WHT Achieves First Direct Detection of an Extra-solar Planet

Details WHT Achieves First Direct Detection of an Extra-solar Planet WHT Achieves First Direct Detection of an Extra-solar Planet

Mar 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ingn....2....3c&link_type=abstract

The Newsletter of the Isaac Newton Group of Telescopes (ING Newsl.), issue no. 2, p. 3-4

Other

Wht, Extrasolar, Planet, High-Resolution Spectroscopy

Scientific paper

The last few years have seen huge advances in the quest to discover and characterise planetary systems orbiting stars other than the Sun. During the 1980s, infrared and mm-wave observations revealed a high incidence of solar system-sized dusty discs around T Tauri stars and young main-sequence stars. These both confirmed that our own planetary system originated in a flattened, rotating disc of dust and gas, and suggested that planetary systems should be commonplace around other solar-type stars. The expectation was that our own system would turn out to be fairly typical. Small rocky planets should condense from refractory dust grains in the warm inner disc. Giant planets, with cores of a few Earth masses composed of dust grains with ice mantles, could sweep up the large amounts of gas available in the outer parts of the disc.

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