Planetary and Proto-Planetary Nebulae: From IRAS to ISO

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There are two questions that we can ask ourselves in order to describe this workshop. The first question is a double question: why a conference on this subject and why a workshop? The first idea of organizing this workshop came while reading the scientific objectives of one of the instruments onboard the ISO satel­ lite (a phase A document concerning the IR camera). On going through the scientific motivations for building the instrument I realized with surprise that no mention was made of Planetary Nebulae (PN). At present this is no longer true. There is a chapter indicating the capabilities of the camera in the PN field and what we can reasonably expect from that instrument. But it was at this moment that the first idea of organizing a workshop on the subject of PN came. Of course there are other, stronger motivations. The first one is that I think this is the right moment after IRAS. I think we all spent the last two or three years working on IRAS data. IRAS represented a corner-stone for those working on Planetary Nebulae: the amount of data that came out of the instruments onboard the satellite was enormous and opened up new ways of looking at planetary nebulae, as well as at other fields.


Session I..- Infrared emission from young planetary nebulae.- Advances in knowledge of planetary nebulae from UV astronomy.- Status of the spectroscopic survey of planetary nebulae.- Session II..- Announcement - "The Strasbourg-ESO Catalogue of galactic planetary nebulae".- IRAS Additional Observations of planetary nebulae.- Spectroscopy at 8-13pm as a probe of the carbon to oxygen ratio in planetary nebulae.- Session III..- Protoplanetary nebulae.- The evolution from Miras to planetary nebulae as derived from observations of Miras and OH/IR stars.- The position of PN nuclei in the H-R diagram: present status.- On the nitrogen and helium enrichment of the interstellar medium.- Temperatures, luminosities and mass loss rates for PN nuclei.- An outflow model for bipolar planetary nebulae and the case of NGC 6302.- Session IV..- Mass loss and the transition of an AGB star to a central star of a planetary nebula.- Observational constraints to the theory of planetary nebulae evolution.- Session V..- Rambling along a Schoenberner track: nebular evolution and NLTE stellar atmospheres.- Evolution of hot subdwarfs - an empirical approach.- Excitation of planetary nebulae and evolution of their central star.- Ionisation and dynamical structure of planetary nebulae.- Formation and structure of nebulae around symbiotic objects based on radio to x-rays observations (a review).- Session VI..- The peculiar planetary nebula NGC 2346 and its nucleus.- NGC 2346. Visible and IR observations of several mass-loss episodes?.- Infrared and optical spectroscopy of the suspected planetary nebula He 2-77.- Contribution of nebular emission lines to IRAS photometric survey fluxes.- Infrared characteristics of Polycyclic Aromatic Hydrocarbons and the interpretation of IR astronomical spectra.- Near-Infrared photometry of IRAS planetary nebulae.- The effect of line emission on the IRAS data of planetary nebulae.- Session VII..- Modeling the thermal emission from dust in planetary nebulae.- Evolution of dust in planetary nebulae.- Observations of the spectrum of the interplanetary dust emission.- Session VIII..- The Infrared Space Observatory (ISO) project.- Final Discussion..- Discussion introduced by: S.R.Pottasch.- V.Weidemann.- L.F.Rodríguez.- R.S.Clegg.- P.Harrington.- N.Panagia.- M.F.Kessler.- Index of Subjects.- Index of Astronomical Objects.

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Planetary and Proto-Planetary Nebulae: From IRAS to ISO
Proceedings of the Frascati Workshop 1986, Vulcano Island, September 8-12, 1986
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Springer Netherlands
Physik, Astronomie
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