East-Asian Planet Search Network (EAPSNET) is an international collaboration between

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

, and

Korea Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...

. Each facility,

BOAO Bo'ao is a coastal town in the city of Qionghai, Hainan, China. The town is near the mouth of the Wanquan River where it discharges into the South China Sea. The town is away from downtown Qionghai, away from Haikou and away from Sanya ...

(Korea), Xinglong (China), and OAO (Japan), has a 2m class

telescope A telescope is a device used to observe distant objects by their emission, Absorption (electromagnetic radiation), absorption, or Reflection (physics), reflection of electromagnetic radiation. Originally, it was an optical instrument using len ...

, a high dispersion

echelle spectrograph An optical spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify mater ...

, and an

iodine Iodine is a chemical element; it has symbol I and atomic number 53. The heaviest of the stable halogens, it exists at standard conditions as a semi-lustrous, non-metallic solid that melts to form a deep violet liquid at , and boils to a vi ...

absorption cell for precise RV measurements, looking for

extrasolar planet An exoplanet or extrasolar planet is a planet outside the Solar System. The first confirmed detection of an exoplanet was in 1992 around a pulsar, and the first detection around a main-sequence star was in 1995. A different planet, first detect ...

s.An East-Asian Extra-Solar Planet Search Network, Izumiura, Hideyuki, 2005
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Discovery

NOTE: HD 119445 b is a brown dwarf candidate.

References

Exoplanet search projects Science and technology in East Asia {{East-Asia-stub