Discovery of eclipsing binary central stars in the planetary nebulae M 3-16, H 2-29, and M 2-19
نویسندگان
چکیده
منابع مشابه
Baltic Astronomy BINARY CENTRAL STARS OF PLANETARY NEBULAE
This paper reviews our knowledge on binary central stars of planetary nebulae and presents some personal opinions regarding their evolution. Three types of interactions are distinguished: type I, where the binary companion induces the mass loss; type II, where it shapes the mass loss but does not enhance it; type III, where a wide orbit causes the centre of mass to move, leading to a spiral emb...
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Spectroscopic observations of 48 emission-line objects of M 33 have been obtained with the multi-object, wide field, fibre spectrograph AF2/WYFFOS at the 4.2m WHT telescope (La Palma, Spain). Line intensities and logarithmic extinction, cβ, are presented for 42 objects. Their location in the Sabbadin & D’Odorico diagnostic diagram (Hα/[S ii] vs Hα/[N ii]) suggests that >70% of the candidates ar...
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ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2008
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361:200810529