TNO, occultation, and high angular resolution astronomy
Institute of Astronomy and Astrophysics, Academia Sinica, PO Box 23-141, Taipei 106, Taiwan, R.O.C.
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The trans-Neptunian region is a new frontier in the solar system research. Occultation is currently the only way to detect a trans-Neptunian object (TNO) of typical comet-size in that region. By monitoring thousands of stars at a cadence of about 10 Hz, any TNO event will enable astrometry at sub-milli-arcsec level. The status of related researches is summarized.
© Owned by the authors, published by EDP Sciences, 2011