# Subaru Telescope Infrared Tertiary Mirror In-Situ Measured Reflectivity # Coated with Silver on 2014-12-17 # Opened the vacuum chamber: No information # Measured with Subaru Portable Spectrophotometer (SPS) on 2018-09-07 (1360 days after) # Measured three times # Data between 950 nm and 1650 nm are also available (SPS-XWW). # Contact: Hirofumi Okita (okita14@naoj.org) # # Wavelength (nm) #1 #2 #3 1000 95.77 95.88 96.14 998 96.22 96.75 96.49 996 96.25 95.93 96.13 994 96.84 95.77 95.53 992 96.34 96.84 95.97 990 96.16 95.48 95.95 988 96.17 95.93 95.85 986 97.02 95.71 95.82 984 95.67 96.29 96.00 982 95.75 95.88 96.44 980 96.32 96.39 96.66 978 95.94 95.57 96.59 976 95.96 95.92 96.18 974 95.68 96.48 96.33 972 95.37 96.50 96.76 970 96.03 96.00 96.51 968 96.28 96.42 95.60 966 95.75 96.64 95.71 964 96.22 95.68 95.65 962 96.22 96.03 96.03 960 95.77 95.90 96.39 958 96.44 96.34 95.54 956 96.62 96.43 96.24 954 96.54 96.70 95.73 952 96.22 96.70 95.53 950 96.02 96.14 95.72 948 96.47 95.66 95.33 946 96.54 96.14 96.39 944 96.33 96.08 96.06 942 95.88 95.91 95.86 940 96.22 96.39 95.96 938 96.47 96.84 96.59 936 96.29 96.62 96.03 934 96.30 96.05 96.27 932 95.97 95.90 96.01 930 96.28 96.24 95.33 928 95.79 96.16 96.01 926 95.77 96.33 96.15 924 95.84 96.26 95.91 922 96.45 96.32 96.22 920 95.84 96.45 96.11 918 96.37 96.15 96.25 916 96.13 96.10 95.67 914 95.66 96.86 95.89 912 96.24 96.23 96.10 910 95.74 96.27 96.09 908 96.18 96.04 96.07 906 95.83 96.25 95.98 904 95.86 96.09 96.23 902 96.17 96.26 95.67 900 96.06 96.44 95.75 898 96.25 96.25 95.76 896 96.20 95.96 95.91 894 96.07 95.69 95.52 892 95.56 95.65 95.85 890 95.48 96.02 95.50 888 96.57 96.34 95.76 886 95.88 95.51 95.62 884 95.94 95.97 95.67 882 95.61 96.01 95.28 880 95.54 96.26 95.47 878 96.03 96.25 95.61 876 95.73 95.83 95.58 874 95.67 96.11 95.98 872 96.19 95.81 95.99 870 95.89 95.50 95.37 868 96.03 95.84 95.65 866 95.54 95.83 95.96 864 95.84 95.82 95.68 862 95.94 95.81 95.93 860 95.83 95.67 95.89 858 95.68 95.71 95.26 856 95.74 95.88 95.48 854 95.44 95.61 95.75 852 95.59 95.95 95.30 850 95.79 95.56 95.62 848 95.69 95.42 95.50 846 96.06 95.49 95.68 844 96.06 95.36 95.68 842 95.43 95.45 95.65 840 95.58 95.63 95.78 838 95.82 95.73 95.13 836 95.89 95.68 95.36 834 95.59 95.73 95.50 832 95.46 95.39 95.53 830 95.63 94.69 95.55 828 95.46 95.49 95.51 826 95.06 95.39 95.59 824 95.74 95.27 95.50 822 95.32 95.35 95.04 820 95.06 95.43 94.98 818 95.10 95.23 95.01 816 94.93 95.78 95.43 814 95.46 95.20 95.03 812 95.38 95.75 95.33 810 95.34 95.55 94.90 808 95.34 94.90 95.32 806 95.41 95.04 94.85 804 95.61 95.24 94.62 802 95.70 95.43 95.18 800 95.36 95.18 95.11 798 95.28 95.45 95.08 796 94.84 95.20 94.97 794 95.41 94.79 95.05 792 95.22 94.92 94.71 790 94.80 95.10 95.02 788 95.11 95.52 94.60 786 95.00 95.26 95.16 784 95.05 94.90 94.73 782 94.93 94.87 94.52 780 95.11 95.11 94.96 778 95.21 95.10 94.98 776 95.12 95.17 94.51 774 94.98 95.00 94.92 772 95.10 94.80 94.38 770 94.89 95.01 94.69 768 