TABLE I
Details of monochromators in the measuring system.
Monochromator Model No. Wavelength Range (nm) No. of readings taken Detector Bandwidth (nm) Filter Ultraviolet 33-86-01 265-397 76 E.M.I. 9526B 2.4 Corning Photomultiplier 7-54 Visible 33-86-02 386-783 106 E.M.I. 9698B 4.8 Wrattena Photomultiplier 2E Infrared #1 33-86-03 773-1516 51 Kodak 19.2 Wratten Ektron 87 PbS (1 cm2 ) Infrared #2 33-86-04 1449-2875 51 Kodak 37.5 Grubb Parsons Ektron Si PbS
a Inserted automatically at 540 nm.
TABLE II
Mean distribution and first three characteristic vectors for Bendigo results. X 0 = 26 750, X 1 = 1491, X 2 = 128.0; Y 0 = 27 440, Y 1 = 1532, Y 2 = 744.0; S 0 = 83 820, S 1 = 49 333, S 2 = 8476.
λ Ē λ (λ)V 1 (λ)V 2 (λ)V 3 (λ)264.4 0 0 0 0 266.2 0 0 1 0 268.0 0 0 1 0 269.9 0 0 1 0 271.7 0 0 1 0 273.6 0 0 3 0 275.4 0 0 1 0 277.2 0 0 2 0 279.1 0 0 3 0 280.9 0 0 2 0 282.8 0 0 2 1 284.6 0 0 1 0 286.4 1 2 2 2 288.3 3 7 0 9 290.1 2 16 −2 3 292.0 3 18 5 1 293.8 5 26 −3 4 295.6 4 22 −5 3 297.5 6 35 −3 0 299.3 8 43 −15 8 301.1 8 48 −29 10 303.0 14 108 −74 17 304.8 24 185 −129 31 306.7 31 242 −166 35 308.5 52 391 −260 60 310.3 99 764 −457 102 312.2 108 795 −440 108 314.0 137 986 −481 117 315.9 134 973 −405 95 317.7 154 1060 −384 103 319.5 201 1361 −407 109 321.4 222 1475 −395 118 323.2 299 1914 −430 135 325.1 319 2030 −393 146 326.9 374 2265 −363 130 328.7 454 2738 −364 164 330.6 437 2630 −291 142 332.4 431 2517 −239 122 334.3 428 2437 −207 114 336.1 436 2441 −170 91 337.6 380 2064 −137 94 339.4 465 2496 −149 98 341.1 520 2751 −112 111 342.8 499 2593 −134 100 344.5 460 2349 −103 98 346.2 419 2123 −66 70 347.9 484 2408 −100 89 249.6 504 2492 −76 88 351.3 506 2446 −58 73 353.0 576 2714 −34 64 354.7 498 2336 −53 81 356.4 478 2197 −35 35 358.1 487 2184 −10 33 359.8 535 2356 −27 34 361.6 534 2312 7 28 363.3 584 2496 −11 37 365.0 606 2510 −9 41 366.7 650 2669 18 34 368.4 642 2603 −6 49 370.1 624 2534 6 24 371.8 565 2221 29 23 373.5 536 2063 20 15 375.2 580 2183 18 26 376.9 652 2428 38 16 378.6 654 2387 49 −1 380.3 563 2038 37 14 382.1 470 1650 47 8 383.8 490 1704 50 −9 385.5 541 1852 79 −27 387.2 583 1932 57 −3 388.9 629 2070 63 −7 390.6 583 1892 66 −21 392.3 532 1714 78 −3 394.0 522 1627 76 −4 395.7 568 1735 82 −19 397.4 668 2011 107 −16 386.3 526 2006 70 9 390.2 610 2175 128 −10 394.2 640 2183 130 13 398.1 590 1877 102 17 402.0 790 2386 136 −15 406.0 957 2826 202 −18 409.9 982 2700 231 −41 413.8 989 2584 