... Consideration of the development of the nebula shows that in the early stages it is the ionization of the aspherical AGB wind that contributes considerably to the shaping of the nebula. ...
... Neutral gas bubbles surrounding southern optical ring nebulae: Anon (WR 23) and RCW ... D., McCONNELL, D. & DESHPANDE, A.A. "The radio nebula surrounding the Vela pulsar ...
... rest frame, there is zero power emitted at angle 0 = =2, and so in the lab frame we have 3.2 Tangled magnetic elds 29 Figure 3.1: Diagram showing the e ect of relativistic motion at right angles to accel- eration. a) Dipole radiation pattern from a non ...
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Ссылки http://www.atnf.csiro.au/people/Matthew.Whiting/thesis/ch3.ps.gz -- 125.5 Кб -- 29.03.2006 Похожие документы
... is indeed physically associated with the nebula would be important to understand the ... The central star (CSPN) of the planetary nebula M 1-25 (PN G 4.9+4.9) is classified ...
... Bolton first identifies a discrete radio source (Taurus A) with the Crab nebula. ... 1954 Optical polarisation detected in Crab Nebula by Dombrovsky and Vashakidze. ... of polarised X-ray emission (Crab Nebula) by Columbia Uni group. 1973 the IAU ...
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Ссылки http://www.atnf.csiro.au/whats_on/workshops/synthesis2003/talks/polarimetry.pdf -- 790.0 Кб -- 22.05.2003 Похожие документы
... images show "hot spots" around the inner edge of the ring, where it is believed the SN ejecta are colliding with the ring gas ... feature is the appearance of what may be an inner ring with a radius about half that of the main ring and three hot spots ...
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Ссылки http://www.atnf.csiro.au/news/newsletter/oct03/ATNFnews_03Oct_final.pdf -- 1867.0 Кб -- 30.11.2011 Похожие документы
... The Orion nebula is the fish, and the stars of Orion's sword are the line still ... beautiful rock engravings in Ku-ring-gai Chase National Park, just north of Sydney ...
... given relative to the local standard of rest) have been binned to 2 kilometres per ... 22 Figure 16 M2-9 is a striking example of a "butterfly" or bipolar planetary nebula ...
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Ссылки http://www.atnf.csiro.au/the_atnf/annual_reports/2002/17189_p17-37.pdf -- 1956.0 Кб -- 14.07.2003 Похожие документы
... radio emission in the same manner 2.1 Observed optical jets as the Crab Nebula ... There is also a `ring' of enhanced optical emission at a radius of 300-400 pc from ...
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Ссылки http://www.atnf.csiro.au/people/Matthew.Whiting/thesis/ch2.pdf -- 120.6 Кб -- 29.03.2006 Похожие документы