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view Abstract Citations (472) References (36) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Interstellar Extinction in the Galaxy. Johnson, Harold L. Abstract Multicolor photometry, over the range of wavelength from 0 35 in the ultraviolet to nearly 10 in the infrared, has been interpreted in terms of interstellar extinction. The value of R = -v has been found to vary from 3.0 to more than 6. In addition to the high value that had previously been found for the Orion Nebula region, values of R in the neighborhood of 6 have been found for regions in Cepheus and Ara, and for the cluster NGC 2244. These variations in R plainly have serious implications regarding the distance scale and the structure of the Galaxy. Publication: The Astrophysical Journal Pub Date: April 1965 DOI: 10.1086/148186 Bibcode: 1965ApJ...141..923J full text sources ADS | data products SIMBAD (100) GCPD (1)
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Harold L. Johnson (Thu,) studied this question.
synapsesocial.com/papers/6a10dcc4326831f8a26474f1 — DOI: https://doi.org/10.1086/148186
Harold L. Johnson
Planetary Science Institute
The Astrophysical Journal
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