| Observation data Epoch MJD 55451.80 Equinox J2000 |
|
|---|---|
| Constellation | Hercules |
| Right ascension | 17h 41m 24.22s |
| Declination | 25° 53′ 18.96″ |
| Characteristics | |
| Spectral type | T9 |
| Apparent magnitude (J (2MASS filter system)) | 16.53±0.02 |
| Apparent magnitude (H (2MASS filter system)) | 16.63±0.03 |
| Apparent magnitude (KS(2MASS filter system)) | 16.89±0.20 |
| Astrometry | |
| Proper motion (μ) |
RA: −495±11 mas/yr Dec.: −1472±13 mas/yr |
| Parallax (π) | 180 ± 15mas |
| Distance | 18 ± 2 ly (5.6 ± 0.5 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
Coordinates:
17h 41m 24.22s, +25° 53′ 18.96″
WISEPA J174124.26+255319.5 (designation is abbreviated to WISE 1741+2553) is a brown dwarf of spectral class T9, located in constellation Hercules at approximately 18 light-years from Earth.
WISE 1741+2553 was discovered in 2011 from data, collected by Wide-field Infrared Survey Explorer (WISE) Earth-orbiting satellite — NASA infrared-wavelength 40 cm (16 in) space telescope, which mission lasted from December 2009 to February 2011. WISE 1741+2553 has three discovery papers: Scholz et al. (2011), Gelino et al. (2011) and Kirkpatrick et al. (2011).
Currently the most accurate distance estimate of WISE 1741+2553 is a trigonometric parallax, measured using Spitzer Space Telescope and published in 2013 by Trent Dupuy and Adam Kraus: 0.180±0.015 arcsec, corresponding to a distance 5.6+0.5
−0.4 pc, or 18.1+1.6
−1.4 ly.