Journal of Astronomy and Space Sciences

The Korean Space Science Society (한국우주과학회)
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Properties of the Variation of the Infrared Emission of OH/IR Stars I. The K Band Light Curves

  • Suh, Kyung-Won (Department of Astronomy and Space Science, Chungbuk National University) ;
  • Kwon, Young-Joo (Department of Astronomy and Space Science, Chungbuk National University)
  • Published : 2009.09.15
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Abstract

To study properties of the variation of the infrared emission of OH/IR stars, we collect and analyze the infrared observational data in K band for nine OH/IR stars. We use the observational data obtained for about three decades including recent data from the two micron all sky survey (2MASS) and the deep near infrared survey of the southern sky (DENIS). We use Marquardt-Levenberg algorithm to determine the pulsation period and amplitude for each star and compare them with previous results of infrared and radio investigations.

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