac.esa.int/archive/ Retrieved May 30, 2018
- ^ Carnegie Science: Surprise! When a brown dwarf is actually a planetary mass object | Carnegie Institution for Science. Retrieved September 22, 2017 .