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• W1663055760 abstract "Fifteen years of Sonderforschungsbereich in Heidelberg: Research on circumstellar matter.- Bipolar Flows, Jets and Protostars.- Star formation and the circumstellar matter of young stellar objects.- Circumstellar matter of young low-mass stars: Observations versus theory.- Bipolar flows and jets from stars of different spectral types: Observations.- Theory of bipolar flows and jets from young stars.- Radio emission from young stellar objects in the Rho Ophiuchi cloud.- Circumstellar radio emission from pre-main sequence stars.- Circumstellar matter around the candidate protostar EL29.- Circumstellar dust around FU Orionis stars.- The extended infrared radiation from the L1551 bipolar flow, L > 19L?.- CO observations of gas surrounding B335 (IR) and L1551-IRS5.- Hypersonic jets from young stars in molecular clouds.- A precessing jet in L1551.- Evidence for helical velocity field in molecular bipolar flows - Support for magnetodynamic model.- Molecular outflows and mass loss in pre-main-sequence stars.- Interferometric images of 13C0 emission toward HL Tau.- V645 Cyg - On the structure of a YSO.- On the line profiles of shell-shaped bipolar outflows.- A model of molecular emission in bipolar flows.- Star formation in the southern complex region NGC 3576.- Star formation in CHA T1.- An observational study of the Herbig Ae star VV Serpentis, and of R-stars associated with its dark cloud.- Multiple dust shells around Herbig Ae/Be stars.- Neutral oxygen in Herbig Ae stars.- The circumstellar environment of chromospherically active T Tauri stars.- Stellar wind flows in T Tauri stars.- The naked T Tauri stars: The low mass pre-main sequence unveiled.- The circumstellar environments and variability of RY and RU Lup.- Near-IR observations of the SSV 13, SSV 9, SSV 5 sources in NGC 1333.- Serpens-SVS 20: A new infrared double source.- GSS 31: Another T Tauri star with an infrared companion.- The EINSTEIN survey of the young stars in the Orion nebula.- Consistent spherical NLTE-models for BN-like objects.- Infrared observations of GGD objects.- Dust distribution near young stars of bipolar flows deduced from CCD polarimetry at 1 m.- Evidence from optical polarimetry for spiral structure in the magnetic field and cloud density around newly-formed stars.- Circular polarization in T Tauri stars.- A polarization outburst in the T Tauri star UY Aurigae.- Polarization measurements of some T Tauri star.- Polarization measurements in B5, L1 34 and Heiles Cloud 2 and evidence of newly born stars.- On the nature of protostellar H2O masers.- Magnetic flux dissipation during the contraction of a magnetic protostellar gas cloud.- Herbig-Haro Objects.- Recent observations of Herbig-Haro objects, optical jets, and their sources.- Theoretical models of Herbig-Haro objects.- TH 28 : A new bipolar Herbig-Haro jet.- HH34 : The bow shock of a jet.- Observations of jets from young stars.- Dense cores in the HH24-26 outflow region.- Herbig-Haro emission in two bipolar reflection nebulae.- Shock excited emission knots in cometary reflection nebula.- Bow shock models of Herbig-Haro objects.- Observational tests of the bow shock theory of Herbig-Haro objects.- Filtered CCD images of southern Herbig-Haro objects.- Detection of collimated bipolar mass flow in HH24.- A jet model of Herbig-Haro objects.- Circumstellar Shells and Envelopes.- lRAS results on circumstellar shells.- 1612 MHz observation of Southern IRAS sources.- Circumstellar matter as detected by IRAS - Some systematics.- Contribution of line emission to the IRAS measurements: NGC 6853.- Is there a signature of ice in the IRAS LRS spectra of some Mira variables?.- A statistical analysis of dust features in the IRAS low resolution spectra.- On the infrared excess of Alpha Lyrae.- IRAS observations of classical Cepheids.- Circumstellar envelopes of OH-IR sources.- Detection of the first extra-galactic OH-IR star.- OH masers in envelopes of late type stars.- Infrared speckle interferometry of OH-stars.- OH 0739-14: An old star blowing bubbles.- A model for maser line profiles of late-type stars.- Shock waves - The trigger mechanism of SiO masers in circumstellar envelopes of cool giants and supergiants.- Theory of circumstellar envelopes.- Studies of variability of circumstellar H20 masers.- Mass-Loss from Cool Stars.- What is the essential physics of mass loss from late-type stars?.- Theory of winds from cool stars.- What do binaries teach us about mass-loss from late-type stars?.- Chromospheric density distribution, opacity, ionization and wind-acceleration of 3 K supergiants in ? Aurigae systems.- ? Andromedae (K3 III): A hybrid giant in an extended dust shell.- Modelling the outer atmospheres and winds of K giant stars.- Acoustic wave driven mass loss in late-type giant stars.- Circumstellar shells of A-K luminous supergiants.- Circumstellar envelope of the supergiant 89 Herculis.