Abstract
view Abstract Citations (2) References Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS 3.2-mm Observations of the Lunar Eclipse of 30 December 1963 Epstein, Eugene E. ; Stacey, Joseph M. Abstract Previous radio astronomical observations, at X>3.2 mm, during lunar eclipses have not reliably detected any temperature changes. However, no observations have been made at X~3.2 mm. A 15-ft, 3-min of arc beamwidth antenna, operating at X=3.2 mm, was used from 05h UT to 14h UT, 30 December 1963, to observe the subterrestrial point, a mountainous region near Sinus Medii, Mare Serenitatis, Mare Imbrium, and Copernicus. The temperatures of all five regions decreased 6% during the eclipse. The data show no statistically significant differences in the maximum temperature decreases or in the rates of cooling and recovery of the five regions. Cooling and recovery of each region commenced within ~1li of the entry into and exit from, respectively, the umbra. This research has been supported by U. S. Air Force Contract No. AF 04(695)-269. Publication: The Astronomical Journal Pub Date: 1964 DOI: 10.1086/109393 Bibcode: 1964AJ.....69Q.541E full text sources ADS |
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