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Please use this identifier to cite or link to this item: http://dspace.bits-pilani.ac.in:8080/jspui/handle/123456789/14217
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dc.contributor.authorVaidya, Kaushar-
dc.date.accessioned2024-02-12T07:08:27Z-
dc.date.available2024-02-12T07:08:27Z-
dc.date.issued2005-04-
dc.identifier.urihttps://www.aanda.org/articles/aa/abs/2005/29/aahc011/aahc011.html-
dc.identifier.urihttp://dspace.bits-pilani.ac.in:8080/jspui/xmlui/handle/123456789/14217-
dc.description.abstractResults of first CCD photometry during the recent deep light decline, and high-resolution spectroscopy, are presented for DY Persei. The spectra show variable blueshifted features in the sodium D lines. The C i lines are strong whereas neutron-capture elements are not enhanced. The isotopic 13CN(2, 0) lines relative to 12CN are of similar strength with those for the carbon star U Hya. All these confirm the RCB nature of DY Per and the existence of ejected clouds. At least two clouds are revealed at -197.3 and -143.0 km s-1. A star was detected about 04 to the west and 25 to the north from DY Per. This anonymous companion, with observed colour indices and , may be a foreground star.
en_US
dc.language.isoenen_US
dc.publisherEDP Sciencesen_US
dc.subjectPhysicsen_US
dc.subjectStars: carbon / stars: windsen_US
dc.subjectOutflows / starsen_US
dc.subjectStars: circumstellar matteren_US
dc.subjectCCD photometryen_US
dc.titleThe cool Galactic R Coronae Borealis variable DY Perseien_US
dc.typeArticleen_US
Appears in Collections:Department of Physics

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