3.3-micron spectra of four IRAS sources

Details 3.3-micron spectra of four IRAS sources 3.3-micron spectra of four IRAS sources

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....103..927s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 103, March 1992, p. 927-930.

Astronomy and Astrophysics

Astronomy

5

Infrared Astronomy Satellite, Infrared Spectra, Late Stars, Stellar Spectra, Color-Magnitude Diagram, Cosmic Dust, Interstellar Matter

Scientific paper

The spectra between 3.15 and 3.45 microns are presented for four IRAS sources; IRAS 05355 + 3039, 06294 + 0352, 06335 + 1057, and 06210 + 1432 which possess IRAS spectra similar to reflection nebulae. The prominent emission feature at 3.3 microns of the order of 10 exp -19 W/sq cm has been detected in the four sources, and the adjacent feature at 3.4 microns in two of them. The 3.3-micron band strength is used to derive the contribution of small dust to the overall energy spectrum, which is about 20 percent in the 1-100-micron IR region.

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