LYRA Mid-Term Periodicities

Autor: Ingolf Dammasch, Marie Dominique, Laurence Wauters

Publikováno v: Solar Physics. 291:2135-2144

The spectra of the PROBA2/LYRA data, similarly to every other solar time series, show predominant periodicities that can be of solar or instrumental origin. In this article, we compare the main periodicities characterizing the LYRA spectrum to those

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::466df004282c29b9ce943a4cd6948edf
https://doi.org/10.1007/s11207-016-0960-8

In-flight performance of the solar UV radiometer LYRA/PROBA-2

Autor: Ingolf Dammasch, Jean-Marc Defise, S. Koller, Werner Schmutz, J.-F. Hochedez, Udo Schühle, Marie Dominique, Jean-Philippe Halain, Yvan Stockman, Ali BenMoussa

Publikováno v: International Conference on Space Optics — ICSO 2010.

I. INTRODUCTION LYRA is a solar radiometer, part of the PROBA-2 micro-satellite payload (Fig. 1). The PROBA-2 [1] mission has been launched on 02 November 2009 with a Rockot launcher to a Sun-synchronous orbit at an altitude of 725 km. Its nominal op

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0f9fbadea9b5cba2c11b1be395c29e48
https://doi.org/10.1117/12.2309149

Response of the low ionosphere to X-ray and Lyman-α solar flare emissions

Autor: Jean-Pierre Raulin, Matthieu Kretzschmar, Edith L. Macotela, Fernando C. P. Bertoni, Ingolf Dammasch, Gerard Trottet, Alessandra Abe Pacini

Publikováno v: Journal of Geophysical Research: Space Physics. 118:570-575

[1] Using soft X-ray measurements from detectors onboard the Geostationary Operational Environmental Satellite (GOES) and simultaneous high-cadence Lyman-a observations from the Large Yield Radiometer (LYRA) onboard the Project for On-Board Autonomy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::46fa3dab8c6bb9e9c68ec59cfcd0caac
https://doi.org/10.1029/2012ja017916

THE EMISSION MEASURE OF THE SOLAR LOWER TRANSITION REGION (2 × 104-2 × 105K)

Autor: Enrico Landi, U. Feldman, Ingolf Dammasch

Publikováno v: The Astrophysical Journal. 693:1474-1483

We analyze Solar Ultraviolet Measurements of Emitted Radiation (SUMER) spectra in the 750-790 A wavelength range from 12 different solar regions on the disk to measure the thermal structure of the lower transition region (LTR). We considered four cor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4af88480e4d897a8864e474c61dc6a5
https://doi.org/10.1088/0004-637x/693/2/1474

Degradation assessment of LYRA after 5 years on orbit : Technology Demonstration

Autor: T. Saito, Alexander Gottwald, N. Bourzgui, Ali BenMoussa, Udo Kroth, S. Gissot, Andrew R. Jones, Jean-François Hochedez, B. Giordanengo, Udo Schühle, Ali Soltani, Marie Dominique, Ingolf Dammasch

Publikováno v: Experimental Astronomy
Experimental Astronomy, Springer Link, 2015, 30 (1), pp.29-43. ⟨10.1007/s10686-014-9437-7⟩
Experimental Astronomy, 2015, 30 (1), pp.29-43. ⟨10.1007/s10686-014-9437-7⟩

International audience; We present a long-term assessment of the radiometric calibration and degradation of the Large Yield Radiometer (LYRA), which has been on orbit since 2009. LYRA is an ultraviolet (UV) solar radiometer and is the first space exp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd716dfa7ae1df428c26ec7d431fba51
https://hal.archives-ouvertes.fr/hal-01102475/document