A collection of various research projects in astronomy

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dc.contributor.advisor Turner, David Gerald, 1945-
dc.coverage.spatial Outer space
dc.creator Majaess, Daniel J.
dc.date.accessioned 2011-05-09T12:31:16Z
dc.date.available 2011-05-09T12:31:16Z
dc.date.issued 2008
dc.identifier.other QB496 M35 2008
dc.identifier.uri http://library2.smu.ca/xmlui/handle/01/22021
dc.description 121 leaves : ill. ; 29 cm.
dc.description Includes abstracts.
dc.description Includes bibliographical references.
dc.description.abstract We consider the possibility of cluster membership for 13 planetary nebulae that are located in close proximity to open clusters lying in their lines of sight. The short lifetimes and low sample size of intermediate-mass planetary nebulae with respect to nearby open clusters conspire to reduce the probability of observing a true association. Not surprisingly, line of sight coincidences almost certainly exist for 7 of the 13 cases considered. Additional studies are advocated, however, for 6 planetary nebula/open cluster coincidences in which a physical association is not excluded by the available evidence, namely M 1-80/Berkeley 57, NGC 2438/NGC 2437, NGC 2452/NGC 2453, VBRC 2 & NGC 2899/IC 2488, and HeFa 1/NGC 6067. A number of additional potential associations between planetary nebulae and open clusters is tabulated for reference purposes. It is noteworthy that the strongest cases involve planetary nebulae lying in cluster coronae, a feature also found for short-period cluster Cepheids, which are themselves potential progenitors of planetary nebulae.
dc.description.provenance Made available in DSpace on 2011-05-09T12:31:16Z (GMT). No. of bitstreams: 0 en
dc.language.iso en
dc.publisher Halifax, N.S. : Saint Mary's University
dc.subject.lcc QB496
dc.subject.lcsh Stars -- Open clusters
dc.subject.lcsh Planetary nebulae
dc.subject.lcsh Variable stars
dc.subject.lcsh Cepheids
dc.subject.lcsh Asteroids
dc.title A collection of various research projects in astronomy
dc.type Text
thesis.degree.name Master of Science in Astronomy
thesis.degree.level Masters
thesis.degree.discipline Astronomy and Physics
thesis.degree.grantor Saint Mary's University (Halifax, N.S.)
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