CERRO TOLOLO INTER-AMERICAN OBSERVATORY
 INSTRUMENT SECTION
 FILTER TRANSMISSION SCANNER


 FILTER IDENTIFICATION   4861/50
 DATE OF MEASUREMENT     
 FILTER SIZE             2 X 2 X .324 INCH.
 FOCAL RATIO              13.5 
 TEMPERATURE [C]          26 
 PEAK WAVELENGTH [A]      4886 
 PEAK TRANSMISSION [%]    58.663 
 CENTER WAVELENGTH [A]    4872 
 BANDWIDTH [A]            53 
 COMMENTS:  4861A/50


 WAVELENGTH              TRANSMISSION
  4770                    0 
  4772                    .0286697 
  4774                    .0573559 
  4776                    .0286451 
  4778                    .0570288 
  4780                    .0854701 
  4782                    .113928 
  4784                    .0853242 
  4786                    .0851547 
  4788                    .113572 
  4790                    .11354 
  4792                    .113443 
  4794                    .113411 
  4796                    .169924 
  4798                    .169827 
  4800                    .169779 
  4802                    .197964 
  4804                    .226372 
  4806                    .226053 
  4808                    .282247 
  4810                    .338792 
  4812                    .367024 
  4814                    .450831 
  4816                    .50505 
  4818                    .673401 
  4820                    .756303 
  4822                    .952648 
  4824                    1.14846 
  4826                    1.3986 
  4828                    1.73427 
  4830                    2.26257 
  4832                    3.14939 
  4834                    4.25947 
  4836                    5.61891 
  4838                    7.50208 
  4840                    9.98327 
  4842                    14.3375 
  4844                    21.1362 
  4846                    28.7305 
  4848                    37.3122 
  4850                    44.7471 
  4852                    49.055 
  4854                    53.0823 
  4856                    55.1436 
  4858                    56.4939 
  4860                    57.1826 
  4862                    57.7073 
  4864                    57.946 
  4866                    58.0717 
  4868                    58.0717 
  4870                    57.9489 
  4872                    57.8012 
  4874                    57.3562 
  4876                    57.1666 
  4878                    57.2458 
  4880                    57.4674 
  4882                    57.87 
  4884                    58.2205 
  4886                    58.6626 
  4888                    58.216 
  4890                    56.3777 
  4892                    52.7157 
  4894                    46.461 
  4896                    39.5759 
  4898                    32.4072 
  4900                    24.659 
  4902                    20.8674 
  4904                    16.2081 
  4906                    12.8338 
  4908                    10.158 
  4910                    8.35829 
  4912                    6.80457 
  4914                    5.7975 
  4916                    4.78521 
  4918                    4.18251 
  4920                    3.55785 
  4922                    3.0953 
  4924                    2.63515 
  4926                    2.25176 
  4928                    1.95069 
  4930                    1.51638 
  4932                    1.35391 
  4934                    1.05577 
  4936                    .866504 
  4938                    .651643 
  4940                    .543478 
  4942                    .433957 
  4944                    .379198 
  4946                    .298184 
  4948                    .271665 
  4950                    .2443 
  4952                    .217037 
  4954                    .189343 
  4956                    .162382 
  4958                    .135245 
  4960                    .135796 
  4962                    .162866 
  4964                    .135538 
  4966                    .108548 
  4968                    .108401 
  4970                    .0542299 


.