Pollux

 Pollux

Table of Contents 

• Information
• Planets
• Discovery

Pollux, designated β Geminorum, is an orange-hued evolved giant star about 34 light-years from the Sun in the constellation of Gemini. It is the brightest star in Gemini and the closest giant star to the Sun. 

Information

Distance to Earth :- 33.72 light years

Surface temperature :- 4,865 K

Radius :- 6.1222 million km

Magnitude :- 1.14

Mass :- 4.057 × 10^30 kg (2.04 M☉)

Constellation :- Gemini

Spectral type :- K0IIIb

Planets

Planetary System

Pollux b or Thestias, is a planet with an estimated mass of at least 2.3 times that of Jupiter – thus it is likely a gas giant. The exoplanet orbits Pollux once every 590 days at a distance of 1.64 AU in a nearly circular orbit.

Discovery

16 June 2006

Pollux b

Discovery
Discovered by	Hatzes et al.
Discovery site	United States
Discovery date	16 June 2006
Detection method	Radial velocity