Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasj...45...65n&link_type=abstract
PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 45, no. 1, p. 65-84.
Astronomy and Astrophysics
Astronomy
21
Absorption Spectra, Emission Spectra, Infrared Spectra, Infrared Stars, Silicates, Stellar Envelopes, Asymptotic Giant Branch Stars, Hydroxyl Emission, Infrared Astronomy Satellite, Infrared Photometry, Spectral Energy Distribution, Stellar Evolution, Stellar Spectrophotometry
Scientific paper
Results are presented of near-infrared photometry carried out in the J, H, K, and L bands for 33 IRAS sources with a 10-micron silicate absorption features. The observed sources were found to be mostly comprised of two groups of stars which showed very different spectral characteristics from each other between 1 and 100 microns. These stars were either evolved OH/IR stars, which generally showed IR photometric spectra similar to black-body spectra; or they were young stellar objects showing much broader spectral energy distributions than black-body spectra.
Noguchi Kunio
Qian Zhongyu
Wang Gang
Wang Junjie
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