• 제목/요약/키워드: The Graduate

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A STUDY OF THE GALACTIC CENTER REGIONS USING THE IMPROVED DATA OF THE MID-INFRARED ALL-SKY SURVEY

  • Mouri, A.;Kaneda, H.;Ishihara, D.;Oyabu, S.;Kondo, T.;Suzuki, S.;Yasuda, A.;Onaka, T.
    • 천문학논총
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    • 제27권4호
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    • pp.217-218
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    • 2012

  • Among the AKARI all-sky survey data, the $9{\mu}m$ diffuse map is crucial to study the polycyclic aromatic hydrocarbon (PAH) emission features on large spatial scales, while the $18{\mu}m$ map is useful to trace hot dust emission. To utilize these advantages, we have improved the AKARI mid-infrared (MIR) all-sky survey diffuse maps. For example, we have established special methods to remove the effects of the ionizing radiation in the South Atlantic Anomaly (SAA) and of the scattered light from the moon. Using improved diffuse map data, we study the properties of PAHs and dust in the Galactic center region associated with high-energy phenomena.

  • https://doi.org/10.5303/PKAS.2012.27.4.217 인용 PDF KSCI

LONG-TERM VARIATION STUDY OF CATACLYSMIC VARIABLES WITH PALOMAR TRANSIENT FACTORY

  • YANG, MICHAEL TING-CHANG;CHOU, YI;HU, CHIN-PING;SU, YI-HAO;HSIEH, HUNG-EN;LIN, CHING-PING;CHUANG, PO-SHENG;LIAO, NAI-HUI
    • 천문학논총
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    • 제30권2호
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    • pp.193-195
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    • 2015

  • The Palomar Transient Factory is a project making use of a Schmidt 48 inch telescope located on the Palomar Mountain, which is surveying the sky with dynamical cadences. It was deployed in 2009 and the observed sky region is over 1200 square degrees. We have studied the long-term periodic variabilities of the known galactic cataclysmic variables (CVs). More than 20 of the sources had been found to have long term periodic signals, ranging from several tens of days to several hundreds of days. Some possible scenarios are proposed to explain the results, such as a magnetic field change of the companion star, precession of the accretion disk, triple systems and superoutburst cycles. Some preliminary discussion will be presented in this article.

  • https://doi.org/10.5303/PKAS.2015.30.2.193 인용 PDF KSCI