Summary: A&A manuscript no.
(will be inserted by hand later)
Your thesaurus codes are:
02.01.3; 06.20.1; 06.03.2; 06.21.1
The Solar Transition Region: A timevarying interface
between the chromosphere and corona?
E. O'Shea 1 , J.G. Doyle 2 , and F.P. Keenan 1
1 Dept. of Pure & Applied Physics, The Queen's University of Belfast, Belfast BT7 1NN, N.Ireland
2 Armagh Observatory, College Hill, Armagh BT61 9DG, N. Ireland
Received date, accepted date
Abstract. Using joint observations taken with the CDS
and SUMER instruments onboard SOHO, we reexamine
the solar transition region in an attempt to determine
whether it is decoupled from the overlying coronal re
gion. Line ratios calculated from temporal series observa