IRAC J142950.8 + 333011
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Brown dwarf IRAC J142950.8 + 333011 |
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| Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Bear keeper | ||
| Right ascension | 14 h 29 m 50.8 s | ||
| declination | + 33 ° 30 ′ 11 ″ | ||
| Apparent brightness | J-Band: 16.9 likes I-Band: 22 likes |
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| distance | 30-40 pc | ||
| Typing | |||
| Spectral class | T4.5 | ||
| Physical Properties | |||
| Other names and catalog entries |
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IRAC J142950.8 + 333011 is a brown dwarf of the spectral class T4.5 an in the constellation Bootes . The photometric distance estimate is roughly 30 to 40 parsecs. The object was identified as a T dwarf by analyzing the data from the Spitzer Space Telescope in the mid-infrared (Stern et al., 2007). Its position shifts by 0.1 arc seconds annually due to its own movement .
literature
- Stern et al .: Mid-Infrared Selection of Brown Dwarfs and High-Redshift Quasars ; ApJ 663 (1), pp. 677-685, bibcode : 2007ApJ ... 663..677S