217 −27 417.8 1028 2581 234 −61 421.7 1000 2385 239 −59 425.6 1003 2288 246 −66 429.6 959 2094 240 −59 433.5 911 1891 245 −55 437.4 988 1915 255 −58 441.4 1030 1915 274 −59 445.3 1084 1894 284 −72 449.2 1125 1864 299 −75 453.2 1191 1854 330 −77 457.1 1193 1761 335 −80 461.0 1183 1628 323 −66 465.0 1194 1558 322 −76 468.9 1167 1413 324 −68 472.8 1159 1325 305 −76 476.8 1172 1255 294 −76 480.7 1171 1157 266 −76 484.6 1178 1099 270 −77 488.6 1107 957 273 −65 492.5 1114 890 270 −64 496.4 1132 830 276 −54 500.4 1118 766 256 −59 504.3 1092 677 224 −66 508.2 1093 615 201 −60 512.2 1088 554 205 −52 516.1 1062 494 195 −42 520.0 1011 416 181 −30 524.0 1049 377 175 −25 527.9 1050 331 130 −22 531.8 1063 303 105 −28 535.8 1062 255 93 −24 539.7 1047 215 92 −16 543.6 1035 157 74 −15 547.6 1035 130 50 −6 551.5 1037 85 43 −3 555.5 1032 41 28 1 559.4 1000 0 0 0 563.3 993 −37 −38 0 567.3 980 −81 −60 −10 571.2 969 −119 −107 −18 575.1 962 −149 −145 −27 579.1 958 −185 −140 −29 583.0 990 −230 −109 25 586.9 968 −299 −77 −27 590.9 926 −282 −97 −44 594.8 922 −294 −112 −61 598.7 932 −326 −129 −37 602.7 931 −360 −138 −10 606.4 938 −392 −123 −4 610.2 936 −423 −108 4 613.9 919 −445 −83 11 617.6 913 −469 −59 15 621.4 917 −495 −48 14 625.1 901 −507 −44 5 628.8 880 −518 −68 −5 632.6 877 −543 −48 −5 636.3 890 −566 6 15 640.0 896 −596 44 23 643.7 890 −612 68 29 647.5 871 −609 66 11 651.2 865 −624 79 5 654.9 845 −633 96 22 658.7 847 −652 118 40 662.4 877 −693 145 46 666.1 887 −721 159 61 669.9 882 −732 176 57 673.6 879 −741 181 64 677.3 878 −757 204 64 681.1 875 −769 200 68 684.8 830 −732 170 47 688.5 757 −665 72 1 692.3 754 −665 74 −7 696.0 785 −700 147 15 699.7 801 −721 174 44 703.4 809 −730 183 71 707.2 818 −745 192 107 710.9 825 −724 213 144 713.8 805 −716 207 124 717.3 732 −636 143 55 720.7 677 −588 101 28 724.2 673 −579 102 30 727.6 677 −578 95 52 731.1 705 −606 122 84 734.5 762 −688 139 206 737.9 793 −698 179 271 741.4 808 −676 215 311 744.8 811 −710 221 358 748.3 825 −701 248 397 751.7 811 −719 213 390 755.1 776 −661 220 351 758.6 622 −453 154 235 762.0 441 −341 −50 126 765.5 484 −385 −22 170 768.9 651 −469 136 266 772.3 726 −546 248 354 775.8 740 −458 334 393 779.2 748 −622 282 530 782.7 711 −472 300 444
TABLE III
Mean distribution and first four characteristic vectors for Coburg results. X 0 = 26 850, X 1 = −172.9, X 2 = −156.6; Y0 = 27 330, Y1 = −59.12, Y2 = −396.9; S 0 = 81 770, S 1 = 10 520, S 2 = −1161.
