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Table 2. Saturated Interstellar Features
in the Second Order


(Reprinted from Rogerson and Upson, "The Copernicus Ultraviolet Spectral Atlas of Tau Sco", Ap J Suppl. 35,37, 1977 with permission from the author)


Wlab (Å) Ident. Average (W ± 9 Å) Scattered Light
949.743 H I (Ly delta) 466 208
972.537 H I (Ly gamma) 1035 292
988.773 O I 1269 316
1025.773 H I (Ly beta) 10654 765
1036.337 C II 15471 1108
1083.990 N II 19329 1493
1134.980 N I 13408 1071
1191.851 * Si II 7518 612
1200.224 N I 6389 568
1215.670 H I (Ly alpha) 3186 393
1260.418 Si II 4153 397
1302.719 ** O I + Si II 2656 299
1334.532 C II 1793 255

*Equally weighted average of Si II (1190.418 Å) and Si II (1193.284 Å).
** 3:1 weighted average of O I (1302.169 Å) and Si II (1304.369 Å).