A stellar coronograph for the COME-ON-PLUS adaptive optics system

Details A stellar coronograph for the COME-ON-PLUS adaptive optics system A stellar coronograph for the COME-ON-PLUS adaptive optics system

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26as..125..175b&link_type=abstract

A & A Supplement series, Vol. 125, October 1997, 175-182.

Astronomy and Astrophysics

Astronomy

25

Atmospheric Effects, Methods: Data Analysis, Instrumentation: Miscellaneous, Stars: Circumstellar Matter

Scientific paper

The detection of faint emissions very close to much brighter objects is required in several different fields of astrophysics, for example in the search for planetary disks. We present here a coronograph that we built to work with come-on-plus, the ESO adaptive optics system, high angular resolution being of key importance in allowing observations close to a central, occulted object. The first results are presented and analyzed in order to establish the performance of this instrument in terms of contrast and detectability of faint emissions close to a central star. Based on observations collected at the European Southern Observatory, La Silla, Chile.

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