# 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 2019-10-21 (1769 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 94.53 94.12 94.16 998 94.17 94.15 94.72 996 95.23 94.27 93.97 994 94.02 94.48 94.54 992 95.31 93.92 95.05 990 95.57 95.03 94.67 988 94.27 94.41 93.65 986 95.06 95.10 94.16 984 94.15 93.89 94.70 982 94.61 94.26 94.30 980 94.32 94.52 94.82 978 94.60 94.69 94.07 976 94.55 94.29 93.87 974 94.30 95.00 94.92 972 94.89 93.63 94.52 970 95.81 95.00 93.94 968 95.29 94.96 95.08 966 94.47 94.58 94.89 964 94.97 94.43 94.60 962 94.98 94.14 94.93 960 94.64 94.94 94.46 958 93.98 94.28 94.89 956 93.72 94.42 94.72 954 94.11 94.78 95.20 952 94.68 94.84 94.73 950 95.23 94.72 95.06 948 94.70 93.95 94.77 946 94.56 94.03 95.00 944 94.20 94.62 95.25 942 94.27 94.19 94.84 940 94.32 95.00 94.88 938 94.97 94.39 94.53 936 94.09 94.35 94.14 934 94.01 94.27 94.50 932 94.10 94.30 94.17 930 94.20 93.88 94.62 928 94.68 94.69 94.01 926 94.23 94.88 94.72 924 94.33 94.08 94.50 922 94.23 94.17 94.56 920 94.68 94.40 94.67 918 94.06 93.89 94.45 916 93.88 93.92 94.27 914 94.15 94.58 94.61 912 94.28 94.46 94.19 910 94.20 94.69 94.31 908 94.44 94.32 94.33 906 94.09 94.38 94.27 904 93.85 94.28 94.46 902 94.23 94.20 94.68 900 94.49 94.16 94.39 898 93.89 94.19 94.27 896 93.65 94.45 94.04 894 94.30 94.40 94.40 892 94.05 94.36 94.49 890 94.17 94.20 94.23 888 94.09 94.05 94.26 886 93.71 93.71 94.30 884 93.91 93.81 94.38 882 93.75 94.18 94.21 880 93.35 93.93 94.19 878 93.69 93.65 93.93 876 93.81 93.89 94.02 874 93.90 93.73 93.98 872 93.73 93.86 94.02 870 93.86 94.04 94.19 868 93.84 93.40 93.77 866 93.75 93.49 94.08 864 93.24 93.61 94.06 862 93.46 93.92 93.86 860 93.53 93.68 94.06 858 93.66 93.52 93.91 856 93.58 93.88 93.92 854 93.15 93.80 93.89 852 93.54 93.69 93.67 850 93.57 93.55 93.77 848 93.51 93.21 93.40 846 93.27 93.64 93.61 844 93.19 93.52 93.95 842 93.40 93.32 93.35 840 93.37 93.72 93.58 838 93.66 93.65 93.18 836 93.55 92.97 93.28 834 93.57 93.75 93.42 832 93.16 93.50 93.37 830 93.43 92.92 93.53 828 93.39 93.62 93.85 826 93.14 93.55 93.35 824 92.76 93.09 93.12 822 92.97 93.16 93.75 820 92.92 93.32 93.82 818 92.85 93.29 93.19 816 93.08 93.27 93.20 814 92.70 93.54 93.10 812 93.09 92.93 93.03 810 92.62 92.77 92.97 808 93.01 93.07 93.21 806 93.04 92.98 93.21 804 92.80 92.57 93.00 802 92.92 92.94 93.08 800 92.63 92.64 92.95 798 92.36 92.99 92.91 796 92.63 92.94 92.92 794 92.35 92.81 93.07 792 92.60 93.00 92.98 790 92.64 92.87 92.74 788 92.35 92.50 92.97 786 92.28 92.73 92.85 784 92.60 92.45 92.49 782 92.26 92.81 92.43 780 92.39 92.75 92.77 778 92.24 92.36 92.66 776 92.19 92.56 92.89 774 92.48 92.62 92.83 772 92.28 92.36 92.59 770 92.04 92.65 92.36 768 92.21 92.09 92.46 766 92.22 92.41 92.47 764 91.99 92.35 92.52 762 92.06 91.88 92.31 760 91.80 92.06 92.29 758 91.93 92.13 92.37 756 92.00 92.06 92.18 754 91.81 92.15 91.87 752 91.56 