λ Ē λ (λ)V 1 (λ)V 2 (λ)V 3 (λ)V 4 (λ)264.4 0 0 0 0 0 266.2 0 0 0 0 0 268.1 0 0 0 0 0 269.9 0 0 0 0 0 271.7 0 0 0 0 0 273.6 0 0 0 0 0 275.4 0 0 0 0 0 277.3 0 0 0 0 0 279.1 0 0 0 0 0 281.0 0 0 0 0 0 282.8 0 0 −1 0 0 284.6 0 −4 −3 3 −1 286.5 1 −1 −4 3 −3 288.3 2 0 3 5 −3 290.2 4 7 5 −2 −7 292.0 5 13 6 4 −7 293.8 4 7 2 −3 5 295.7 5 8 2 −4 7 297.5 6 12 1 −5 6 299.4 8 18 5 14 14 301.2 12 34 −1 −32 34 303.1 24 68 8 −51 29 304.9 35 99 5 −66 43 306.7 47 131 −4 −87 72 308.6 66 206 1 −153 141 310.4 95 248 11 −128 95 312.3 124 340 5 −198 147 314.1 136 315 −14 −131 134 315.9 157 416 23 −192 162 317.8 200 455 17 −129 99 319.6 214 451 18 −64 44 321.5 231 479 13 −65 77 323.3 262 539 24 −57 60 325.2 313 620 37 −51 31 327.0 362 749 11 −84 123 328.8 390 717 48 50 −17 330.7 425 802 77 −70 4 332.5 388 741 22 −93 126 334.4 385 670 −1 −27 73 336.2 398 746 14 −145 164 338.1 409 693 4 19 3 340.0 420 677 −15 12 55 341.7 433 721 −17 −34 119 343.4 424 688 65 31 −49 345.0 402 623 9 6 8 346.7 410 628 35 −33 29 348.4 430 652 25 7 15 350.1 461 690 21 −3 −14 351.8 447 647 1 27 15 353.4 497 702 23 35 15 355.1 463 625 −26 66 12 356.8 416 566 −18 30 16 358.5 425 544 18 40 −11 360.2 454 607 −71 20 106 361.9 471 567 −17 80 −40 363.5 519 648 17 22 −27 365.2 554 669 −4 72 −26 366.9 563 698 −52 −7 90 368.6 568 646 −43 51 36 370.3 540 673 −50 −42 126 371.9 507 582 −35 26 43 373.6 490 540 −33 48 27 375.3 530 597 −24 21 47 377.0 577 586 −45 101 −18 378.7 577 623 −78 4 100 380.4 505 518 −43 50 23 382.0 445 431 −51 58 20 383.7 446 422 −26 67 −2 385.4 484 462 −47 54 23 387.1 502 480 −41 44 54 388.8 548 491 −71 91 70 390.4 562 457 2 142 −129 392.1 499 440 −8 54 −14 393.8 482 434 −44 47 70 395.5 513 440 −41 89 34 397.2 640 519 27 148 −160 384.4 462 441 66 62 −103 388.3 506 454 90 42 −87 392.2 507 484 43 15 4 396.1 555 456 36 70 −82 400.0 741 613 10 85 −57 404.0 819 617 32 96 −91 407.9 828 630 −2 65 −34 411.8 878 631 26 69 −92 415.7 891 592 28 50 −54 419.7 882 554 14 62 −56 423.6 879 530 30 64 −84 427.5 828 482 26 55 −78 431.4 835 452 6 76 −79 435.3 907 471 −17 67 −42 439.3 952 461 −24 70 −39 443.2 1008 461 −24 71 −52 447.1 1056 447 −36 92 −46 451.0 1084 441 −21 84 −54 455.0 1087 422 −34 80 −41 458.9 1103 389 −42 86 −35 462.8 1105 374 −31 67 −30 466.7 1086 337 −35 81 −30 470.6 1090 311 −44 81 −26 474.6 1100 290 −60 90 −8 478.5 1120 274 −40 78 −10 482.4 1090 251 −18 72 −27 486.3 1040 215 −36 84 −36 490.2 1064 202 −49 91 −24 494.2 1080 185 −43 92 −24 498.1 1061 168 −18 86 −30 502.0 1040 126 −51 94 −8 505.9 1049 