Astronomy:TOI-677 b

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Short description: Tess Object in the constellation Ophiuchus
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)
Orbital period11.24 d[1]
Inclination87.63
StarTOI-677
Physical characteristics
Mean radius1.170 |♃|J}}}}}}[1]
Mass1.236 |♃|J}}}}}}
Physics1,252 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. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 Jordán, Andrés (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. doi:10.3847/1538-3881/ab6f67. Bibcode: 2020AJ....159..145J. 
  2. ↑ Staff (2 August 2008). "Finding the constellation which contains given sky coordinates". DJM.cc. http://djm.cc/constellation.html. Retrieved 26 November 2019. 
  3. ↑ 3.0 3.1 3.2 Nowakowski, Tomasz (21 November 2019). "New 'warm Jupiter' exoplanet discovered". Phys.org. https://phys.org/news/2019-11-jupiter-exoplanet.html. Retrieved 26 November 2019. 
  4. ↑ 4.0 4.1 Wehner, Mike (21 November 2019). "Astronomers spot steamy new exoplanet". Boy Genius Report. https://bgr.com/2019/11/21/space-news-new-exoplanet-warm-jupiter/. Retrieved 26 November 2019. 
  5. ↑ 5.0 5.1 Gullett, Melanie J. (25 November 2019). "New "Warm Jupiter" Exoplanet Has Been Discovered". UpLoadComet.com. https://uploadcomet.com/new-warm-jupiter-exoplanet-has-been-discovered/4367/. Retrieved 26 November 2019. 

External links

Coordinates: Sky map 16h 32m 18.0s, −22° 21′ 30″



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