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  1. No Access

    Article

    Aperture synthesis observations of HCN J=1-0 emission from Y canum venaticorum

    We have made high resolution observations of HCN (1-0) emission from the carbon star Y Canum Venaticorum using the Nobeyama Millimeter Array. We find that the emission region is not well resolved by the synthe...

    H. Izumiura, A. Fujiyoshi, N. Ukita in Astrophysics and Space Science (1995)

  2. No Access

    Article

    Molecular and low excitation emission in high mass post-main-sequence nebulae

    We have undertaken map** and spectroscopy of a broad range of type I post-Main-Sequence nebulae in COJ=1→0,J=2→1, andJ=3→2, using the 12 m antenna at Kitt Peak, and the 45 m facility of the Nobeyama Radio Obser...

    J. P. Phillips, P. G. Williams, A. Mampaso, N. Ukita in Astrophysics and Space Science (1992)