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TOI-677 b

From Wikipedia, the free encyclopedia

TOI-677 b
Discovery
Discovery siteTransiting Exoplanet Survey Satellite[1]
Discovery date2019[1]
Transit method[1]
Orbital characteristics
0.1038 AU (15,530,000 km)
11.24 d[1]
Inclination87.63
StarTOI-677
Physical characteristics
Mean radius
1.170 RJ[1]
Mass1.236 MJ
Temperature1,252 K (979 °C; 1,794 °F)[1]

TOI-677 b (or TOI-677b; "TOI" refers to "Tess Object of Interest") is a confirmed "warm" super-Jupiter exoplanet orbiting TOI-677, its host star, in the Ophiuchus constellation,[2] about 466 ly (143 pc) away from Earth.[1][3][4][5] The planet was discovered by NASA's Transiting Exoplanet Survey Satellite (TESS) using the transit method, in which the dimming effect that a planet causes as it crosses in front of its star is measured. Discovery of the exoplanet was announced on 13 November 2019.[1][3][4][5]

Confirmed exoplanet

TOI-677 b is a "warm" super-Jupiter with a temperature of 1,252 K (979 °C; 1,794 °F), and with a mass 1.236 times, and a radius 1.170 times, that of Jupiter.[1] The planet is very close to its bright (V=9.8 mag) main sequence late F host star (based on solar radius, age, temperature and metallicity), TOI-677, and orbits the star once every 11.24 days in an eccentric orbit (e=0.435).[1][3]

See also

References

  1. ^ a b c d e f g h i j Jordán, Andrés; et al. (2020). "TOI-677 b: A Warm Jupiter (P=11.2d) on an eccentric orbit transiting a late F-type star". The Astronomical Journal. 159 (4): 145. arXiv:1911.05574. Bibcode:2020AJ....159..145J. doi:10.3847/1538-3881/ab6f67.
  2. ^ Staff (2 August 2008). "Finding the constellation which contains given sky coordinates". DJM.cc. Retrieved 26 November 2019.
  3. ^ a b c Nowakowski, Tomasz (21 November 2019). "New 'warm Jupiter' exoplanet discovered". Phys.org. Retrieved 26 November 2019.
  4. ^ a b Wehner, Mike (21 November 2019). "Astronomers spot steamy new exoplanet". Boy Genius Report. Retrieved 26 November 2019.
  5. ^ a b Gullett, Melanie J. (25 November 2019). "New "Warm Jupiter" Exoplanet Has Been Discovered". UpLoadComet.com. Retrieved 26 November 2019.

External links

Wikimedia Commons has media related to Transiting Exoplanet Survey Satellite.
This page was last edited on 22 December 2023, at 04:25
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