HD 80606 b, therefore, is thought to be mid-migration, slowing moving from an elliptical to a circular track. HD 80606 (right) and its binary partner, HD 80607, lie 190 light-years away in Ursa Major. HD 80606 b has the most eccentric orbit of all the extra-solar planets known to date (e= 0.93). We report a times series of B-band photometric observations initiated on the eve of Valentine's day, February 14, 2009, at the anticipated time of a transit of the extrasolar planet HD 80606b. HD 80606 b’s rotation rate, essentially the length of its day, is estimated to be 90 hours, which is twice as long as predicted for this planet. The planet was discovered orbiting the star Struve 1341 B in April 2001 by a team led by Michel Mayor and Didier Queloz. Over a given orbit, the planet goes from temperate to roasting and back! During this time interval, there is a ~15% probability that the planet will undergo a …

The pair can be seen with binoculars. HD 80606 b is currently in the midst of stabilizing into a more circular orbit. The planet was discovered orbiting the star Struve 1341 B in April 2001 by a team led by Michel Mayor and Didier Queloz. Infrared (8 μm) observations clearly show the rapid heating of the planet's atmosphere during periastron passage ( Laughlin et al.

HD 80606 b (also Struve 1341 B b or HIP 45982 b) is a superjovian planet (Eccentric Jupiter) 190 light-years distant in the constellation of Ursa Major.

Using high-signal spectroscopic observations of the two components of the visual binary, we show that they are nearly identical. That's only 25 times the Sun-Pluto distance. At its most distant point, HD 80606 b is about as far from its star as the Earth. The HD 80606 b periastron passage will be the focus of a 30-hour Spitzer Space Telescope observation on Nov. 20, 2007. The planet has an orbital period of 111.8 days and a minimum mass of 3.9 {M_Jup}. Es tracta de l'exoplaneta amb major excentricitat (òrbita més allargada) descobert fins avui.

The companion star's gravity plays havoc with HD 80606b's orbit via what's called the Kozai mechanism. The lower graph shows precise measurements of infrared light with a wavelength of 8 microns coming from the HD 80606 stellar system. Over a given orbit, the planet goes from temperate to roasting and back! Based on its mass, at 4 times that of Jupiter, it is a gas giant.

“This system is undoubtedly very unique as it seems to challenge in many ways our understanding of planet-star interactions and planet formation,” de Wit says. Credit: DSS/STScI/AURA > Larger image What would happen if, for a single day, the sun's light and heat were amplified a thousand times?

lar binari. HD 80606 is a close match to our Sun in mass and brightness, but it has a nearly identical companion star just 1,000 astronomical units away. HD 80606 b was discovered orbiting the star HD 80606 in April 2001 by a team led by Michel Mayor and Didier Queloz. Detection of a transit by the planetary companion of HD 80606. Monthly Notices of the Royal Astronomical Society Letters , 2009; DOI: 10.1111/j.1745-3933.2009.00653.x Cite This Page : With a … The system consists of a sun-like star and a planetary companion on an extremely eccentric, comet-like orbit. The geometry of the planet-star encounter is shown in the upper part of the figure. The HD 80606 b results page from the pre-2007 transitsearch.org site is located here. HD 80606 b (also Struve 1341 B b or HIP 45982 b) is a superjovian planet (Eccentric Jupiter) 190 light-years distant in the constellation of Ursa Major. But at its closest point it is just 3% of an AU (the Earth-Sun distance) from its star. HD 80606 and HD 80607 are two stars comprising a binary star system. But at its closest point it is just 3% of an AU (the Earth-Sun distance) from its star. Based on its mass, at 4 times that of Jupiter, it is a gas giant.

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