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Star in constellation of Virgo From Wikipedia, the free encyclopedia
WASP-16 is a magnitude 11 yellow dwarf main sequence star, with characteristics similar to the Sun,[5] located in the Virgo constellation.[1]
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Virgo[1] |
Right ascension | 14h 18m 43.9225s[2] |
Declination | −20° 16′ 31.844″[2] |
Apparent magnitude (V) | 11.309[3] |
Characteristics | |
Spectral type | G3V[4] |
Apparent magnitude (B) | 12.51±0.32[5] |
Apparent magnitude (R) | ~11.00[5] |
Apparent magnitude (I) | 10.49±0.02[5] |
Apparent magnitude (J) | 9.984±0.024[5] |
Apparent magnitude (H) | 9.659±0.022[5] |
Apparent magnitude (K) | 9.589±0.023[5] |
Astrometry | |
Proper motion (μ) | RA: 0.088(27) mas/yr[2] Dec.: 17.350(21) mas/yr[2] |
Parallax (π) | 5.1912 ± 0.0262 mas[2] |
Distance | 628 ± 3 ly (192.6 ± 1.0 pc) |
Details | |
Mass | 1.022±0.101[4] M☉ |
Radius | 0.946±0.054[4] R☉ |
Surface gravity (log g) | 4.5±0.2[4] cgs |
Temperature | 5700±150[4] K |
Metallicity [Fe/H] | 0.01±0.10[4] dex |
Rotational velocity (v sin i) | 3.0±1.0[4] km/s |
Age | 5+3.1 −0[4][6] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
Exoplanet Archive | data |
In 2009, a planet of the star was announced by the SuperWASP project. It appears to be another hot Jupiter type exoplanet.[4]
In 2024, a candidate mini-neptune was detected, also using the transit method. Further observations are needed to confirm its existence. The planet takes ten days to fully orbit WASP-16 and has an equilibrium temperature of 810 K (537 °C).[7]
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | 0.855±0.059 MJ | 0.0421+0.001 −0.0018 |
3.1186009+0.0000146 −0.0000131 |
0 | — | 1.008 RJ |
c (unconfirmed) | — | — | 10.457+0.018 −0.028 |
— | — | 2.2±0.23 R🜨 |
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