Pushing the limit of instrument capabilities

Shulyak, Denis V. ; Weiss, Werner W. ; Mathys, Gautier ; Eyer, Laurent ; Kholtygin, Alexander F. ; Kochukhov, Oleg ; North, Pierre ; Fabrika, Sergey N. ; Burlakova, Tatyana E.

In: Proceedings of the International Astronomical Union, 2009, vol. 5, no. H15, p. 142-150

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    Summary
    Chemically Peculiar (CP) stars have been the subject of systematic research for more than 50 years. With the discovery of pulsation of some of the cool CP stars, and the availability of advanced spectropolarimetric instrumentation and high signal-to-noise, high resolution spectroscopy, a new era of CP star research emerged about 20 years ago. Together with the success in ground-based observations, new space projects are developed that will greatly benefit future investigations of these unique objects. In this contribution we will give an overview of some interesting results obtained recently from ground-based observations and discuss the future outstanding Gaia space mission and its impact on CP star research