Article ID: CBB032304615

Spectrographic observations of the ionized iron coronal emission lines at Pic du Midi Observatory (F) in the mid-60s (2022)

unapi

This paper is dedicated to the memory of Jean Rösch, a great figure in astronomy in the years 1947–1981 who designed, among several innovative devices, a 15-cm spectro-coronagraph. This instrument was installed at Pic du Midi observatory (south-west France), was in use during the mid-60s, fully dedicated to the observation from the ground of the coronal highly ionized iron lines, which was a true challenge at that time. This program is here reconsidered in the context of the time, at Pic du Midi observatory, which has been the cradle of routine visual coronal observations initiated by Bernard Lyot. We take advantage of this review to underline that the goals and objectives of this ground-based coronal program are taken over since 2008, by an Indian team from Bangalore (Indian Institute of Astrophysics), through a space mission (ADITYA-L1 or Sun in Sanskrit), showing a-posteriori the very innovative aspects developed with the help of this 15-cm spectro-coronagraph and thanks to the skills of J. Rösch’s collaborators.

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Authors & Contributors
Orchiston, Wayne
Ishiguro, Masato
Georgelin, Yvon
Sanhueza-Cerda, Carlos
Jean-Marie Malherbe
Lockwood, G. Wesley
Concepts
Solar astronomy
Instruments, astronomical
Astronomy
Sun
Astronomical observatories
Radio astronomy
Time Periods
20th century, late
21st century
19th century
Early modern
Modern
20th century
Places
France
Tokyo (Japan)
Japan
Arizona (U.S.)
United States
Sweden
Institutions
National Aeronautics and Space Administration
Observatorio Astronómico Nacional de Chile
Mont-Blanc Observatory
Lowell Observatory
Hubble Space Telescope
École Normale Supérieure, Paris
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