WASP-33b

WASP-33b
Discovery[1]
Discovered byWASP
Discovery date2010
Transit
Orbital characteristics
0.02555 ± 0.00017 AU (3,822,200 ± 25,432 km) [1]
1.21987089 ± 0.00000015 days (105,396.845 ± 0.013 s; 29.2769014 ± 3.6×10−6 h) [2]
Inclination87.67±1.81°[1]
Semi-amplitude0.59 km/s (1,300 mph) [1]
StarHD 15082
Physical characteristics
1.497±0.095 RJ[1]
Mass2.81±0.53 MJ[3]
Albedo0.369±0.050[3]
Temperature2,710 ± 50 K (2,440 ± 50.0 °C; 4,420 ± 90.0 °F) [1]

WASP-33b is an extrasolar planet orbiting the star HD 15082. It was the first planet discovered to orbit a Delta Scuti variable star. With a semimajor axis of 0.026 AU (3.9 million km; 2.4 million mi) and a mass likely greater than Jupiter's,[1] it belongs to the hot Jupiter class of planets.

  1. ^ a b c d e f g Cite error: The named reference cameron2010 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference Zhang2017 was invoked but never defined (see the help page).
  3. ^ a b von Essen, C.; Mallonn, M.; Borre, C. C.; Antoci, V.; Stassun, K. G.; Khalafinejad, S.; Tautvaivsiene, G. (2020). "TESS unveils the phase curve of WASP-33b. Characterization of the planetary atmosphere and the pulsations from the star". Astronomy & Astrophysics. A34: 639. arXiv:2004.10767. Bibcode:2020A&A...639A..34V. doi:10.1051/0004-6361/202037905. S2CID 216080995.