By Eric Storm 04/29/2001
In a press release on April 4, 2001 from the Geneva Observatory, an international team of astronomers acknowledged they had discovered a giant gas planet about 3.5 times that of Jupiter. Like earth this planet has a nearly circular orbit with a period of 385 days compared to earth's 365 days. The planet's distance is roughly 94 million miles from its parent star, HD 28 185, putting this planet in the "habitable zone". This compares to earth's distance of roughly 93 million miles from our Sun. To top it off the parent star, HD 28 185, is a G5 spectral class star, which puts it in the same category as our Sun.
Along with this finding were an additional ten discoveries of planets orbiting parent stars. This puts the count of known extrasolar planets at 63 as of April 4, 2001. The detections were made at the European Southern Observatory (ESO) in La Silla Observatory on the Swiss 1.2-m Leonard Euler telescope, as well as the Haute-Provence Observatory and on the Keck Telescopes on Mauna Kea, Hawaii.
Currently the detections of extrasolar planets are acquired from watching the motion of the parent star and how it wobbles as the unseen planet orbits around the star. The orbit of the planet or planets influences the stars wobble according to their quantity, size, distance and orbital velocity. Cont. . .1 2
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