Planetary System
As of 2011, three extrasolar planets have been found to orbit the star. Announced in 1999, the first planet (HD 37124 b) was discovered orbiting its parent star around the inner edge of the habitable zone, causing the planet to have a somewhat similar insolation to that of Venus. A second planet became apparent by 2003, thought to orbit in a 1940 days on an eccentric orbit, but this was subsequently found to be unstable. Solving this, a three-planet solution was announced in 2005: this contained a second planet (HD 37124 c) orbiting at the outer edge of the habitable zone with an insolation similar to that of Mars, and a third planet, (HD 37124 d). While not obviously in any orbital resonances in 2005, an updated solution announced in 2011 found planets c and d to likely be in a 2:1 resonance.
| Companion |
Mass | Semimajor axis |
Orbital period |
Eccentricity | Radius |
|---|---|---|---|---|---|
| b | ≥0.675 ± 0.017 MJ | 0.53364 ± 0.00020 | 154.378 ± 0.089 | 0.054 ± 0.028 | — |
| c | ≥0.652 ± 0.052 MJ | 1.7100 ± 0.0065 | 885.5 ± 5.1 | 0.125 ± 0.055 | — |
| d | ≥0.696 ± 0.059 MJ | 2.807 ± 0.038 | 1862 ± 38 | 0.16 ± 0.14 | — |
Read more about this topic: HD 37124
Famous quotes containing the words planetary and/or system:
“We cannot cheat on DNA. We cannot get round photosynthesis. We cannot say I am not going to give a damn about phytoplankton. All these tiny mechanisms provide the preconditions of our planetary life. To say we do not care is to say in the most literal sense that “we choose death.””
—Barbara Ward (1914–1981)
“For the universe has three children, born at one time, which reappear, under different names, in every system of thought, whether they be called cause, operation, and effect; or, more poetically, Jove, Pluto, Neptune; or, theologically, the Father, the Spirit, and the Son; but which we will call here, the Knower, the Doer, and the Sayer. These stand respectively for the love of truth, for the love of good, and for the love of beauty.”
—Ralph Waldo Emerson (1803–1882)