Titlebook: Circumstellar Matter 1994; Proceedings of an In G. D. Watt,P. M. Williams Conference proceedings 1995 Springer Science+Business Media Dordr

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Conference proceedings 1995dinburgh, on Blackford Hill in 1884. Circumstellar Matter was selected as the topic because of important contributions toward research in the field by recent observations in the infrared and submillimetre, particularly with the two telescopes which the Observatory has both operated and built instru-

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Near-IR Spectroscopy and the Photospheres of Embedded YSOsnresolved .CO(2–0) bandhead, which when combined with inferred CO excitation temperatures and optical depths clearly points to a photospheric rather than a disk origin for the bands. They also show that embedded Class Its are not rapidly rotating.

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Theoretical Modelling of SiO Maser LineshapesR regimes can produce peculiar lineshapes. When many maser ‘cells’ were considered, distributed at random in the stellar envelope, the individual lineshapes were combined to produce synthetic spectra. Maser action is predicted in higher rotational transitions than those observed to date, for example the J=7-6 transition of v=2.

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Sub-Mm and Far-Infrared Continuum Observations of Herbig-Haro Exciting Stars and Other YSO’syed on mm to FIR colour-colour diagrams, with the aim of trying to discriminate between different stages of star formation through general spectral characteristics, rather than detailed model fits to individual sources.

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Extended Structures around YSO in Mid-IR Broad Emission Featuresin these clouds which do not exhibit UIR features (Elias 29 and R CrA) shows these sources to be point-like. We have produced morphological models based on the mid-IR images for the observed extended structures.

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rvatory, Edinburgh, on Blackford Hill in 1884. Circumstellar Matter was selected as the topic because of important contributions toward research in the field by recent observations in the infrared and submillimetre, particularly with the two telescopes which the Observatory has both operated and bui

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