Discovery of a red luminescence band in the spectrum of the Orion Nebula

Details Discovery of a red luminescence band in the spectrum of the Orion Nebula Discovery of a red luminescence band in the spectrum of the Orion Nebula

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...255..271p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 255, no. 1-2, p. 271-280.

Astronomy and Astrophysics

Astrophysics

33

Astronomical Models, Emission Spectra, Interstellar Matter, Orion Nebula, Spectral Bands, Aromatic Compounds, Astronomical Spectroscopy, Charge Coupled Devices, Cyclic Hydrocarbons

Scientific paper

Low-dispersion spectra obtained from 4000 to 9600 A in several directions over the Orion Nebula are presented. It was found for all of the directions observed over the Orion Nebula that, when the nebular spectrum is divided by that of the Trapezium stars, there is a broad emission band in the red, while the blue part of the spectrum is almost flat. These data, together with previous UV and IR data, are discussed on the basis of theoretical calculations and laboratory results.

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