Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010a%26a...521a..21o&link_type=abstract
Astronomy and Astrophysics, Volume 521, id.A21
Astronomy and Astrophysics
Astrophysics
32
Sun: Activity, Sun: Atmosphere, Sun: Corona, Sun: Uv Radiation
Scientific paper
Aims: We examine the contribution of spectral lines and continuum emission to the EUV channels of the Atmospheric Imaging Assembly (AIA) on the Solar Dynamics Observatory (SDO) in different regions of the solar atmosphere. Methods: Synthetic spectra were obtained using the CHIANTI atomic database and sample differential emission measures for coronal hole, quiet Sun, active region and flare plasma. These synthetic spectra were convolved with the effective area of each channel, in order to determine the dominant contribution in different regions of the solar atmosphere. Results: We highlight the contribution of particular spectral lines which under certain conditions can affect the interpretation of SDO/AIA data.
Del Zanna Giulio
Mason Harris E.
O'Dwyer B.
Tripathi Durga Dutt
Weber Mark A.
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