Q. Scientists have discovered 5 new Jupiter like planets close to their host stars. What are they named?- Published on 19 Feb 16a. WASP-119 b, WASP-124 b, WASP-126 b, WASP-129 b and WASP—133 b
b. WAST-119 a, WAST-124 a, WAST-126 a, WAST-129 a and WAST—133 a
c. WASK-119 d, WASK-124 d, WASK-126 d, WASK-129 d and WASK—133 d
d. WASR-119 x, WASR-124 x, WASR-126 x, WASR-129 x and WASR—133 x
ANSWER: WASP-119 b, WASP-124 b, WASP-126 b, WASP-129 b and WASP—133 b
Scientists have discovered 5 new Jupiter like planets similar in features to the biggest planet in our solar system and very close to host stars. Researchers used the WASP South or Wide Angle Search for Planets-South instrument an array of 8 cameras observing selected regions of the southern sky to show 5 stars with planet like transits in their light curve. The 5 planets have been named WASP-119 b, WASP-124 b, WASP-126 b, WASP-129 b and WASP—133 b.The orbital periods of the planets vary from 2.17 to 5.75 days, and their masses range from 0.3 to 1.2 the mass of Jupiter, with radii between one to 1.5 Jupiter radius, researchers said.
Other Findings- WASP-119 b (which has a mass of 1.2 of the mass of Jupiter, and an orbital period of 2.5 days) is a typical hot Jupiter.
- Its host star has a same type of mass like Sun’s but appears to be much older based on its effective temperature and density.
- WASP-124 b, less larger than Jupiter (0.6 times Jupiter masses), has orbital period of 3.4 days and a much younger parent star.
- WASP-126 b is the smallest-mass world found by researchers.
- Its low surface gravity and a bright host star make the planet a target for transmission spectroscopy.
- WASP-129 b, similar in size to Jupiter, has the longest orbital period. Its surface gravity is also high compared to other known ‘hot Jupiters’, researchers said.
- WASP-133 b has the shortest orbital period of the exoplanets detected by researchers.