95.09 94.95 94.52 766 94.69 95.00 94.75 764 94.73 94.71 94.78 762 94.95 95.02 94.76 760 94.53 94.48 94.69 758 94.72 94.22 94.50 756 94.84 94.55 94.28 754 94.56 94.68 94.32 752 94.73 94.21 94.70 750 94.72 94.64 94.47 748 94.32 94.39 94.64 746 94.59 94.58 94.40 744 94.54 94.30 94.25 742 94.91 94.52 94.13 740 94.56 94.46 94.17 738 94.23 94.23 94.16 736 94.34 94.35 93.99 734 94.38 94.36 93.89 732 94.20 94.12 93.96 730 94.41 94.20 94.00 728 94.30 94.00 93.71 726 94.09 94.09 94.11 724 93.75 94.11 93.88 722 94.08 93.96 93.98 720 94.11 94.06 93.99 718 93.97 94.04 93.83 716 94.07 93.53 93.70 714 93.98 93.83 93.69 712 93.85 94.07 93.85 710 93.78 93.85 93.68 708 93.83 93.84 93.70 706 93.81 93.60 93.57 704 93.99 93.63 93.43 702 93.81 93.72 93.24 700 93.55 93.51 93.61 698 93.61 93.57 93.56 696 93.51 93.60 93.23 694 93.67 93.33 93.54 692 93.41 93.30 93.45 690 93.19 93.23 93.16 688 93.70 93.45 93.48 686 93.48 93.29 93.11 684 93.39 93.12 93.13 682 93.22 93.22 93.24 680 93.21 93.22 93.07 678 93.33 92.98 92.92 676 93.15 93.03 92.87 674 92.99 92.89 92.99 672 93.15 93.03 92.71 670 92.89 93.02 92.73 668 93.03 93.02 92.59 666 92.90 92.96 92.71 664 92.90 92.71 92.63 662 92.86 92.75 92.60 660 92.57 92.67 92.29 658 92.69 92.49 92.39 656 92.62 92.53 92.25 654 92.43 92.55 92.40 652 92.44 92.28 92.23 650 92.15 92.24 92.06 648 92.15 92.08 92.00 646 92.21 91.90 92.03 644 91.99 92.16 91.85 642 91.87 92.07 91.79 640 92.14 91.89 91.77 638 91.92 91.64 91.76 636 91.80 91.73 91.70 634 91.82 91.71 91.82 632 91.77 91.69 91.61 630 91.77 91.63 91.47 628 91.73 91.68 91.54 626 91.66 91.56 91.35 624 91.82 91.43 91.33 622 91.79 91.43 91.28 620 91.47 91.20 91.30 618 91.24 91.37 91.28 616 91.43 91.21 91.24 614 91.22 91.13 90.93 612 91.22 91.28 91.25 610 91.33 91.11 91.02 608 91.14 90.91 90.82 606 91.02 90.69 90.89 604 91.09 90.86 90.68 602 90.78 90.75 90.57 600 91.00 90.71 90.52 598 90.81 90.84 90.79 596 90.78 90.61 90.51 594 90.88 90.64 90.52 592 90.62 90.55 90.35 590 90.51 90.35 90.16 588 90.57 90.11 90.22 586 90.59 90.49 90.29 584 90.35 90.23 89.96 582 90.41 90.14 89.93 580 90.16 89.92 89.73 578 89.95 90.01 89.92 576 89.88 89.84 89.93 574 90.04 89.95 89.56 572 89.87 89.46 89.54 570 89.69 89.71 89.59 568 89.85 89.48 89.30 566 89.69 89.50 89.24 564 89.38 89.32 89.22 562 89.46 89.33 88.83 560 89.23 88.94 88.98 558 89.19 88.93 88.85 556 89.09 88.82 88.94 554 89.00 88.75 88.62 552 88.62 88.39 88.49 550 88.71 88.47 88.35 548 88.57 88.39 88.34 546 88.63 88.37 88.15 544 88.42 88.10 88.27 542 88.21 87.99 88.10 540 88.17 87.71 88.01 538 88.28 87.64 87.52 536 87.92 87.64 87.68 534 87.62 87.55 87.54 532 87.60 87.21 87.39 530 87.50 87.21 87.19 528 87.48 86.94 87.00 526 87.27 86.84 86.84 524 86.93 86.69 86.88 522 86.74 86.70 86.57 520 86.75 86.48 86.31 518 86.51 86.44 86.35 516 86.32 85.93 86.20 514 86.23 85.98 85.89 512 86.02 85.64 85.77 510 85.96 85.72 85.38 508 85.70 85.36 85.32 506 85.35 85.26 85.06 504 85.47 84.94 84.99 502 85.07 84.64 84.65 500 85.00 