Browsing by Title "A Firework of H2 Knots in the planetary nebula NGC 7293 (The Helix Nebula)"

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  • A Firework of H2 Knots in the planetary nebula NGC 7293 (The Helix Nebula) 

    Zijlstra, A. A.; McHunu, B. M.; Viti, S.; Smith, M. D.; Wright, N. J.; Tanaka, I.; Wesson, R.; Matsuura, M.; Speck, Angela K. (American Astronomical Society, 2009)
    We present a deep and wide field-of-view (4 × 7 ) image of the planetary nebula (PN) NGC 7293 (the Helix Nebula) in the 2.12 μm H2 v = 1 → 0 S(1) line. The excellent seeing (0. 4) at the Subaru Telescope, allows the ...