High-resolution infrared spectroscopy - A search for the 11.52-micron graphite feature

Details High-resolution infrared spectroscopy - A search for the 11.52-micron graphite feature High-resolution infrared spectroscopy - A search for the 11.52-micron graphite feature

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.220..185g&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 220, May 1, 1986, p. 185-188.

Astronomy and Astrophysics

Astronomy

11

Infrared Astronomy, Nebulae, Wolf-Rayet Stars, Cosmic Dust, Grains, Graphite, H Ii Regions, High Resolution, Southern Sky

Scientific paper

Spectra are presented with a resolving power λ/Δλ ≈ 1100 of the dusty Wolf-Rayet star Ve 2-45 and the southern H II region G333.6-0.2. An upper limit on the equivalent width of any features in the range 11.0 to 13.0 μm is determined to be 0.0022 μm towards Ve 2-45. This figure is compared with the predicted strength of the unobserved narrow feature at 11.52 μm which has been proposed to be associated with small graphite grains (Draine).

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