On the hydrogen-deficient nature of Z Ursae Minoris

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/3233

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DC Field	Value	Language
dc.contributor.author	Goswami, A	-
dc.contributor.author	Kameswara Rao, N	-
dc.contributor.author	Lambert, D. L	-
dc.contributor.author	Gonzalez, G	-
dc.date.accessioned	2008-08-22T05:38:37Z	-
dc.date.available	2008-08-22T05:38:37Z	-
dc.date.issued	1997-05	-
dc.identifier.citation	Publications of the Astronomical Society of Pacific, Vol. 109, No. 737, pp. 796 - 798	en
dc.identifier.issn	0004-6280	-
dc.identifier.uri	http://hdl.handle.net/2248/3233	-
dc.description.abstract	Z Ursa Minoris was classified by Benson et al. (1994) a a R Coronae Borealis (RCB) variable star from its light variations. Hydrogen deficiency, which is a defining feature of RCB stars, was not established. To investigate this aspect we have obtained high resolution spectra in both blue (4200-4630\AA) and red (5050-7950\AA) regions. Lines of the CH molecule (G band) at about 4300\AA, which are present in spectra of N-type carbon stars are weak or absent in the spectrum of Z UMi indicating its hydrogen deficient nature and membership of the rare class of RCB variables. (SECTION: Stars)	en
dc.format.extent	413646 bytes	-
dc.format.mimetype	application/pdf	-
dc.language.iso	en	en
dc.publisher	The Astronomical Society of the Pacific	en
dc.relation.uri	http://adsabs.harvard.edu/abs/1997PASP..109..796G	en
dc.subject	Stars: Variables: Other	en
dc.subject	Stars: Abundances	en
dc.title	On the hydrogen-deficient nature of Z Ursae Minoris	en
dc.type	Article	en
Appears in Collections:	IIAP Publications

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