Classification of N-type carbon stars

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dc.contributor.advisorIrvine, Cynthia E.
dc.contributor.authorBollwerk, William Val.
dc.contributor.secondreaderWoehler, Karlheinz E.
dc.date.accessioned2012-11-27T00:15:36Z
dc.date.available2012-11-27T00:15:36Z
dc.date.issued1986-06
dc.description.abstractLow resolution spectrophotometry has been used to examine the relationship between spectral class and effective temperatures in a sample of eleven cool carbon stars . Using effective temperatures from lunar occultation observations of Tsuji and Ridgeway et al , CN and C2 features have been examined for their utility as classification criteria. It is found that C2 strength is not a reliable temperature classification parameter, while CN should be useful. Comparison of the carbon star classification systems of Keenan and Morgan and that of Richer with recently derived temperatures and the results of this study indicates that the Richer classification system more accurately reflects the temperatures of cool carbon stars.en_US
dc.description.distributionstatementApproved for public release; distribution is unlimited.
dc.description.serviceLieutenant Commander, United States Navyen_US
dc.description.urihttp://archive.org/details/classificationof1094521709
dc.format.extent74 p.en_US
dc.identifier.urihttps://hdl.handle.net/10945/21709
dc.language.isoen_US
dc.subject.authorCarbon Starsen_US
dc.subject.authorSpectrophotometryen_US
dc.subject.authorN-type Starsen_US
dc.subject.authorEquivalent Widthen_US
dc.subject.authorReticonen_US
dc.subject.authorRed Giantsen_US
dc.subject.authorSwan Banden_US
dc.subject.lcshPhysicsen_US
dc.titleClassification of N-type carbon starsen_US
dc.typeThesisen_US
dspace.entity.typePublication
etd.thesisdegree.disciplinePhysicsen_US
etd.thesisdegree.grantorNaval Postgraduate Schoolen_US
etd.thesisdegree.levelMastersen_US
etd.thesisdegree.nameM.S. in Physicsen_US
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