XO-5
Encyclopedia
XO-5 is a yellow dwarf
main sequence
star
located approximately 830 light-years away from Earth
in the Lynx constellation. It has a magnitude
of about 12 and cannot be seen with the naked eye but is visible through a small telescope
.
was discovered by the XO Telescope
using the transit method in 2008. This planet is classified as a hot jupiter
.
Yellow dwarf
A G-type main-sequence star , often called a yellow dwarf, is a main-sequence star of spectral type G and luminosity class V. Such a star has about 0.8 to 1.2 solar masses and surface temperature of between 5,300 and 6,000 K., Tables VII, VIII...
main sequence
Main sequence
The main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness. These color-magnitude plots are known as Hertzsprung–Russell diagrams after their co-developers, Ejnar Hertzsprung and Henry Norris Russell...
star
Star
A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...
located approximately 830 light-years away from Earth
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...
in the Lynx constellation. It has a magnitude
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...
of about 12 and cannot be seen with the naked eye but is visible through a small telescope
Telescope
A telescope is an instrument that aids in the observation of remote objects by collecting electromagnetic radiation . The first known practical telescopes were invented in the Netherlands at the beginning of the 1600s , using glass lenses...
.
Planetary system
The exoplanet XO-5bXO-5b
XO-5b is an extrasolar planet approximately 831 light years away in the constellation of Lynx. This planet was found by the transit method by Burke et al. in May 2008. The planet has mass 1.15 MJ and radius 1.15 RJ, making the density of this planet identical to water...
was discovered by the XO Telescope
XO Telescope
The XO Telescope is a telescope located on the 3,054 m summit of Haleakala on Maui, Hawaii, formed by a pair of 200 mm telephoto lenses. It is used to detect extrasolar planets using the transit method. It is similar to the TrES survey telescope...
using the transit method in 2008. This planet is classified as a hot jupiter
Hot Jupiter
Hot Jupiters are a class of extrasolar planet whose mass is close to or exceeds that of Jupiter...
.