Abstract
INFRARED stars, which are apparently cool objects and are often immersed in dust, have been found recently to be sources of OH radio line emission. The OH emission is usually concentrated in the satellite line at 1,612 MHz with little or no emission at the main line frequencies 1,665 and 1,667 MHz or at 1,720 MHz. The 1,612 MHz emission is unpolarized and typically concentrated in two separated velocity regions1.
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BOOTH, R. OH Emission and the Infrared Star in VY Canis Majoris. Nature 224, 783–784 (1969). https://doi.org/10.1038/224783a0
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DOI: https://doi.org/10.1038/224783a0
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