Accès ouvert déclaré
2025
article
Sunrise III: Overview of Observatory and Instruments
A. Lagg, A. Gandorfer, S. K. Solanki, J. C. del Toro Iniesta, Yukio Katsukawa, P. N. Bernasconi, Thomas Berkefeld, A. Feller, T. L. Riethmüller, A. Álvarez‐Herrero, Masahito Kubo, V. Martı́nez Pillet, H. N. Smitha, D. Orozco Suárez, B. Grauf, M. P. Carpenter, Alexander Graham Bell, María-Teresa Álvarez-Alonso, Daniel Álvarez García, Beatriz Aparicio del Moral, Daniel Ayoub, F. J. Bailén, Eduardo Bailón Martínez, M. Balaguer Jiménez, P. Barthol, Montserrat Bayon Laguna, L. R. Bellot Rubio, Melani Bergmann, J. Blanco Rodríguez, Jan Bochmann, J. M. Borrero, Antonio Campos-Jara, J. S. Castellanos Durán, María Cebollero, A. Rodríguez, W. Deutsch, H. Eaton, A. Fernández-Medina, G. Fernández-Rico, A. Ferreres, Andrés García, Ramón María García Alarcia, P. García Parejo, Daniel Garranzo-García, J. L. Gasent Blesa, Karin Gerber, D. Germerott, L. Gizon, Miguel Angel Gómez Sánchez-Tirado, David González, Alejandro Gonzalo Melchor, Sam Goodyear, Hirohisa Hara, Edvarda Harnes, K. Heerlein, F. Heidecke, David Hernández Expósito, J. Hirzberger, Johannes Hoelken, Sangwon Hyun, F. A. Iglesias, Ryohtaroh T. Ishikawa, Minwoo Jeon, Yusuke Kawabata, M. Kolleck, H. Laguna, A. C. López Jiménez, Paula Manzano, Takuma Matsumoto, David Mayo Turrado, Thimo Meierdierks, Stefan Meining, Markus Monecke, José Miguel Morales-Fernández, Antonio J. Moreno Mantas, A. Moreno Vacas, Marc Ferenc Müller, Reinhard Müller, E. Nakai, A. Núñez Peral, Takayoshi Oba, Geoffrey Palo, Isabel Pérez-Grande, Javier Piqueras Carreño, Tobias Preis, Damien Przybylski, C. Quintero Noda, Sandeep Ramanath, N. E. Raouafi, María-Jesús Rivas-Martínez, P. Martinez, Manuel Rodríguez Valido, B. Ruiz Cobo, A Rodríguez, Antonio Sánchez Gómez, E. Sanchis-Kilders, Kamal Sant, P. Santamarina Guerrero, Erich Schulze, Toshifumi Shimizu, Manuel Silva-López, A. L. Siu-Tapia, Thomas Sonner, J. Staub, H. Strecker, Ángel Tobaruela, Ignacio Torralbo, A. Tritschler, Toshihiro Tsuzuki, Fumihiro Uraguchi, R. Volkmer, A. Vourlidas, Dušan Vukadinović, Stephan Werner, Andreas Zerr
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Le résumé fourni par la source
In July 2024, Sunrise completed its third successful science flight. The Sunrise III observatory had been upgraded significantly after the two previous successful flights in 2009 and 2013. Three completely new instruments focus on the small-scale physical processes and their complex interaction from the deepest observable layers in the photosphere up to chromospheric heights. Previously poorly explored spectral regions and lines are exploited to paint a three-dimensional picture of the solar atmosphere with unprecedented completeness and level of detail. The full polarimetric information is captured by all three instruments to reveal the interaction between the magnetic fields and the hydrodynamic processes. Two slit-based spectropolarimeters, the Sunrise UV Spectropolarimeter and Imager (SUSI) and the Sunrise Chromospheric Infrared spectro-Polarimeter (SCIP), focus on the near-ultraviolet and the near-infrared regions respectively, and the imaging spectropolarimeter Tunable Magnetograph (TuMag) simultaneously obtains maps of the full field-of-view of $46 \times 46$ Mm$^2$ in the photosphere and the chromosphere in the visible. The instruments are operated in an orchestrated mode, benefiting from a new Image Stabilization and Light Distribution unit (ISLiD), with the Correlating Wavefront Sensor (CWS) providing the autofocus control and an image stability with a root-mean-square value smaller than 0.005''. A new gondola was constructed to significantly improve the telescope pointing stability, required to achieve uninterrupted observations over many hours. Sunrise III was launched successfully on July 10, 2024, from the Esrange Space Center near Kiruna (Sweden). It reached the landing site between the Mackenzie River and the Great Bear Lake in Canada after a flight duration of 6.5 days. In this paper, we give an overview of the Sunrise III observatory and its instruments.
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Les sujets associés
History and Developments in Astronomy