Identification of the 890 per CM carbonate signature in NGC 7027

Details Identification of the 890 per CM carbonate signature in NGC 7027 Identification of the 890 per CM carbonate signature in NGC 7027

Feb 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...195l.125b&link_type=abstract

Astrophysical Journal, vol. 195, Feb. 1, 1975, pt. 2, p. L125, L126.

Astronomy and Astrophysics

Astronomy

40

Carbonates, Cosmic Dust, Infrared Astronomy, Planetary Nebulae, Spectral Signatures, Black Body Radiation, Emission Spectra, Interstellar Matter, Magnesium Compounds

Scientific paper

High-resolution spectroscopic measurements of the 11 micron continuum emission from NGC 7027 indicate that MgCO3 is a constituent of the dust in the nebula. Other carbonate compounds may also be present in concentrations approximately 1 order of magnitude below that of MgCO3. Dust-grain temperatures combined with the abundance of MgCO3 require that most of the material composing the grains must be carbon or C, N, O compounds.

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