CERRO TOLOLO INTER-AMERICAN OBSERVATORY INSTRUMENT SECTION FILTER TRANSMISSION SCANNER FILTER IDENTIFICATION 4861/26 DATE OF MEASUREMENT FILTER SIZE 2 INCH CIRCULAR X .146 INCH. FOCAL RATIO 13.5 TEMPERATURE [C] 24 PEAK WAVELENGTH [A] 4858 PEAK TRANSMISSION [%] 56.008 CENTER WAVELENGTH [A] 4858 BANDWIDTH [A] 27 COMMENTS: 4861-26-58 BW 26A. WAVELENGTH TRANSMISSION 4760 0 4762 0 4764 0 4766 0 4768 0 4770 .0279955 4772 .055944 4774 .0558347 4776 .0558191 4778 .0837989 4780 .111638 4782 .111545 4784 .111421 4786 .111421 4788 .139159 4790 .166806 4792 .193531 4794 .19337 4796 .24855 4798 .248413 4800 .275938 4802 .330761 4804 .359911 4806 .415167 4808 .497238 4810 .552181 4812 .623406 4814 .67359 4816 .786959 4818 .895606 4820 1.08847 4822 1.28205 4824 1.55729 4826 1.89046 4828 2.28095 4830 2.94036 4832 3.52386 4834 4.6286 4836 5.85298 4838 7.51317 4840 9.77298 4842 13.4881 4844 19.6853 4846 27.9801 4848 37.3418 4850 45.9318 4852 51.4042 4854 54.6905 4856 55.5464 4858 56.0077 4860 55.3601 4862 53.4232 4864 49.2722 4866 42.0302 4868 34.8844 4870 27.5334 4872 20.5768 4874 15.0761 4876 10.7212 4878 7.85616 4880 5.70163 4882 4.20354 4884 3.03783 4886 2.34483 4888 1.82169 4890 1.46814 4892 1.13291 4894 .936639 4896 .771562 4898 .633086 4900 .549451 4902 .439802 4904 .356653 4906 .301535 4908 .246305 4910 .273898 4912 .218639 4914 .163711 4916 .136351 4918 .163399 4920 .108666 .