منابع مشابه
Highest Brightness Temperature Observed in the Universe
Giant radio pulses of the millisecond pulsar B1937+21 were recorded with the S2 VLBI system at 1.65 GHz with NASA/JPL’s 70-m radio telescope at Tidbinbilla, Australia. These pulses have been observed as strong as 65 000 Jy with widths ≤ 15 ns, corresponding to a brightness temperature Tb ≥ 5 · 10 39 K, the highest observed in the universe. The vast majority of these pulses occur in a 5.8 μs and...
متن کاملPredictions of highest Transition-temperature for electron-phonon superconductors
Using the Eliashberg strong coupling theory with vertex correction, we calculate maps of transition temperatures ( Tc ) of electron-phonon superconductors in full parameter space. The maximums of transition temperatures for superconductors are predicted based on the maps and the criterion of instability of superconductivity. The strong vertex correction and high transition temperature are tight...
متن کاملTemperature and Precipitation Trends in Canada During the 20th Century
Trends in Canadian temperature and precipitation during the 20th century are analyzed using recently updated and adjusted station data. Six elements, maximum, minimum and mean temperatures along with diurnal temperature range (DTR), precipitation totals and ratio of snowfall to total precipitation are investigated. Anomalies from the 1961–1990 reference period were first obtained at individual ...
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ژورنال
عنوان ژورنال: Atmosphere
سال: 1966
ISSN: 0004-6973
DOI: 10.1080/00046973.1966.9676527