2 ” ie ae . “he pr P “F -_ ay vans “. 7 », z g = . 2 powaee . “i x " : x- xh 3° . ‘ : “se x Cae ee Te x be ale wee é © . = SP 7 x x - < 04 _ # — xx 20 X x . ® O02 vet— s ele e ° @ ° a. a. e o Pimewe” — Q 3500 3600 WAVELENGTH, A 3700 Fig. 4.2 — Relative intensity vs wavelength for the S-R 0-13 band O, in Tumbler-Snapper 3 and King (0.1 to 1.1 sec). x, King. ©, TumblerSaapper 3. The foregoing comparisons of intensities center for the most part around the SchumannRunge bands of O;. [n addition to these, bands of NJ, NO,, and the broad bands of HNO, appear in the spectra for the various explosions. There is an interesting behavior of the NO, absorption spectrum. For the total-time shots, it is only in the Mike spectrum that NO, appears prominently. King shows it markedly for the first maximum exposure, out the exposure conditions were not favorable to judge its strength in the total-time exposure. The NO, bands in the spectra of Mike and King (first maximum) appear to be very roughly of the same strength as in the early-times Tumbler-Snapper 7 spectrum. The lower part of Fig. 3.1 shows the appearance of NO, in the spectrum of TumblerSnapper 7 and Mike. The blackening ia the King (1.0 to 1.1 sec) exposure was too great to judge the presence of NO, effectively. The behavior of Nj in several shots is described in Table 4.5. The intensity distribution in the 4278 A band of Ny 1s shown in Table 4.6 for King (total) and Tumbler-Snapper 3. Nj is not evident in Buster Chariie, but the 3914 A (0,0) band is present in Tumbler-Snapper 1 (see Fig. 3.1). Identifications were made with the help of a table by Fassbender.® 24 xt