112 −53 95 9 509.9 1050 120 −31 80 −12 513.8 999 114 −16 55 −12 517.7 988 98 −24 63 −17 521.6 1021 90 −8 53 −21 525.5 1026 76 −7 52 −12 529.5 1037 84 −11 61 1 533.4 1042 53 −16 84 −39 537.3 1025 59 −5 49 10 541.2 1019 16 −17 70 −9 545.2 1021 23 −25 46 19 549.1 1029 28 −6 43 1 553.0 1017 32 3 21 12 556.9 1004 15 9 26 −4 560.8 1000 0 0 0 0 564.8 986 −15 −20 27 22 568.7 977 −47 −35 35 52 572.6 978 −36 −36 −5 74 576.5 982 −49 −22 14 36 580.5 994 −53 −20 18 30 584.4 968 −103 −43 47 62 588.3 929 −157 −95 88 113 592.2 947 −160 −106 86 74 596.1 966 −121 −13 35 82 600.6 980 −84 −3 −1 54 604.3 988 −75 26 −13 12 608.0 975 −79 38 −17 4 611.7 960 −91 38 −3 −6 615.5 957 −102 36 12 −13 619.2 957 −113 37 7 −4 622.9 936 −138 29 15 −1 626.6 920 −158 8 16 28 630.3 923 −159 22 21 18 634.0 939 −156 45 31 −15 637.8 938 −154 46 32 −16 641.5 925 −199 27 77 −13 645.2 902 −237 −11 103 37 648.9 890 −236 −10 97 45 652.6 871 −219 13 86 15 656.3 895 −210 38 82 −30 660.1 923 −191 61 63 −45 663.8 929 −195 76 58 −49 667.5 924 −188 78 56 −63 671.2 917 −194 77 56 −55 674.9 915 −187 77 50 −47 678.6 902 −198 82 59 −45 682.4 838 −202 50 28 5 686.1 779 −232 10 61 26 689.8 790 −280 −15 122 57 693.5 811 −304 −30 154 81 697.2 814 −303 −8 164 63 700.9 821 −283 1 154 54 704.7 836 −255 44 136 28 708.4 836 −232 63 118 6 711.3 783 −253 21 140 80 714.8 690 −326 −101 220 187 718.3 655 −375 −121 266 210 721.7 659 −371 −119 278 228 725.2 660 −357 −96 259 210 728.6 700 −281 −23 199 159 732.1 747 −211 70 162 95 735.6 774 −138 140 122 16 739.0 796 −77 237 84 −47 742.5 801 −36 268 47 −26 746.0 795 −35 284 57 −62 749.4 797 −6 337 22 −72 752.9 708 −23 306 −15 6 756.3 522 −38 178 7 129 759.8 422 −47 179 40 171 763.3 532 −18 308 7 92 766.7 659 18 434 18 18 770.2 710 94 541 −3 34 773.7 705 124 612 46 51 777.1 685 50 632 12 73 780.6 662 64 652 87 99
TABLE IV
Chromaticity coordinates and scalar multiples used for reconstituted daylight shown in Fig. 6
Bendigo Coburg Correlated color temperature (Kelvin) Chromaticity coordinates (on the line y = −0.96 x 2 + 1.585 x − 0.080 54) Scalar multiples Chromaticity coordinates (on the line y = 2.221 x 2 − 0.4888 x + 0.2553) Scalar multiples
x y M 1 M 2 x y M 1 M 2 5500 0.3323 0.3402 −0.057 16 −0.09475 0.3323 0.3381 −0.088 45 −0.002 91 6500 0.3137 0.3222 0.022 43 0.057 47 0.3139 0.3207 0.3250 −0.2724 7500 0.3006 0.3091 0.095 24 0.1182 10 000 0.2805 0.2885 0.2401 0.1227
TABLE V
Relative spectral irradiance of reconstituted Bendigo daylight at three correlated color temperatures.
