Detecting Earth-like Extra-solar Planets from Antarctica by Gravitational Microlensing

Details Detecting Earth-like Extra-solar Planets from Antarctica by Gravitational Microlensing Detecting Earth-like Extra-solar Planets from Antarctica by Gravitational Microlensing

Jan 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cha%26a..31..101y&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 31, Issue 1, p. 101-108.

Astronomy and Astrophysics

Astrophysics

Scientific paper

Earth-like extra-solar planets may be detected with 1 2 m class telescopes using the gravitational microlensing technique. The essential requirement is the ability to be able to carry out continuous observations of the Galactic bulge. A telescope situated at Dome A or Dome C in Antarctica would be eminently suitable. Two possible observing strategies are described here. One employs a 1m visible (V and I passbands) telescope, the other a 2 m wide-field near infrared telescope. Either telescope could allow a rough measurement of the abundance of Earth-like planets in the Milky Way to be made in a few years. Useful measurements could also be made on stellar atmospheres.

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