Page:JOSA-Vol 06-06.djvu/36

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558
L. T. Troland
[J.O.S.A. & R.S.I, VI

Table 7

Relative Energy of a Black Body at Various Temperatures and Wave-Lengths

Abso-
lute
Tem-
perature
1000 1200 1400 1600 1800 2000 2200 2400 2600 3000 3600 5000 5000
Wave-
length
×10-15 ×10-13 ×10-12 ×10-11 ×10-10 ×10-9 ×10-8 ×10-8 ×10-7 ×10-7 ×10-6 ×10-5 ×10-5
400 26 101 727 1787 2158 1584 809 3148 994 6256 4612 7465 7482
410 54 186 1200 2728 3101 2168 1064 4005 1230 7403 5056 7872 7878
420 111 330 1926 4037 4368 2915 1378 5026 1502 8663 5782 8244 8252
430 214 568 3024 5949 6037 3856 1757 6220 1813 10038 6407 8591 8601
440 416 954 4642 8519 8204 5022 2212 7608 2163 11520 7051 8911 8923
450 766 1559 6946 11976 10965 6449 2747 9194 2555 13111 7724 9208 9222
460 1375 2490 10210 16550 14440 8171 3373 10995 2989 14798 8373 9475 9492
470 2396 3388 14740 22510 18750 10226 4096 13020 3464 16580 9041 9716 9737
480 4091 5947 20390 30140 24030 12650 4923 15280 3982 18450 9712 9933 9957
490 6776 8933 29130 39810 30420 15480 5860 17770 4544 19975 10378 10123 10151
500 10990 13169 40030 51890 38080 18760 6914 20500 5143 24410 11039 10286 10319
510 17460 19020 54170 66820 47140 22510 8087 23480 5784 24480 11688 10429 10466
520 27230 27090 72340 85020 57780 26770 9382 26690 6464 26614 12329 10544 10586
530 41740 38000 95450 107060 70160 31580 10810 30180 7180 28780 12954 10639 10686
540 62670 52550 124300 133400 84410 36950 12370 33830 7930 30980 13563 10712 10764
550 92730 71710 160200 164600 100720 42920 14050 37750 8712 33205 14148 10762 10820
560 134900 96660 203300 201200 119250 49520 15870 41900 9524 35444 14715 10797 10862
570 193500 128700 257700 243900 140060 56740 17820 46240 10364 37675 15260 10813 10882
580 274100 169400 322140 293400 163470 64640 19900 50790 11234 39920 15782 10811 10887
590 382600 220500 399000 349900 189430 73180 22110 55530 12112 42058 16280 10793 10877