Wavelength (nm) 5500 K Relative spectral irradiance 6500 K 7500 K 264.4 0 0 0 266.2 0 0 0 268.0 0 0 0 269.9 0 0 0 271.7 0 0 0 273.6 0 0 0 275.4 0 0 0 277.2 0 0 0 279.1 0 0 0 280.9 0 0 0 282.8 0 1 1 284.6 0 1 1 286.4 1 1 2 288.3 3 4 4 290.1 2 3 4 292.0 2 4 6 293.8 4 6 8 295.6 4 5 6 297.5 4 6 9 299.3 7 8 10 301.1 8 7 9 303.0 15 13 16 304.8 26 21 26 306.7 33 27 35 308.5 54 45 58 310.3 99 90 118 312.2 104 101 132 314.0 126 131 174 315.9 117 133 179 317.7 130 156 210 319.5 162 208 283 321.4 176 233 316 323.2 230 317 430 325.1 240 342 466 326.9 279 404 547 328.7 332 494 672 330.6 314 479 653 332.4 310 473 642 334.3 308 471 636 336.1 312 481 648 337.6 275 419 561 339.4 336 512 685 341.1 374 576 769 342.8 364 550 730 344.5 335 507 672 346.2 304 463 614 347.9 356 532 701 349.6 368 555 732 351.3 371 557 732 353.0 424 635 830 354.7 369 547 714 356.4 356 526 683 358.1 363 535 693 359.8 403 586 756 361.6 401 586 755 363.3 442 639 820 365.0 464 662 844 366.7 495 710 906 368.4 493 700 889 370.1 479 682 867 371.8 435 617 780 373.5 416 584 735 375.2 454 630 790 376.9 510 709 888 378.6 513 711 887 380.3 443 611 761 382.1 371 509 632 383.8 387 531 658 385.5 427 587 726 387.2 467 629 773 388.9 505 679 834 390.6 468 629 771 392.3 426 575 704 394.0 421 562 686 395.7 461 611 742 397.4 543 719 872 386.3 405 575 726 390.2 474 666 833 394.2 503 696 863 398.1 473 638 781 402.0 641 851 1033 406.0 777 1032 1250 409.9 806 1056 1267 413.8 821 1060 1261 417.8 858 1099 1302 421.7 841 1067 1255 425.6 849 1068 1250 429.6 816 1020 1187 433.5 780 967 1120 437.4 855 1046 1201 441.4 895 1089 1245 445.3 949 1143 1298 449.2 990 1184 1338 453.2 1054 1252 1407 457.1 1061 1252 1400 461.0 1059 1238 1376 465.0 1074 1248 1380 468.9 1056 1217 1340 472.8 1054 1206 1321 476.8 1072 1217 1326 480.7 1080 1212 1313 484.6 1090 1218 1315 488.6 1026 1144 1230 492.5 1038 1150 1231 496.4 1058 1166 1244 500.4 1050 1150 1221 504.3 1032 1120 1183 508.2 1039 1118 1175 512.2 1037 1112 1165 516.1 1015 1084 1132 520.0 970 1031 1072 524.0 1011 1068 1106 527.9 1019 1065 1097 531.8 1036 1076 1104 535.8 1039 1073 1097 539.7 1026 1057 1078 543.6 1019 1043 1059 547.6 1023 1041 1053 551.5 1028 1041 1050 555.5 1027 1034 1039 559.4 1000 1000 1000 563.3 999 990 985 567.3 990 975 965 571.2 986 960 945 575.1 985 951 931 579.1 982 946 924 583.0 1013 978 955 586.9 993 957 931 590.9 951 914 887 594.8 950 909 881 598.7 962 917 885 602.7 964 915 880 606.4 973 923 887 610.2 970 920 882 613.9 953 905 867 617.6 945 899 861 621.4 950 903 864 625.1 934 887 848 628.8 916 864 822 632.6 912 862 819 636.3 922 878 837 640.0 926 885 844 643.7 919 880 840 647.5 900 862 821 651.2 893 856 815 654.9 872 836 796 658.7 874 840 799 662.4 903 870 828 666.1 914 880 838 669.9 907 876 833 673.6 904 873 830 677.3 902 873 830 681.1 900 869 825 684.8 855 823 780 688.5 788 746 702 692.3 785 743 699 696.0 811 777 735 699.7 826 795 753 703.4 834 804 762 707.2 842 812 769 710.9 846 821 781 713.8 826 801 761 717.3 755 726 688 720.7 701 669 633 724.2 697 666 630 727.6 702 670 634 731.1 728 699 662 734.5 788 754 713 737.9 816 788 748 741.4 826 805 769 744.8 831 808 770 748.3 842 824 788 751.7 832 807 768 755.1 793 774 739 758.6 633 620 597 762.0 465 430 402 765.5 509 475 445 768.9 665 648 622 772.3 734 728 703 775.8 734 749 736 779.2 756 750 722 782.7 710 718 702
TABLE VI
Absolute spectral irradiance at 560 nm for clear sky conditions.
Solar altitude (degrees) Spectral irradiance at 560 nm (μ W cm−2 nm−1 ) 25 66 30 81 35 96 40 107 45 119 50 138 55 151 60 166 65 174
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