Y. Reinert

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Publications (2)0 Total impact

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    Article: Site testing for submillimetre astronomy at Dome C, Antarctica
    P. Tremblin, V. Minier, N. Schneider, G. Al. Durand, M. C. B. Ashley, J. S. Lawrence, D. M. Luong-Van, J. W. V. Storey, G. An. Durand, Y. Reinert, C. Veyssiere, C Walter, P. Ade, P. G. Calisse, Z. Challita, E. Fossat, L. Sabbatini, A. Pellegrini, P. Ricaud, J. Urban
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    ABSTRACT: Over the past few years a major effort has been put into the exploration of potential sites for the deployment of submillimetre astronomical facilities. Amongst the most important sites are Dome C and Dome A on the Antarctic Plateau, and the Chajnantor area in Chile. In this context, we report on measurements of the sky opacity at 200 um over a period of three years at the French-Italian station, Concordia, at Dome C, Antarctica. We also present some solutions to the challenges of operating in the harsh polar environ- ment. Dome C offers exceptional conditions in terms of absolute atmospheric transmission and stability for submillimetre astron- omy. Over the austral winter the PWV exhibits long periods during which it is stable and at a very low level (0.1 to 0.3 mm). Higher values (0.2 to 0.8 mm) of PWV are observed during the short summer period. Based on observations over three years, a transmission of around 50% at 350 um is achieved for 75% of the time. The 200-um window opens with a typical transmission of 10% to 15% for 25% of the time. Dome C is one of the best accessible sites on Earth for submillimetre astronomy. Observations at 350 or 450 {\mu}m are possible all year round, and the 200-um window opens long enough and with a sufficient transparency to be useful. Although the polar environment severely constrains hardware design, a permanent observatory with appropriate technical capabilities is feasible. Because of the very good astronomical conditions, high angular resolution and time series (multi-year) observations at Dome C with a medium size single dish telescope would enable unique studies to be conducted, some of which are not otherwise feasible even from space.
    10/2011;
  • Article: Dome C: the best accessible site on Earth for submillimetre astronomy
    P. Tremblin, N. Schneider, V. Minier, G. Durand, Y. Reinert, M. Busso, L. Sabbatini, J. W. V. Storey, J. Urban, P. Calisse, C. Veyssière
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    ABSTRACT: We present preliminary results of the measurements of sky transparency conducted at Dome C during the winter 2008. Using MOLIERE modeling, we estimate a low precipitable water vapour content above Concordia station, which is very promising for future submillimetre wave observations on the Antarctic Plateau.
    http://dx.doi.org/10.1051/eas/1040047.
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