... DG Tau shows a number of arcs of reflection nebulosity and significant jet structure ... HL Tau is completely obscured by a compact nebula. ... T Tauri is adjacent to a arc of reflection nebulosity which may indicate a cleared ...
... 2) A determination of the 3D structure of the nebula, based on the ionization echo that will sweep out into the nebula, causing each individual knot to develop strong H-alpha emission when first illuminated by the nova. ...
... The Exotic Planetary Nebula SuWt 2 As noted above, a significant fraction of planetary-nebula nuclei (PNNi) is expected to be binaries that have undergone common-envelope interactions. ...
... of the highly p olarized, proto-planetary nebula CRL 2688 (Egg Nebula) were also obtained to test the calibration over a large ... on observations of p olarized and unp olarized standard stars as well as the proto-planetary nebula CRL 2688 (Egg Nebula ...
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Ссылки http://www.stsci.edu/hst/HST_overview/documents/calworkshop/workshop2005/papers/hines.pdf -- 160.8 Кб -- 04.04.2006 Похожие документы
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