Lupus-TR-3
Encyclopedia
Lupus-TR-3 is a dim magnitude
17 K-type main sequence star
approximately 8,950 light-year
s distant in the constellation
of Lupus
.
, nine-tenths the radius, and has density of 1.4 g/cm³. This planet is a typical "hot Jupiter
" as it orbits at 0.0464 AU
distance from the star, taking 3.9 days to orbit. It is currently the faintest ground-based detection of a transiting planet.
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...
17 K-type main sequence 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...
approximately 8,950 light-year
Light-year
A light-year, also light year or lightyear is a unit of length, equal to just under 10 trillion kilometres...
s distant in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
of Lupus
Lupus (constellation)
Lupus is a constellation in the southern sky. Its name is Latin for wolf. Lupus was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations...
.
Planetary system
Lupus-TR-3 b is an exoplanet discovered in 2007 by personnel from the Harvard-Smithsonian Center for Astrophysics using the transit method. It has four-fifths the mass of JupiterJupiter
Jupiter is the fifth planet from the Sun and the largest planet within the Solar System. It is a gas giant with mass one-thousandth that of the Sun but is two and a half times the mass of all the other planets in our Solar System combined. Jupiter is classified as a gas giant along with Saturn,...
, nine-tenths the radius, and has density of 1.4 g/cm³. This planet is a typical "hot Jupiter
Hot Jupiter
Hot Jupiters are a class of extrasolar planet whose mass is close to or exceeds that of Jupiter...
" as it orbits at 0.0464 AU
Astronomical unit
An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....
distance from the star, taking 3.9 days to orbit. It is currently the faintest ground-based detection of a transiting planet.