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Spectral Line Variations of Symbiotic Stars EG And, AG Dra, and BX Mon and Its Interpretation

Published online by Cambridge University Press:  21 February 2013

Tae Seog Yoon ,
Soo Hyun Kim ,
Hyeonwoo Moon ,
Kyu-Seob Kim  and
Hyungil Oh
Tae Seog Yoon
Affiliation:
Department of Astronomy & Atmospheric Sciences, Kyungpook National University, Daegu 702-701, South Korea email: [email protected]
Soo Hyun Kim
Affiliation:
Department of Astronomy & Atmospheric Sciences, Kyungpook National University, Daegu 702-701, South Korea email: [email protected]
Hyeonwoo Moon
Affiliation:
Department of Astronomy & Atmospheric Sciences, Kyungpook National University, Daegu 702-701, South Korea email: [email protected]
Kyu-Seob Kim
Affiliation:
Department of Astronomy & Atmospheric Sciences, Kyungpook National University, Daegu 702-701, South Korea email: [email protected]
Hyungil Oh
Affiliation:
Department of Astronomy & Atmospheric Sciences, Kyungpook National University, Daegu 702-701, South Korea email: [email protected] Korea Astronomy and Space Science Institute, Daejeon 305-348, South Korea
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Abstract

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We present some results obtained by high resolution spectroscopic observations for symbiotic stars EG And, AG Dra, and BX Mon in recent years which were performed with 1.8-m reflector and echelle spectrograph BOES at Bohyunsan Optical Astronomy Observatory, Youngcheon, South Korea. The variations of Hα emission line during a night and the variations of H Balmer lines and He I emission lines among several analyzed lines over months and years are shown and discussed.

Keywords

Symbiotic stars: EG AndAG DraBX MonSpectral line variations
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S290: Feeding Compact Objects: Accretion on All Scales , August 2012 , pp. 353 - 354
Copyright
Copyright © International Astronomical Union 2013

References

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