Certain ESR spectra observed following the reaction of OH radicals with uracils had previously been assigned to the radicals produced by addition to the 5 position followed by keto-enol tautomerism ...
LSR J1835 + 3259 is a dwarf star of spectral type M8.5 with a bolometric luminosity 10 −3.4 times that of the Sun, located at a distance of 5.67 ± 0.02 pc (ref. 4). It is positioned close to a ...
ABSTRACT With modern detectors it is now possible to image dilute gas near powerful sources of ionizing radiation. This note concerns hydrogen emission expected from such gas. Hydrogen recombination ...
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