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Cited by 2,913

The DOI matches its Crossref record.

Diffuse radiation in the Galaxy

Henyey, L. C., Greenstein, J. L.·1941·The Astrophysical Journal
DOI 10.1086/144246
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Abstract

Observations have been obtained to verify the existence of diffuse interstellar radiation. A Fabry photometer, attached to the 40-inch refractor at the Yerkes Observatory, was used to measure the brightness of regions over a wide range of galactic latitude. The intensities in the photographic region of the spectrum were calibrated by means of the Polar Sequence stars. The mean of four such runs across the Milky Way, on circles of nearly constant longitude, l = 40°, shows a maximum of brightness of 80 stars of the tenth magnitude per square degree for the diffuse extra-terrestrial radiation. The mean of three runs near l = 140° shows a maximum of 35 in the same units. It is shown that the observed intensity of diffuse light may be explained as scattered stellar radiation if the phase function governing the scattering of starlight by the interstellar matter is strongly forward-throwing. The concentration of the diffuse light toward the galactic circle is also in agreement with this property of the phase function. The observations also indicate that the scattering efficiency, or albedo, of the particles is greater than 0.3

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Metadata

Authors
Henyey, L. C., & Greenstein, J. L.
Venue
The Astrophysical Journal
Publisher
American Astronomical Society
Published
1941-01
Volume
93
Pages
70
ISSN
  • 0004-637X (ISSN-L)
  • 1538-4357
DOI
10.1086/144246
OpenAlex
W1999182952
Cited by
2,913
References
0
FWCI
0.00
Type
journal article
Language
en
Open access
closed

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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