... The motion of the binary may be a factor in determining the shape of the planetarynebula that occurs when one of the stars reaches the end of its life. ...
... Them: Equatorial Rings, B[e] Supergiants, and the Waists of Bipolar Nebulae", AJ 134, 846 Solheim, J-E., Vauclair, G;, Mukadam, A., Janulis, R., and Dobrovolskas, V., "Abell 43: Longest Period PlanetaryNebula Nucleus Variable", 2007, A & A, 468, 1057 ...
... 744, 156 Balick etal, 2012, "Abundances of planetary nebulae in the outer disk of ... Class I Protostar in the Pelican/North American Nebula", AJ, 141, 40 D'Andrea, C.B ...
... The target is M2-9, Minkowski's "Butterfly" nebula. ... M2-9 is classified as a planetary nebulae; however, it is likely to be associated with a symbiotic binary with a 120-yr period. ...
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Ссылки http://www.apo.nmsu.edu/35m_operations/35m_manual/Instruments/NICFPS/OLD/NICFPS_projdescr.pdf -- 2005.8 Кб -- 06.09.2002 Похожие документы
... comparison stars when doing differential photometry Larger FOV for imaging of globular or open clusters Larger FOV for imaging nebulas and galaxy clusters Larger FOV time series photometry (than AGILE in slow readout rate) given faster chip readout (full ...
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Ссылки http://www.apo.nmsu.edu/arc35m/Instruments/ARCTIC/Development/ImagerPDR/SpicamScience.pdf -- 896.9 Кб -- 05.12.2013 Похожие документы