92.10 92.11 750 91.63 92.11 92.22 748 91.57 92.16 91.96 746 91.72 91.86 92.17 744 91.45 91.85 92.03 742 91.85 91.62 91.91 740 91.35 91.82 91.69 738 91.39 91.87 92.04 736 91.53 91.74 91.70 734 91.50 91.69 91.58 732 91.30 91.46 91.72 730 91.45 91.52 91.65 728 91.34 91.37 91.59 726 91.03 91.44 91.89 724 91.05 91.57 91.61 722 91.23 91.44 91.25 720 90.89 91.20 91.45 718 91.09 91.19 91.42 716 91.07 91.17 91.38 714 90.98 91.12 91.37 712 90.74 90.98 91.13 710 90.88 91.29 91.13 708 90.61 91.01 91.40 706 90.64 91.12 90.84 704 90.34 90.93 91.14 702 90.49 90.91 91.14 700 90.49 90.73 90.90 698 90.49 90.82 91.01 696 90.38 90.67 90.77 694 90.02 90.66 90.78 692 90.12 90.72 90.66 690 90.09 90.64 90.70 688 89.93 90.61 90.61 686 89.88 90.56 90.52 684 90.13 90.51 90.67 682 89.84 90.56 90.45 680 89.90 90.17 90.23 678 89.85 90.02 90.29 676 89.75 90.12 90.08 674 89.93 90.23 90.04 672 89.60 90.00 90.05 670 89.51 89.99 89.97 668 89.43 89.90 89.94 666 89.27 89.73 89.72 664 89.28 89.65 89.86 662 88.98 89.57 89.81 660 89.10 89.40 89.35 658 88.92 89.49 89.49 656 89.01 89.42 89.58 654 88.96 89.09 89.39 652 88.63 89.12 89.13 650 88.62 88.89 88.92 648 88.27 88.80 89.13 646 88.22 88.59 88.78 644 88.19 88.53 88.84 642 88.26 88.43 88.70 640 88.11 88.56 88.71 638 88.11 88.36 88.73 636 87.79 88.37 88.58 634 87.81 88.48 88.37 632 87.71 88.32 88.32 630 87.56 88.21 88.38 628 87.66 88.33 88.29 626 87.54 88.27 88.23 624 87.39 88.06 88.26 622 87.45 87.89 87.89 620 87.36 87.93 87.93 618 87.23 87.82 87.90 616 87.34 87.66 87.81 614 86.96 87.52 87.95 612 86.91 87.46 87.81 610 86.92 87.49 87.68 608 86.65 87.51 87.59 606 86.63 87.32 87.54 604 86.41 87.19 87.16 602 86.48 87.30 87.41 600 86.25 87.09 87.17 598 86.34 87.15 86.99 596 86.37 87.03 87.01 594 85.95 86.72 86.80 592 85.97 86.70 86.69 590 85.75 86.81 86.61 588 85.75 86.64 86.59 586 85.69 86.31 86.34 584 85.69 86.26 86.30 582 85.55 86.32 86.20 580 85.40 86.01 86.13 578 85.17 85.92 86.10 576 85.19 85.86 85.86 574 84.97 85.80 85.89 572 84.89 85.75 85.81 570 84.73 85.41 85.58 568 84.64 85.37 85.44 566 84.23 85.39 85.45 564 84.42 85.02 85.09 562 84.12 85.03 85.18 560 83.99 84.85 85.03 558 83.97 84.94 84.82 556 83.83 84.82 84.77 554 83.37 84.50 84.66 552 83.42 84.36 84.44 550 83.54 84.30 84.17 548 83.22 84.19 84.06 546 83.27 84.12 84.04 544 82.74 83.83 83.80 542 82.55 83.75 83.88 540 82.64 83.54 83.68 538 82.40 83.42 83.59 536 82.11 83.19 83.22 534 81.93 83.00 82.89 532 81.96 82.72 82.96 530 81.77 82.53 82.73 528 81.41 82.48 82.60 526 81.40 82.17 82.37 524 81.22 82.05 82.26 522 81.16 82.09 81.93 520 80.74 81.96 81.85 518 80.50 81.65 81.49 516 80.19 81.28 81.44 514 80.31 81.22 81.14 512 79.66 80.99 81.13 510 79.69 80.84 81.04 508 79.67 80.50 80.57 506 79.36 80.39 80.28 504 78.81 80.31 80.33 502 78.69 80.07 79.89 500 78.68 79.84 79.73 498 78.63 79.72 79.55 496 78.16 79.42 79.12 494 78.19 79.33 79.01 492 77.59 78.88 