Abstract
Extreme interstellar reddening, accompanying visual absorption of order 100 magnitudes, is still a viable explanation for infrared objects like Becklin's star in spite of recent claims to the contrary. It is unnecessary at this stage to invoke a new phase of protostellar evolution to account for them.
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Allen, D., Penston, M. Infrared stars or infrareddened stars?. Nature 251, 110–112 (1974). https://doi.org/10.1038/251110a0
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DOI: https://doi.org/10.1038/251110a0
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