Observational facilities:
Stará Lesná Observatory - a horizontal solar telescope with spectrograph,
photospheric;
Lomnický Peak Coronal Station - a double 20cm coronagraph with a
spectrograph.
Research activities:
- study of rotational characteristics of sunspots and surrounding photospheric
plasma based on own measurements,
- spectral analysis of the quiet and active solar photosphere and chromosphere using spectra from Tenerife VTT observations,
- study of the dynamics and energy transfer in the quiet upper solar atmosphere
from SOHO (SUMER, CDS, EIT) and TRACE satellites data,
- investigation of the coupling of a cosmic ray modulation and solar LDE
flares and also coronal mass ejections,
- derivation of magnetic fields in specific coronal structures using own
eclipse observations,
- analysis of coronal holes and their relation to the background and local
magnetic fields and a relationship between polarization and intensity of
the green line in different coronal structures,
- study of a time-latitudinal distribution and large-scale development of
solar prominences,
- observations of both the 530.3nm and 637.4nm emission coronal lines as
well as the white-light corona to study solar cycles,
- preparation of the homogeneous coronal data set for the 530.3nm coronal
line,
- computation of the coronal index of solar activity.
Jan Rybak
2004-06-11