WISEPA J174124.26+255319.5
Star in the constellation Hercules / From Wikipedia, the free encyclopedia
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WISEPA J174124.26+255319.5 (designation is abbreviated to WISE 1741+2553) is a brown dwarf of spectral class T9,[1][7] located in constellation Hercules at approximately 15.2 light-years from Earth.[3]
Quick Facts Constellation, Right ascension ...
Observation data Epoch MJD 55451.80[1] Equinox J2000[1] | |
---|---|
Constellation | Hercules |
Right ascension | 17h 41m 24.22s[1] |
Declination | 25° 53′ 18.96″[1] |
Characteristics | |
Spectral type | T9[1] |
Apparent magnitude (J (2MASS filter system)) | 16.53±0.02[1] |
Apparent magnitude (H (2MASS filter system)) | 16.63±0.03[1] |
Apparent magnitude (KS (2MASS filter system)) | 16.89±0.20[1] |
Astrometry | |
Proper motion (μ) | RA: −495±11[2] mas/yr Dec.: −1472±13[2] mas/yr |
Parallax (π) | 214.3 ± 2.8 mas[3] |
Distance | 15.2 ± 0.2 ly (4.67 ± 0.06 pc) |
Details | |
Surface gravity (log g) | 4.00[4] cgs |
Temperature | 748±1[4] K |
Metallicity | 0 dex[4] |
Rotational velocity (v sin i) | 21+16 −14[4] km/s |
Other designations | |
Database references | |
SIMBAD | data |
Location of WISE 1741+2553 in the constellation Hercules |
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