WASP-10
Star in the constellation Pegasus From Wikipedia, the free encyclopedia
WASP-10 is a star in the constellation Pegasus. The SuperWASP project has observed and classified this star as a variable star, perhaps due to the eclipsing planet.[2]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pegasus |
| Right ascension | 23h 15m 58.3006s[1] |
| Declination | +31° 27′ 46.296″[1] |
| Apparent magnitude (V) | 12.7 |
| Characteristics | |
| Spectral type | K5 |
| Apparent magnitude (B) | ~12.4[2] |
| Apparent magnitude (R) | ~12.03[2] |
| Apparent magnitude (J) | 10.603 ±0.026[2] |
| Apparent magnitude (H) | 10.117 ±0.029[2] |
| Apparent magnitude (K) | 9.983 ±0.018[2] |
| Variable type | V*(1SWASP)[2] |
| Astrometry | |
| Proper motion (μ) | RA: 25.050(12) mas/yr[1] Dec.: −25.366(11) mas/yr[1] |
| Parallax (π) | 7.0717±0.0135 mas[1] |
| Distance | 461.2 ± 0.9 ly (141.4 ± 0.3 pc) |
| Details[3] | |
| Mass | 0.71+0.086 −0.071 M☉ |
| Radius | 0.783 −0.043+0.035 R☉ |
| Temperature | 4675 ±100 K |
| Metallicity | 0.03±0.2 |
| Rotation | 11.91±0.05 d |
| Age | 6.00±4.12 Gyr |
| Other designations | |
| GSC 02752-00114, 2MASS J23155829+3127462, UCAC2 42862442, GSC2 N0013312406, 1SWASP J231558.30+312746.4, USNO-B1.0 1214-00586164, Gaia DR2 1909762228985058944[2] | |
| Database references | |
| SIMBAD | data |
The star is likely older than Sun, has fraction of heavy elements close to solar abundance, and is rotating rapidly, being spun up by the tides raised by the giant planet on the close orbit.[3]
Planetary system
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 3.06+0.23 −0.21 MJ |
0.0371+0.0014 −0.0013 |
3.0927616+0.0000112 −0.0000182 |
0.057+0.011 −0.005 |
— | 1.08±0.02 RJ |
| c (unconfirmed) | 0.1 MJ | — | 5.23 days | — | — | — |
WASP-10b
WASP-10b is an extrasolar planet discovered in 2008.[4]
WASP-10c
WASP-10c is an unconfirmed as in 2020[5] extrasolar planet inferred from transit time variations of WASP-10b's transits. It was discovered in 2010.[6]
High likelihood of another Super-Jupiter planet at wide (at least 5 astronomical units) orbit was reported in 2013.[7]
See also
References
External links
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