Flares and Flashes: Proceedings of IAU Colloquium No. 151 Held in Sonneberg, Germany, 5–9 December 1994

Solar flares....Pages 1-13
Flares: The solar-stellar connection....Pages 14-20
Radio emission from flares in single late-type stars....Pages 21-31
High-resolution dynamic spectrum of a spectacular radio burst from AD Leonis....Pages 32-35
VLBI observations of flares in RS CVn binary systems....Pages 36-39
Coherent radio bursts from RS CVn binaries....Pages 40-41
Systematic radio-observations of UX Arietis: Analysis of its variability....Pages 42-43
Radio flares in HR 1099 (V711 Tau)....Pages 44-44
Sunspot proper motion and flare frequency....Pages 45-46
Optical flares: Observations and interpretations....Pages 47-54
The red dwarf star population in the galaxy....Pages 55-56
Kinematics and ages of UV Ceti stars....Pages 57-60
Flare activity among nearby stars....Pages 61-62
Young and old subsystems of flare stars....Pages 63-64
Flare activity and cluster membership probability of flare stars....Pages 65-66
New EUV selected flare stars....Pages 67-68
Flare stars in a field near the North Galactic Pole: ROSAT and optical observations....Pages 69-72
Some results of the coordinated observations of the red dwarf flare star EV Lac in 1986–1994....Pages 73-77
A possible discovery of a flaring 10 12 eV gamma-ray source near the red dwarf EV Lac....Pages 78-79
Short-time flare events of EV Lac....Pages 80-81
Observations of high-frequency activity of EV Lacertae....Pages 82-84
Spectral and photometrical investigation of EV Lac in different states with high time resolution....Pages 85-86
Photoelectric observations of AD Leo: 1989–1994....Pages 87-88
Multifrequency analysis of a UV Ceti flare on 1991 December 31....Pages 89-90
A large amplitude flaring dMe star in the 1978 October 6B γ-ray burst error box....Pages 91-94
A major optical flare on the recently discovered X-ray active dMe star G102-21....Pages 95-96
Flares detected on some late giants: Are they real?....Pages 97-100
BD+47°819, an A-type flare star with peculiar spectrosopic variatons....Pages 101-102
The long-term behaviour of BY Dra....Pages 103-105
CN Com: a typical RS Canum Venaticorum star....Pages 106-107
A long-duration pre-flare dip in the light curve of V1054 Oph....Pages 108-109
Photometric research of pre-flare and extra-flare activity of flare stars....Pages 110-111
Stream parameters in the neighbourhood of the L 1 point in W serpentis-type binaries....Pages 112-114
Monitoring of flare stars at nainital observatory....Pages 115-116
CCD monitoring of flare stars in stellar aggregates....Pages 117-118
Automated search for flare stars continued....Pages 119-120
Flare stars database: Present status....Pages 121-124
Flare star observations with a single-photon counting imaging detector....Pages 125-128
Optical observations on milli-, micro-, and nanosecond timescales....Pages 129-130
MANIA complex — hardware and software for the investigation of optical variability on time scales 10 −7 -10 2 s....Pages 131-132
A new technique for precise stellar photometry: Application to small-scale activity of EV lacertae....Pages 133-134
Flare in late-type stars: UV....Pages 135-145
Post-flare coronal activity on AU Mic detected by EUVE....Pages 146-147
Flares in late-type stars: X-ray....Pages 148-157
Short-duration X-ray transients observed with WATCH on Granat: Are some of them related to stellar flares?....Pages 158-163
ROSAT observation of a giant X-ray flare on the active binary Algol....Pages 164-167
ASCA X-ray spectra of quiescent and flaring emission from AB Doradus....Pages 168-169
X-ray variability of the flare star CC Eri....Pages 170-170
X-ray observations of the dMe star EQ1839.6+8002 in 1980–1993....Pages 171-174
Physical processes during impulsive solar and stellar flares....Pages 175-184
The role of flare stars in cosmic-ray origin....Pages 185-192
Flare activity in Algol-type binaries....Pages 193-194
Influence of coronal mass ejections from the red dwarf component on the accretion pattern in CVs and LMXBs....Pages 195-196
