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Title: High-Resolution Optical Spectroscopy of the R Coronae Borealis Star V532 Ophiuchi at Maximum Light*
Authors: Kameswara Rao, N
Lambert, D. L
Woolf, V. M
Hema, B. P
Issue Date: Sep-2014
Publisher: IOP Publishing
Citation: Publications of the Astronomical Society of the Pacific, Vol. 126, No. 943, pp. 813- 820
Abstract: High-resolution optical spectra of the R Coronae Borealis (RCB) star V532 Oph at light maximum are discussed. The absolute visual magnitude MV of the star is found to be -4.9 ± 0.5. The elemental abundances suggest the star belongs to the majority class of RCB stars but is among the most O-poor of this class with mild enhancements of heavy elements Y, Zr, Ba, and La. The C2 Swan bands are weak in V532 Oph relative to R CrB. Other aspects of the high-resolution spectrum confirm that V532 Oph is representative of majority RCBs, i.e., the radial velocity is variable, circumstellar material is present, and the photosphere feeds a high-velocity stellar wind.
Description: Restricted Access
ISSN: 0004-6280
???metadata.dc.rights???: © The Astronomical Society of the Pacific
Appears in Collections:IIAP Publications

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