SIMP J013656.5+093347
Possible exoplanet in the constellation Pisces / From Wikipedia, the free encyclopedia
SIMP J013656.5+093347 (abbreviated SIMP0136) is a brown dwarf or planetary mass object[4] at 19.9 light-years from Earth in the constellation Pisces. It belongs to the spectral class T2.5[1] and its position shifts due to its proper motion annually by about 1.24 arcsec in the right ascension.[3]
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
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Constellation | Pisces |
Right ascension | 01h 36m 57s |
Declination | +09° 33′ 47.3″ |
Characteristics | |
Spectral type | T2.5[1] |
Apparent magnitude (i) | 20.42 ± 0.06 |
Apparent magnitude (z) | 16.01 ± 0.02 |
Apparent magnitude (J) | 13.455 ± 0.030 |
Apparent magnitude (H) | 12.771 ± 0.032 |
Apparent magnitude (K) | 12.562 ± 0.024 |
Astrometry | |
Radial velocity (Rv) | 12.3 ± 0.8[2] km/s |
Proper motion (μ) | RA: 1238.244 ± 0.554[3] mas/yr Dec.: -16.156 ± 0.328[3] mas/yr |
Parallax (π) | 163.4478 ± 0.4629 mas[3] |
Distance | 19.95 ± 0.06 ly (6.12 ± 0.02 pc) |
Details | |
Mass | 12.7 ± 1.0[4] MJup |
Radius | 1.22 ± 0.01[4] RJup |
Surface gravity (log g) | 4.31 ± 0.03[4] cgs |
Temperature | 1098 ± 6[4] K |
Rotation | 2.406 ± 0.008[5] hours |
Rotational velocity (v sin i) | 52.8+1.1 −1.0[2] km/s |
Age | 200 ± 50[4] Myr |
Other designations | |
2MASS J01365662+0933473; IPMS J013656.57+093347.3; IBIS J013656.57+093347.3 | |
Database references | |
SIMBAD | data |
Location of SIMP0136 in the constellation Pisces |
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