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UVMag: a UV and optical spectropolarimeter for stellar physics

Published online by Cambridge University Press:  07 August 2014

Coralie Neiner ,
Pascal Petit ,
Laurent Parès  and
the UVMag consortium
Coralie Neiner
Affiliation:
LESIA, UMR 8109 du CNRS, Observatoire de Paris, UPMC, Univ. Paris Diderot, 5 place Jules Janssen, 92195 Meudon Cedex, France email: [email protected]
Pascal Petit
Affiliation:
IRAP, CNRS, UPS-OMP, 14 Avenue Edouard Belin, 31400 Toulouse, France
Laurent Parès
Affiliation:
IRAP, CNRS, UPS-OMP, 14 Avenue Edouard Belin, 31400 Toulouse, France
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Abstract

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UVMag is a space project currently under R&D study. It consists in a medium-size telescope equipped with a spectropolarimeter to observe in the UV and optical wavelength domains simultaneously. Its first goal is to obtain time series of selected magnetic stars over their rotation period, to study them from their surface to their environment, in particular their wind and magnetospheres. As the star rotates it will be possible to reconstruct 3D maps of the star and its surroundings. The second goal of UVMag is to obtain two observations of a large sample of stars to construct a new database of UV and optical spectropolarimetric measurements.

Keywords

instrumentation: polarimetersinstrumentation: spectrographsultraviolet: starsstars: magnetic fieldsstars: windsoutflowsstars: activitystars: chromospheres
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S302: Magnetic Fields throughout Stellar Evolution , August 2013 , pp. 348 - 349
Copyright
Copyright © International Astronomical Union 2014 

References

Gómez de Castro, A. I., Appourchaux, T., Barstow, M., Barthelemy, M., Baudin, F., et al. 2013, arXiv, 1306.3358Google Scholar
Sparks, W., Germer, T. A., MacKenty, J. W., & Snik, F. 2012, Applied Optics, 51, 5495CrossRefGoogle Scholar