WASP-96 is a G8-type star, located approximately 1140 light-years from Earth in the constellation of Phoenix.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Phoenix |
| Right ascension | 00h 04m 11.13768s[1] |
| Declination | −47° 21′ 38.3208″[1] |
| Apparent magnitude (V) | 12.2[2] |
| Characteristics | |
| Evolutionary stage | Main sequence |
| Spectral type | G8[2] |
| Astrometry | |
| Radial velocity (Rv) | −1.10±0.50[1] km/s |
| Proper motion (μ) | RA: 25.594 mas/yr[1] Dec.: 2.192 mas/yr[1] |
| Parallax (π) | 2.8590 ± 0.0154 mas[1] |
| Distance | 1,141 ± 6 ly (350 ± 2 pc) |
| Details[2] | |
| Mass | 1.06±0.09 M☉ |
| Radius | 1.05±0.05 R☉ |
| Surface gravity (log g) | 4.42±0.02 cgs |
| Temperature | 5540±140 K |
| Metallicity [Fe/H] | +0.14±0.19 dex |
| Rotational velocity (v sin i) | 1.5±1.3 km/s |
| Age | 9.4+3.3 −2.9[3] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
It is known to host at least one exoplanet, WASP-96b. It was discovered in 2013 by the Wide Angle Search for Planets (WASP), utilising the transit method.[2] In July 2022, NASA announced that a spectrum of the planet would be featured in the initial science release from the James Webb Space Telescope.[5][6]
Planetary system
editObservations from the James Webb Space Telescope show that WASP-96b displays a distinct signature of water, along with evidence for clouds and haze in its spectrum,[7] in contrast to what was previously believed to be an entirely cloudless atmosphere.[8][9]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 0.490+0.049 −0.047 MJ |
0.0454±0.0013 | 3.4252602(27) | <0.11 | 85.60±0.20° | 1.20±0.06 RJ |
See also
editReferences
edit- ^ a b c d e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b c d Hellier, Coel; Anderson, D. R.; Cameron, A. Collier; Delrez, L.; Gillon, M.; Jehin, E.; Lendl, M.; Maxted, P. F. L.; Pepe, F.; Pollacco, D.; Queloz, D.; Ségransan, D.; Smalley, B.; Smith, A. M. S.; Southworth, J.; Triaud, A. H. M. J.; Udry, S.; West, R. G. (2013), "Transiting hot Jupiters from WASP-South, Euler and TRAPPIST: WASP-95b to WASP-101b", Monthly Notices of the Royal Astronomical Society, 440 (3): 1982–1992, arXiv:1310.5630, Bibcode:2014MNRAS.440.1982H, doi:10.1093/mnras/stu410
- ^ a b Bonomo, A. S.; Desidera, S.; et al. (June 2017). "The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets". Astronomy & Astrophysics. 602: A107. arXiv:1704.00373. Bibcode:2017A&A...602A.107B. doi:10.1051/0004-6361/201629882. S2CID 118923163.
- ^ "WASP-96". Retrieved 12 July 2022.
- ^ "Exoplanet-catalog - Exoplanet Exploration: Planets Beyond our Solar System". Retrieved 12 July 2022.
- ^ Garner, Rob (2022-07-08). "NASA Shares List of Cosmic Targets for Webb Telescope's 1st Images". NASA. Retrieved 2022-07-12.
- ^ "Webb Reveals Steamy Atmosphere of Distant Planet in Exquisite Detail". WebbTelescope.org. Retrieved 2022-07-12.
- ^ Jorgenson, Amber (May 8, 2018). "WASP-96b: the cloudless exoplanet". Astronomy.com. Retrieved 2022-07-12.
- ^ McGruder, Chima D.; López-Morales, Mercedes; Kirk, James; Espinoza, Néstor; Rackham, Benjamin V.; Alam, Munazza K.; Allen, Natalie; Nikolov, Nikolay; Weaver, Ian C.; Ortiz Ceballos, Kevin; Osip, David J.; Apai, Dániel; Jordán, Andrés; Fortney, Jonathan J. (2022), "ACCESS: Confirmation of a Clear Atmosphere for WASP-96b and a Comparison of Light Curve Detrending Techniques", The Astronomical Journal, 164 (4): 134, arXiv:2207.03479, Bibcode:2022AJ....164..134M, doi:10.3847/1538-3881/ac7f2e, S2CID 250334756