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On the conditions which determine the limiting time of exposure of photographic plates in astronomical photography

โœ Scribed by F. L. O. Wadsworth


Publisher
John Wiley and Sons
Year
1897
Tongue
English
Weight
750 KB
Volume
144
Category
Article
ISSN
0004-6337

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โœฆ Synopsis


Band 144. N2 3439.

7-

On the Conditions which determine the limiting Time of Exposure of photographic Plates in Astronomical Photography.


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## The title compound has been prepared and characterized spectroscopically and by single-crystal X-ray crystallography (refined to R1 = 0.052, R, = 0.064 with I837 data having I > 30(I)). The dithioacetylacetonate (SacSac) methyl groups are NMR equivalent at room temperature, but can be resolved at