84.55 84.58 498 84.79 84.27 84.62 496 84.34 84.07 84.16 494 84.31 83.78 83.98 492 83.99 83.53 83.62 490 83.79 83.43 83.14 488 83.40 83.19 83.08 486 83.24 82.86 83.00 484 83.41 82.79 82.70 482 82.86 82.52 82.51 480 82.65 82.01 82.47 478 82.32 81.76 81.95 476 82.29 81.75 81.82 474 81.72 81.22 81.55 472 81.83 81.23 81.14 470 81.27 80.80 80.87 468 80.98 80.47 80.68 466 80.76 80.43 80.16 464 80.55 80.11 79.91 462 80.18 79.34 79.48 460 79.89 79.36 79.39 458 79.39 79.02 79.22 456 78.70 78.54 78.63 454 79.15 78.01 78.39 452 78.41 77.74 77.98 450 78.00 77.63 77.94 448 77.92 77.19 77.44 446 77.40 76.95 76.99 444 77.02 76.74 76.36 442 76.60 75.94 76.26 440 76.09 75.84 76.28 438 76.07 75.19 75.51 436 75.54 75.09 75.31 434 75.57 74.55 74.50 432 74.61 74.34 74.41 430 73.99 74.01 73.59 428 73.66 73.16 73.44 426 73.42 72.40 72.97 424 73.19 72.57 72.41 422 72.82 72.04 72.10 420 71.89 71.53 71.48 418 71.30 70.55 71.11 416 70.93 70.16 70.54 414 70.09 69.49 69.89 412 69.45 69.11 69.19 410 68.70 68.60 68.56 408 68.19 67.63 67.94 406 67.83 67.87 67.59 404 66.97 66.97 67.14 402 66.57 65.92 66.99 400 66.34 65.21 65.55 398 65.44 64.66 65.31 396 64.45 65.05 65.04 394 64.19 64.06 64.57 392 63.77 63.02 63.53 390 62.91 62.97 63.05 388 62.54 62.47 62.87 386 62.48 62.34 62.68 384 61.65 61.50 61.78 382 61.60 61.08 61.43 380 61.18 60.15 61.44 1650 97.19 97.31 96.95 1640 97.19 97.31 96.96 1630 97.20 97.31 96.96 1620 97.20 97.30 96.95 1610 97.19 97.30 96.97 1600 97.19 97.30 96.95 1590 97.19 97.30 96.95 1580 97.18 97.29 96.95 1570 97.19 97.28 96.95 1560 97.18 97.30 96.95 1550 97.17 97.28 96.95 1540 97.17 97.27 96.95 1530 97.17 97.26 96.95 1520 97.17 97.26 96.96 1510 97.17 97.27 96.95 1500 97.16 97.25 96.95 1490 97.16 97.25 96.96 1480 97.15 97.25 96.95 1470 97.15 97.23 96.95 1460 97.14 97.22 96.94 1450 97.13 97.22 96.94 1440 97.13 97.21 96.93 1430 97.12 97.20 96.93 1420 97.12 97.20 96.92 1410 97.11 97.19 96.92 1400 97.11 97.18 96.91 1390 97.10 97.18 96.91 1380 97.09 97.17 96.91 1370 97.08 97.15 96.88 1360 97.07 97.13 96.87 1350 97.03 97.12 96.85 1340 97.04 97.11 96.85 1330 97.02 97.10 96.85 1320 97.01 97.10 96.84 1310 97.00 97.09 96.82 1300 96.99 97.08 96.82 1290 96.99 97.07 96.80 1280 96.97 97.06 96.81 1270 96.96 97.05 96.79 1260 96.95 97.05 96.78 1250 96.94 97.04 96.77 1240 96.94 97.03 96.76 1230 96.92 97.02 96.75 1220 96.91 97.01 96.74 1210 96.90 96.99 96.73 1200 96.89 96.98 96.72 1190 96.86 96.97 96.70 1180 96.85 96.95 96.68 1170 96.84 96.94 96.67 1160 96.83 96.93 96.66 1150 96.82 96.91 96.64 1140 96.81 96.90 96.62 1130 96.78 96.88 96.62 1120 96.77 96.87 96.60 1110 96.75 96.84 96.58 1100 96.74 96.83 96.56 1090 96.71 96.80 96.54 1080 96.69 96.76 96.53 1070 96.67 96.75 96.50 1060 96.66 96.72 96.48 1050 96.63 96.70 96.45 1040 96.61 96.67 96.43 1030 96.57 96.64 96.40 1020 96.55 96.61 96.38 1010 96.52 96.58 96.35 1000 96.49 96.54 96.31 990 96.44 96.51 96.29 980 96.40 96.47 96.26 970 96.38 96.43 96.22 960 96.35 96.39 96.17 950 96.31 96.34 96.13