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Title: Photometry and spectroscopy of II Peg, IM Peg and UX Ari
Authors: Dar, A. A
Parihar, P. S
Malik, M. A
Keywords: RS CVn;Star spots;Chromospherically active
Issue Date: Aug-2018
Publisher: IOP Publishing
Citation: Research in Astronomy and Astrophysics, Vol. 18, No. 9, 112
Abstract: V band photometry of three RS CVn stars, II Peg, IM Peg and UX Ari, is carried out to study the physical properties of these variables. We verified the significant and regular optical photometric variability to be present in all three stars. The strong photometric variability and emission of Hα and Ca II H & K using high resolution optical spectroscopy with the Hanle Echelle Spectrograph (HESP), which operates in conjunction with the Himalayan Chandra Telescope, verify the strong chromospheric activity which is present in RS CVn stars. The photometric studies of II Peg, UX Ari and IM Peg were subjected to light curve analysis for spot parameters using a two-starspot model
Description: Restricted Access
ISSN: 1674-4527
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Appears in Collections:IIAP Publications

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