- Stellar Coronae : Chromospheres of Cool Stars.- Observations of stellar coronae.- Theory of stellar coronae.- Evidence for stellar chromospheres in globular clusters.- Emission measures and heating mechanisms for stellar transition regions and coronae.- On the existence of hot coronae around cool stars.- Evidence for extended chromospheres and transition zones in the uv spectra of FK Comae stars.- Discovery of FK Comae and RS CVn systems by observation of their X-ray emission.- Relations between coronal and chromospheric activity diagnostics in T Tauri stars.- What can be learnt from full disk X-ray observations of stellar flares?.- Circumstellar CaII lines in R Leo.- CO molecule in transition region between chromosphere and cool stellar wind: A new probe on the outer atmospheres of cool luminous stars.- Infrared and radio excesses of late-type stars.- Chemical composition and circumstellar shells of carbon stars - Any obvious relations?.- Images of the envelope of Alpha Orionis.- Mira model photospheres.- A new treatment of water vapor opacity.- Neutral component of the outerstellar medium in the vicinity of the Sun.- Mass Loss from Hot Stars.- Theory of winds from hot stars.- Some observations relevant to the theory of extended envelopes.- Luminous blue variables - An evolutionary picture.- An extended nebulosity surrounding the S Dor variable R127.- A method for calculation of line profiles in expanding atmospheres: Application to winds from central stars of planetary nebulae.- The velocity law of P Cygni.- The detection of a circumstellar shell around P Cygni by direct CCD imaging.- On the puzzling line spectrum of the B[e]-supergiant R4 of the SMC.- A compact nebulosity surrounding the peculiar blue emissionline supergiant HD 37836 of the LMC.- Evidence for disks around certain luminous Magellanic cloud stars from the study of FeII.- The 06.5 IIIf star BD + 60 2522 and its interaction with the surrounding interstellar medium.- The unstable 06.5f?p star HD 148937 and its interstellar environment.- Ionization fractions and mass-loss in O stars.- Dynamical effects of stellar winds and associated HII regions on the interstellar medium.- Episodic dust formation in the wind of HD 193793.- Dust formation in, and the structure of Wolf-Rayet Stellar winds.- Wolf-Rayet nebulae - Enrichment in He and N and effective temperatures of Wolf-Rayet stars.- The behaviour of ?4686 line of He, II in Wolf-Rayet binaries.- Upper limits for the effective temperature of Wolf-Rayet stars from the presence of He I.- The effects of boundary conditions on stellar evolution.- A preliminary model for HR 8752.- Symbiotic Stars.- The R Aquarii jet.- Spectroscopy and polarimetry of the R Aquarii system.- Variation of linear polarization in R Aquarii system.- Far infrared observations on the peculiar variable star R Aquarii.- The enigma of RX Puppis.- A non-eclipsing binary model of the symbiotic star AG Dra.- Polarimetry of southern symbiotic stars.- UV and optical spectroscopy of CH Cygni in 1980-86.- Jets from symbiotic stars.- The circumstellar matter in the Be + K binary KX And seen in the uv spectra.- Planetary Nebulae.- Near IR observations of IRAS planetary nebulae.- Atomic hydrogen in the planetary nebula IC 4997.- Evidence of a circumstellar dust cloudlet orbiting around the central star of NGC 2346.- CO in planetary nebulae.- Anomalous [NII] - emission from Mz-3.- How unique is the protoplanetary nebula star HR 4049?.- Millimeter wave observations of circumstellar envelopes with the IRAM telescope.- Circumstellar Dust and Chemistry.- Formation and destruction of dust grains in circumstellar regions.- Molecular catastrophes and the formation of circumstellar dust.- Dust formation in M-stars.- The dust envelope of IRC + 10216.- Optical/infrared observations of RV Tauri stars.- Slow variability and circumstellar shells of red variable stars.- Dust formation in C-star shells.- Possible role of the white dwarf in grain formation in CV systems.- Nucleation in novae.- Circumstellar chemistry of cool evolved stars.- The chemistry of cool circumstellar envelopes.- Investigation of circumstellar shells by mid-infrared heterodyne spectroscopy.- The circumstellar environment of L2 Puppis.- Temperature distributions in circumstellar dust shells.- Experimental studies on simulated circumstellar grains.- Future Plans.- NASA plans relevant to the study of circumstellar matter.- Concluding Remarks.- Circumstellar matter, with particular reference to jets and molecular flows.- Name Index.- Object Index." @default.
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• W1663055760 date "1987-01-01" @default.
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• W1663055760 title "Circumstellar matter : proceedings of the 122nd Symposium of the International Astronomical Union held in Heidelberg, F.R.G., June 23-27, 1986" @default.
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