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Proposal ID Solanki_57

Date of Proposal
96/12/18

firstname
Sami

lastname
Solanki

institute
Institute of Astronomy

address
Institute of Astronomy
ETH-Zentrum
CH-8092 Zurich
SWITZERLAND

email
solanki@astro.phys.ethz.ch

phone
+41 - 1 - 632 3810

fax
+41 - 1 - 632 3805

proposal
JOP 53

In the solar photosphere magnetic and thermal structures show
substantial power at small scales. In the upper chromosphere the
magnetic field is considerably more homogeneous and covers the
complete solar surface. The size of features and their brightness
does not scale correspondingly, with considerable small-scale
structure seen at all but possibly the highest transition region
temperature.
We propose to record the size, location and brightness of
individual features at different temperatures and to reconstruct
their geometry as far as possible therefrom. This geometry should
provide constraints on the heating mechanism. We propose to
deconvolve images obtained by SUMER, CDS and EIT in order to
obtain a better estimate of size and brightness of small-scale
features. The deconvolution is to be carried out using various
techniques, including recently developped wavelet-based
techniques. We also propose to use MDI magnetogram to help with
the interpretation of the data.

inside_collab
J. Gurman

consortium
no

topic
Bright Points

topic
Bright points

title
Size and brightness of features in the upper solar atmosphere (JOP 53)

update added on 1998/03/16 at 08:14:54
We work on coalignment of EIT,CDS,SUMER and MDI images.


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