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Spectroscopic Study of the Planetary Nebula NGC 6210: Velocity Structure and Permitted Lines
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  • Spectroscopic Study of the Planetary Nebula NGC 6210: Velocity Structure and Permitted Lines
  • Spectroscopic Study of the Planetary Nebula NGC 6210: Velocity Structure and Permitted Lines
저자명
Lee. Seong-Jae,Wi. Jin-Kyung,Hyung. Siek
간행물명
한국지구과학회지
권/호정보
2009년|30권 5호|pp.611-621 (11 pages)
발행정보
한국지구과학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Using the spectroscopic data secured with the Hamilton Echelle Spectrograph at Lick Observatory, we found the physical condition of the planetary Nebula NGC 6210. The spectral line profiles of the permitted and forbidden lines have been analyzed using IRAF and StarLink/Dipso. The hydrogen number densities ($N_H$) are 2,000-20,000 $cm^{-3}$, and the electron temperatures are 8,100-10,300 K based on the forbidden lines. The expansion velocities, derived from the Full Width at Half Maximum (FWHM) and the double peak of the line profiles, are in the range of 10 to $45;kms^{-1}$. The expansion velocities imply a shell structure with an accelerated nebular gas. We also derived abundances from the permitted lines of CII, CIII, NII, NIII, OII, and OIII, which may have been formed through the fluorescence mechanism. NGC 6210 is likely to be evolved from a progenitor of more than $3M_{ullet}$, which had been born near the Galactic plane.