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Large-Scale Extended Emission Around the Helix Nebula

  • A. K. Speck (a1), M. Meixner (a1), D. Fong (a1), P. R. McCullough (a1), D. E. Moser (a1) and T. Ueta (a1)...

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We have presented new observations of the ionized gas, molecular gas and cool dust in the Helix nebula (NGC 7293). The ionized gas is observed in the form of a Hα image, which is constructed using images from the Southern H-Alpha Sky Survey Atlas (SHASSA). The molecular emission was mapped using the H2 v = 1 → 0 s(1) line at 2.122μm. The far-infrared (FIR) observations were obtained using ISOPHOT on the Infrared Space Observatory (ISO).

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Large-Scale Extended Emission Around the Helix Nebula

  • A. K. Speck (a1), M. Meixner (a1), D. Fong (a1), P. R. McCullough (a1), D. E. Moser (a1) and T. Ueta (a1)...

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