Astronomy:WASP-11

From HandWiki

WASP-11, also designated HAT-P-10, is a binary star system. The primary star is a main-sequence orange dwarf star. The secondary is an M dwarf with a projected separation of 42 astronomical unit|AU.[1] The system is located about 424 light-years away[2] in the constellation Aries.

Planetary system

A hot Jupiter with half Jupiter's mass, WASP-11b (or HAT-P-10b), was detected around the primary star independently by the Hungarian Automated Telescope Network and the Wide Angle Search for Planets teams, both of which used the transit method.[3][4]

The WASP-11 planetary system[5]
Companion
(in order from star) 		Mass Semimajor axis
(AU) 		Orbital period
(days) 		Eccentricity Inclination Radius
b 0.532+0.020
−0.021 MJ 		0.04376+0.00071
−0.00067 		3.7224793±0.0000007 <0.03 89.03±0.34° 0.990±0.022 RJ

References

  1. ↑ Piskorz, Danielle; Knutson, Heather A.; Ngo, Henry; Muirhead, Philip S.; Batygin, Konstantin; Crepp, Justin R.; Hinkley, Sasha; Morton, Timothy D. (2015), "Friends of Hot Jupiters. III. An Infrared Spectroscopic Search for Low-Mass Stellar Companions", The Astrophysical Journal 814 (2): 148, doi:10.1088/0004-637X/814/2/148, Bibcode: 2015ApJ...814..148P 
  2. ↑ Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940  Gaia DR3 record for this source at VizieR.
  3. ↑ West, R. G. et al. (2009). "The sub-Jupiter mass transiting exoplanet WASP-11b". Astronomy and Astrophysics 502 (1): 395–400. doi:10.1051/0004-6361/200810973. Bibcode: 2009A&A...502..395W. http://www.aanda.org/articles/aa/full_html/2009/28/aa10973-08/aa10973-08.html. 
  4. ↑ Bakos, G. Á. et al. (2009). "HAT-P-10b: A Light and Moderately Hot Jupiter Transiting A K Dwarf". The Astrophysical Journal 696 (2): 1950–1955. doi:10.1088/0004-637X/696/2/1950. Bibcode: 2009ApJ...696.1950B. 
  5. ↑ Bonomo, A. S. et al. (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 and Astrophysics 602: A107. doi:10.1051/0004-6361/201629882. Bibcode: 2017A&A...602A.107B. https://www.aanda.org/articles/aa/full_html/2017/06/aa29882-16/aa29882-16.html. 

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Coordinates: Sky map 03h 09m 28.55s, +30° 40′ 24.9″



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