A Sounding Rocket Experiment for the Chromospheric Lyman-Alpha Spectro-Polarimeter (CLASP)

0435543 - ASÚ 2015 RIV US eng C - Conference Paper (international conference)
Kubo, M. - Kano, R. - Kobayashi, K. - Bando, T. - Narukage, N. - Ishikawa, R. - Tsuneta, S. - Katsukawa, Y. - Ishikawa, S. - Suematsu, Y. - Hara, H. - Shimizu, T. - Sakao, T. - Ichimoto, K. - Goto, M. - Holloway, T. - Winebarger, A. - Cirtain, J. - de Pontieu, B. - Casini, R. - Auchere, F. - Trujillo Bueno, J. - Manso Sainz, R. - Belluzzi, L. - AsensioRamos, A. - Štěpán, Jiří - Carlsson, M.
A Sounding Rocket Experiment for the Chromospheric Lyman-Alpha Spectro-Polarimeter (CLASP).
Solar Polarization 7. San Francisco: Astronomical Society of the Pacific, 2014 - (Nagendra, K.), s. 307-317. ASP Conference Series, 489. ISBN 9781583818633.
[Solar Polarization 7. Kunning (CN), 09.09.2013-13.09.2013]
R&D Projects: GA ČR GPP209/12/P741
Institutional support: RVO:67985815
Keywords : magnetic fields * polarization * scattering
Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics

A sounding-rocket experiment called the Chromospheric Lyman-Alpha Spectro-Polarimeter (CLASP) is presently under development to measure the linear polarization profiles in the hydrogen Lyman-alpha (Lyα) line at 121.567 nm. CLASP is a vacuum-UV (VUV) spectropolarimeter to aim for first detection of the linear polarizations caused by scattering processes and the Hanle effect in the Lyα line with high accuracy (0.1%). This is a fist step for exploration of magnetic fields in the upper chromosphere and transition region of the Sun. Accurate measurements of the linear polarization signals caused by scattering processes and the Hanle effect in strong UV lines like Lyα are essential to explore with future solar telescopes the strength and structures of the magnetic field in the upper chromosphere and transition region of the Sun. The CLASP proposal has been accepted by NASA in 2012, and the flight is planned in 2015.
Permanent Link: http://hdl.handle.net/11104/0239382