Magnetic field reconnection as a possible source of nonthermal processes in accreting relativistic systems....Pages 197-200
Flares in T Tauri stars....Pages 201-211
Properties of X-ray flares on young stars....Pages 212-215
X-ray flare rate of T Tauri stars in Taurus....Pages 216-217
Middleterm flares in T Tau stars of the Tau — aur complex....Pages 218-220
Activity on T Tauri stars....Pages 221-222
A very active T Tauri star in NGC 7129....Pages 223-226
Polarimetric outbursts in young herbig Ae/Be stars and in peculiar B[e] stars....Pages 227-228
Photometric behaviour of the EXors V1118 Orionis and V1143 Orionis....Pages 229-231
Observations of short-term dips in the Orion variables DD Serpentis and AB Aurigae....Pages 232-233
Hydrogen and helium flashes in cataclysmic variables....Pages 235-244
PU Vul: 15 years of studies, important findings and remaining mysteries....Pages 245-254
Spectral variability and photometric behaviour of the symbiotic nova PU Vul in 1985–1994....Pages 255-259
Photometry of CH Cygni during 1991–1994....Pages 260-261
Long-term photometry of the symbiotic star AG Draconis....Pages 262-263
Space densities of cataclysmic variables and nova recurrence times....Pages 264-267
Extension of the radio spectrum of AE Aqr to the sub-millimetric range....Pages 268-271
The origin of flaring activity in AE Aquarii....Pages 272-275
 UBVRI photometry of AE Aquarii in July–August 1994....Pages 276-277
Flares and flickering in the cataclysmic variable AE Aquarii....Pages 278-279
Time dependence of the UV resonance lines in the cataclysmic variable star VW Hyi....Pages 280-281
The benefit of archival research in investigating dwarf novae....Pages 282-284
Do we see magnetic effects in dwarf nova outbursts?....Pages 285-285
Flares in dwarf novae....Pages 286-287
Flickering in cataclysmic variables: Inventory and perspectives....Pages 288-295
Resolved shot noise in the AM Her system V834 Cen....Pages 296-299
Eclipse mapping the flickering in HT Cas....Pages 300-301
Multiple time scales in cataclysmic variables: The examples....Pages 302-305
X-ray bursts....Pages 307-318
Strong X-ray bursts with expansion: Oscillations due to sound waves in atmospheres....Pages 319-320
Quasi-periodic oscillations and noise in accreting black holes and low-magnetic field neutron stars....Pages 321-329
Detection of nonthermal optical flashes with 10 −3 -10 −1 s duration from some LMXBs....Pages 330-333
TTM observations of X1755-338....Pages 334-335
Irregular X-ray variation of LMC X-3....Pages 336-337
Gamma-ray bursts: Observational overview, searches for counterparts, and BACODINE....Pages 339-352
Observations of γ-ray bursts and solar flares with Granat....Pages 353-357
Observations of high-energy gamma-ray bursts with EGRET....Pages 358-362
Population of short γ-ray bursters — result of gravitational lensing of “quiet” γ-ray sources in remote galaxies....Pages 363-366
Multi-wavelength flashes from GRBs....Pages 367-375
Optical transients....Pages 376-380
Simultaneous optical/gamma-ray observations of GRBs....Pages 381-384
ETC observations of the gamma-ray burst GRB 941014....Pages 385-388
Deep search for optical counterparts of gamma-ray bursters....Pages 389-392
CCD sky monitoring and burst alert....Pages 393-394
The plate collection at the Harvard College Observatory....Pages 395-401
Optical sky monitoring: Past and future....Pages 402-406
The Odessa Sky Patrol plate collection....Pages 407-409
Nova Patrol at Abastumani....Pages 410-411
Wide-field plate database: A progress report....Pages 412-415
GCVS problems with flare stars....Pages 416-418
Detections of neutron stars in the extreme ultraviolet....Pages 419-422
Time variability studies with ROSAT....Pages 423-430
Wide-field cameras for GRB observations in X-rays and EUV....Pages 431-434
Wide-field X-ray optics....Pages 435-438
Flares and flashes: The future....Pages 439-450
After dinner address....Pages 451-453
Resolution....Pages 454-454