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WASP-95

Summary

WASP-95 is a star 451 light-years (138 parsecs) away in the constellation Grus. With an apparent magnitude of 10.1, it is not visible to the naked eye. Its spectral type of G2 means it is a yellow sunlike star.

WASP-95
Observation data
Epoch J2000      Equinox J2000
Constellation Grus
Right ascension 22h 29m 49.73551s[1]
Declination −48° 00′ 11.0487″[1]
Apparent magnitude (V) 10.09[2]
Characteristics
Spectral type G2[2]
Astrometry
Radial velocity (Rv)6.30±0.16[1] km/s
Proper motion (μ) RA: 92.151(11) mas/yr[1]
Dec.: −6.905(14) mas/yr[1]
Parallax (π)7.2379 ± 0.0157 mas[1]
Distance450.6 ± 1.0 ly
(138.2 ± 0.3 pc)
Details[3]
Mass1.110±0.090 M☉
Radius1.130+0.080
−0.040 R☉
Temperature5830±140 K
Metallicity [Fe/H]0.14±0.16 dex
Rotational velocity (v sin i)3.10±0.60 km/s
Age5.0+2.8
−1.8 Gyr
Other designations
CD−48 14223, CPD−48 10759, TOI-105, TIC 144065872, WASP-95, TYC 8442-960-1, GSC 08442-00960, 2MASS J22294972-4800111[2]
Database references
SIMBADdata

Planetary system edit

In 2013, a planet was discovered around WASP-95. The planet, WASP-95b, is a hot Jupiter about 10% more massive than Jupiter, and completes an orbit round its star every two days. It was discovered by its transit of the star in 2013.[4] The planet's equilibrium temperature is 1692.6±40.4 K.[5]

The WASP-95 planetary system[5]
Companion
(in order from star) 		Mass Semimajor axis
(AU) 		Orbital period
(days) 		Eccentricity Inclination Radius
b 1.206+0.065
−0.067 MJ 		0.0312±0.0022 2.18466560(11) <0.018[3] 85.9411+0.0065
−0.0066° 		1.098±0.088 RJ

References edit

  1. ^ 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.
  2. ^ a b c "WASP-95". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 30 December 2016.
  3. ^ 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.
  4. ^ Hellier, Coel; Anderson, D. R.; Collier Cameron, A.; Delrez, L.; et al. (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. S2CID 54977201.
  5. ^ a b Saha, Suman; Sengupta, Sujan (2021), "Critical Analysis of Tess Transit Photometric Data: Improved Physical Properties for Five Exoplanets", The Astronomical Journal, 162 (5): 221, arXiv:2109.11366, Bibcode:2021AJ....162..221S, doi:10.3847/1538-3881/ac294d, S2CID 237605336