78.87 490 77.52 78.69 78.66 488 77.47 78.23 78.16 486 76.95 78.42 78.23 484 76.77 77.89 77.89 482 76.42 77.68 77.30 480 76.13 77.49 77.32 478 76.11 77.38 77.11 476 75.65 77.14 76.76 474 75.33 76.72 76.46 472 75.27 76.32 76.12 470 75.04 76.23 76.05 468 74.65 76.03 75.48 466 74.46 75.56 75.35 464 74.11 75.44 75.31 462 73.67 74.98 74.71 460 73.33 74.80 74.10 458 73.12 74.44 74.10 456 72.92 73.74 73.83 454 72.37 73.81 73.48 452 71.89 73.52 73.22 450 71.43 73.03 72.98 448 71.60 72.69 72.59 446 71.19 72.41 71.88 444 70.45 72.11 71.66 442 70.69 72.02 71.44 440 70.30 71.35 70.72 438 69.61 70.97 70.79 436 69.81 70.41 70.42 434 69.15 70.13 69.68 432 68.68 69.86 69.73 430 68.28 69.39 69.01 428 67.85 69.27 68.68 426 67.12 68.44 68.37 424 66.58 68.54 67.67 422 66.25 67.84 67.67 420 65.95 67.17 67.28 418 65.47 66.92 66.33 416 64.83 66.21 65.64 414 64.24 65.50 65.48 412 64.45 65.54 64.84 410 63.39 64.84 64.55 408 63.17 63.78 64.30 406 62.63 63.72 63.15 404 62.00 62.58 62.70 402 61.76 62.60 62.30 400 61.00 62.29 61.87 398 60.70 62.05 61.20 396 60.43 61.17 61.30 394 59.21 60.12 60.51 392 58.78 60.56 59.57 390 58.61 59.83 58.86 388 58.48 59.33 59.25 386 57.19 58.55 58.85 384 57.25 58.39 57.77 382 56.50 58.27 57.47 380 56.79 58.09 57.74 1650 96.37 96.20 96.37 1640 96.36 96.20 96.37 1630 96.36 96.19 96.37 1620 96.36 96.19 96.38 1610 96.35 96.19 96.37 1600 96.35 96.19 96.37 1590 96.35 96.19 96.36 1580 96.34 96.18 96.35 1570 96.33 96.16 96.36 1560 96.33 96.16 96.35 1550 96.33 96.15 96.34 1540 96.32 96.16 96.34 1530 96.32 96.14 96.33 1520 96.31 96.14 96.32 1510 96.32 96.12 96.32 1500 96.30 96.13 96.32 1490 96.29 96.12 96.30 1480 96.28 96.11 96.30 1470 96.27 96.10 96.29 1460 96.25 96.08 96.28 1450 96.25 96.06 96.27 1440 96.24 96.06 96.25 1430 96.22 96.05 96.25 1420 96.22 96.04 96.23 1410 96.20 96.03 96.23 1400 96.19 96.02 96.22 1390 96.18 96.02 96.20 1380 96.16 95.99 96.19 1370 96.13 95.96 96.16 1360 96.11 95.95 96.14 1350 96.08 95.92 96.12 1340 96.07 95.90 96.10 1330 96.06 95.89 96.09 1320 96.04 95.87 96.07 1310 96.01 95.85 96.05 1300 96.00 95.84 96.04 1290 95.99 95.82 96.02 1280 95.96 95.81 96.00 1270 95.94 95.78 95.98 1260 95.92 95.76 95.96 1250 95.91 95.75 95.95 1240 95.88 95.73 95.92 1230 95.86 95.71 95.91 1220 95.84 95.69 95.88 1210 95.81 95.67 95.86 1200 95.78 95.64 95.84 1190 95.75 95.62 95.80 1180 95.72 95.59 95.77 1170 95.69 95.55 95.76 1160 95.67 95.54 95.73 1150 95.64 95.52 95.71 1140 95.61 95.50 95.67 1130 95.58 95.46 95.65 1120 95.54 95.44 95.62 1110 95.50 95.40 95.57 1100 95.47 95.37 95.55 1090 95.43 95.34 95.52 1080 95.39 95.30 95.47 1070 95.34 95.26 95.44 1060 95.30 95.23 95.40 1050 95.26 95.19 95.35 1040 95.20 95.15 95.30 1030 95.14 95.11 95.26 1020 95.09 95.06 95.21 1010 95.04 95.01 95.16 1000 94.97 94.94 95.11 990 94.91 94.90 95.05 980 94.85 94.84 95.00 970 94.76 94.78 94.93 960 94.70 94.72 94.86 950 94.62 94.65 94.79