UNSW Canberra

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Now showing 1 - 4 of 4
  • (1998) Stolovy, S; Young, E; Thompson, Roger; Rieke, M; Schneider, G; Burton, Michael; Erickson, E; Kaufman, Michael; Colgan, Sean; Chrysostomou, A; Axon, D
    Conference Paper
    The core of OMC--1 has been imaged with NICMOS on the Hubble Space Telescope at 0.2'' resolution in 1% filters at 2.12 and 2.15mu m, revealing intricate structures in both continuum and shocked molecular hydrogen line emission. Numerous H_2-emitting clumps surrounding the BN/KL region have been resolved for the first time, several of which exhibit prototypical bow-shock morphologies with V-shaped tips. We interpret these to be lower-excitation analogs of similar structures ~ 2' NW of the core observed with ground based telescopes. Many of the elongated H_2 structures and bow-shock features appear to radiate outward from a region within a few arcseconds of radio source 'I', suggesting that the H_2 energetics are dominated by one or more outflow sources in this region. However, the orientations of some features are unrelated to this apparent outflow pattern. The deeply embedded, suspected outflow source `I' remain s undetected at 2 mu m, although two faint new continuum sources have be en detected within ~ 1'' of it. The newly resolved H_2 features with bow-shock morphologies are located in regions previously identified as bow-shocks by highly blueshifted components in their line profiles. Several continuum features have an arc-like appearance, suggesting interactions of winds with the ambient medium. At least 40 stellar or protostellar continuum sources have been detected, including at least one proplyd and four pairs of binary stars.

  • (1996) George Mulgan, Aurelia
    Conference Paper
    This paper addresses the domestic and international security policy implications of Japan's venture into the field of United Nations peacekeeping operations. In particular it raises two issues on which the evolution of Japan's regional and international role is contingent: the first is the extent of Japan's ability and willingness to participate in collective security in a U.N. context; the second is Japan's ability and willingness to make military contributions to regional security in the context of the U.S.- Japan alliance.

  • (2001) Thayer, Carlyle
    Conference Paper
    In December 1986 the sixth national congress of the Vietnam Communist Party (VCP) adopted a reform program that has since become widely known as doi moi.

  • (2005) Eggert, Paul
    Conference Paper
    Some fundamental questions about the nature of texts have been asked by members of the encoding community as they have struggled to define what it is that they are encoding. This ought not to be surprising. The act of encoding involves a blatant intervention in text-files of a kind that scholarly editors in the print domain are normally shielded from, however heroic their emendation of corrupted wording may be. They have typically treated many aspects of the physical presentation of text as irrelevant to their pursuit. However, this self-preserving instinct finds itself in a tighter corner in the electronic domain where complete specification is crucial for computer processing.