Surface Inhomogeneities on Late-Type Stars: Proceedings of a Colloquium Held at Armagh Observatory, Northern Ireland 24–27 July 1990

Surface inhomogeneities on late-type stars....Pages 1-14
Models of starspots and results....Pages 15-26
Information limit optimization: Starspot solutions for eclipsing RS CVn systems....Pages 27-29
Major changes in polar starspots on V833 Tau....Pages 30-32
Modelling stellar photospheric spots using spectroscopy....Pages 33-45
Comparisons between Doppler Imaging and starspot modelling....Pages 46-49
The polar-spot structure on HD26337....Pages 50-53
Ultraviolet imaging of plage regions on late-type stars....Pages 54-68
A new approach to doppler imaging of late-type stars....Pages 69-74
Fluorescence-induced surface inhomogeneities and ejection and trapping of plasma by the K dwarf component of V471 Tauri....Pages 75-77
Influence of starspots on internal stellar structure....Pages 78-84
The synchronization of binary components from the motion of starspots....Pages 85-89
Spectroscopic signatures of active regions on main sequence stars....Pages 90-93
Physical models of solar and stellar spots....Pages 94-107
Lithium in RS CVn binaries and related chromospherically active stars....Pages 108-112
Relationship of starspots to other indicators of stellar activity....Pages 113-123
Sunspots: An observational overview....Pages 124-138
Mapping magnetic fields on rapidly rotating stars....Pages 139-141
CaII K line observations of solar stars....Pages 142-146
UV observations of sunspots....Pages 147-162
Starspot lifetimes from long-term photometry....Pages 163-166
The effect of surface inhomogeneities on total solar irradiance....Pages 167-180
Oscillations & seismological diagnostics of sunspots....Pages 181-191
Surface mapping of slowly rotating, cool stars using line bisector variations....Pages 192-196
Surface brightness characteristics of W Ursae Majoris....Pages 197-200
Automated photometric telescopes in the study of active stars....Pages 201-215
Modelling inhomogeneities on B and A type magnetic peculiar stars....Pages 216-219
Surface inhomogeneities on Capella....Pages 220-223
Multi-site spectroscopic networks for the study of late-type stars....Pages 224-228
Flaring and quiescent X-ray emission from the RS CVn system II Peg....Pages 229-232
Summary and conclusions....Pages 233-244
The August 1989 Spot lightcurve of II Peg and related flare activity....Pages 245-249
Spot characteristics of contact binaries....Pages 250-252
Observations of AB Dor at 8.4 GHz and interpretation....Pages 253-254
Optical photometry & UV spectroscopy of CC Eri IN Nov 1989....Pages 255-257
Numerical simulations of flares on late-type stars: Hydrodynamics and X-ray spectra....Pages 258-260
Non-local thermal conduction in solar and stellar coronal loops....Pages 261-263
Phase dependent variations of the H α line in chromospherically active stars....Pages 264-266
Long-term variability of active stars....Pages 267-269
Vilnius photometry of the typical and suspected chromospherically active stars....Pages 270-272
The UV spectrum of the RS CVn binary SZ PSc....Pages 273-275
Short time-scale changes in the V-band light-curve of II Peg: Flare, companion or prominence?....Pages 276-278
Proposed upgrade of the McMath solar/stellar Telescope to a 4 m aperture....Pages 279-280
Surface inhomogeneity on T Tau stars and the structure of their stellar winds....Pages 281-283
On the dynamics of the emerging pre-flare magnetic configuration....Pages 284-285
Spots of AR Lacertae....Pages 286-288
Modelling of the large X-ray flare on II Peg observed with GINGA ....Pages 289-291
Light curve analysis of stars with more than one spot....Pages 292-294
A semi-analytical model of stellar flares....Pages 295-297
Sunspot group braking and photometric period variations in spotted stars....Pages 298-302
Statistics of magnetic cycles in late-type single and close binary stars....Pages 303-306
On an unusual correlation for flare stars....Pages 307-308
On spectra of some pleiades flare stars....Pages 309-311
Electron densities and temperatures in solar and stellar atmospheres....Pages 312-314
On the AR Lac active regions....Pages 315-318
A search for rotational modulation of the lithium line in spotted stars....Pages 319-321
FK Comae — A decrease of the period?....Pages 322-324
On variability of TZ Ori....Pages 325-326
Li abundances and chromospheric activity in F, G and K southern stars....Pages 327-330
X-rays from both components of the flare star binary Gliese 867....Pages 331-333
Characterization of long-term X-ray variability in a sample of late-type stars....Pages 334-337
Radial velocity measures of suspected chromospherically active and RSCVn-like stars....Pages 338-339
Optical properties of cool stars discovered by EXOSAT....Pages 340-342