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Ca II K Emission in Canopus

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dc.contributor.author Bappu, M. K. V
dc.contributor.author Mekkaden, M. V
dc.contributor.author Kameswara Rao, N
dc.date.accessioned 2005-12-06T10:32:20Z
dc.date.available 2005-12-06T10:32:20Z
dc.date.issued 1984-06
dc.identifier.citation BASI, Vol. 12, No. 2, pp. 196-201 en
dc.identifier.uri http://hdl.handle.net/2248/623
dc.description.abstract The Changes in the Ca II K line profile of the F0 supergiant Canopus have been studied from the high dispersion coude spectrograms obtained since 1975. The emission in the core of the line is variable in a timescale of few days. Similar activity seems to be occuring in Mg II h and k lines also. This is attributed to the variability in the appearance of plage areas on the stellar surface. en
dc.format.extent 441404 bytes
dc.format.mimetype application/pdf
dc.language.iso en
dc.publisher Astronomical Society of India en
dc.subject Ca II K Line en
dc.subject Mg II h and k lines en
dc.subject Chromospheres en
dc.subject Plages en
dc.title Ca II K Emission in Canopus en
dc.type Article en

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