CERRO TOLOLO INTER-AMERICAN OBSERVATORY INSTRUMENT SECTION FILTER TRANSMISSION SCANNER FILTER IDENTIFICATION 5500/240 DATE OF MEASUREMENT FILTER SIZE 2 CIRC. X .300 INCH. FOCAL RATIO 13.5 TEMPERATURE [C] 22 PEAK WAVELENGTH [A] 5432 PEAK TRANSMISSION [%] 74.45 CENTER WAVELENGTH [A] 5513 BANDWIDTH [A] 238 COMMENTS: 5500/240-SFI (Y STROMGREEN SET #2). WAVELENGTH TRANSMISSION 5200 .222346 5202 .222222 5204 .222469 5206 .222841 5208 .279018 5210 .279955 5212 .279799 5214 .280741 5216 .280741 5218 .3386 5220 .338409 5222 .338792 5224 .339943 5226 .395704 5228 .339559 5230 .339943 5232 .396152 5234 .45403 5236 .455063 5238 .39818 5240 .45636 5242 .457143 5244 .457404 5246 .514874 5248 .574053 5250 .574382 5252 .634006 5254 .632911 5256 .691244 5258 .635104 5260 .694043 5262 .75188 5264 .755814 5266 .755814 5268 .814901 5270 .877193 5272 .87668 5274 .879765 5276 .939518 5278 .94007 5280 1.00354 5282 1.06195 5284 1.12426 5286 1.12693 5288 1.18977 5290 1.315 5292 1.37395 5294 1.44058 5296 1.5015 5298 1.56532 5300 1.63043 5302 1.75545 5304 1.87993 5306 1.94529 5308 2.02082 5310 2.14067 5312 2.20723 5314 2.33272 5316 2.5293 5318 2.64778 5320 2.8483 5322 2.98507 5324 3.18352 5326 3.43965 5328 3.64093 5330 3.89937 5332 4.10872 5334 4.436 5336 4.7224 5338 5.09879 5340 5.43478 5342 5.77293 5344 6.17363 5346 6.6366 5348 7.11054 5350 7.5227 5352 8.21382 5354 8.62745 5356 9.28712 5358 9.96721 5360 10.7449 5362 11.5079 5364 12.3506 5366 13.4 5368 14.3717 5370 15.5138 5372 16.6667 5374 18.3536 5376 19.5535 5378 21.3751 5380 22.8357 5382 24.6922 5384 26.2509 5386 28.5813 5388 30.4138 5390 32.687 5392 34.9063 5394 37.2044 5396 39.413 5398 42.2269 5400 44.2727 5402 47.454 5404 49.258 5406 52.1647 5408 54.1963 5410 56.7548 5412 58.2378 5414 60.3015 5416 62.419 5418 64.3786 5420 65.82 5422 67.6878 5424 69.1295 5426 70.2564 5428 71.1029 5430 71.776 5432 72.5794 5434 72.977 5436 73.5316 5438 73.7313 5440 74.196 5442 74.0991 5444 74.4713 5446 74.2619 5448 74.4503 5450 74.3531 5452 74.3336 5454 74.0061 5456 74.1366 5458 74.1737 5460 73.9197 5462 73.9366 5464 73.5089 5466 73.8893 5468 73.4009 5470 73.6471 5472 72.9624 5474 73.3858 5476 73.0435 5478 73.3121 5480 73.0952 5482 73.2484 5484 72.6693 5486 73.0769 5488 72.7929 5490 73.0862 5492 72.9773 5494 73.0364 5496 73.0738 5498 73.0675 5500 73.0832 5502 73.1588 5504 73.2348 5506 73.2128 5508 73.0198 5510 73.2837 5512 73.2558 5514 73.3167 5516 72.9392 5518 72.9549 5520 73.1544 5522 73.0478 5524 72.8728 5526 73.0574 5528 72.758 5530 73.0051 5532 72.619 5534 72.7195 5536 72.6262 5538 72.4786 5540 72.3842 5542 72.2892 5544 72.0588 5546 72.2222 5548 71.6392 5550 71.6028 5552 71.2664 5554 70.9904 5556 70.826 5558 70.6866 5560 70.4325 5562 70.1149 5564 69.8582 5566 69.6539 5568 69.4643 5570 69.1347 5572 69.0242 5574 68.3975 5576 68.2839 5578 67.7507 5580 67.5431 5582 66.7273 5584 66.6058 5586 65.8737 5588 65.5046 5590 64.7059 5592 64.1475 5594 63.3581 5596 62.7323 5598 61.5456 5600 60.6909 5602 59.6819 5604 58.5915 5606 57.533 5608 56.2382 5610 54.9242 5612 53.4663 5614 52.1449 5616 50.6196 5618 49.1866 5620 47.5962 5622 45.8133 5624 43.9614 5626 41.9167 5628 40.0389 5630 38.4016 5632 36.6569 5634 34.6078 5636 32.5787 5638 31.1573 5640 29.5635 5642 27.877 5644 26.6467 5646 24.8751 5648 23.5944 5650 22.2111 5652 20.888 5654 19.5542 5656 18.357 5658 17.1923 5660 16.2245 5662 15.0461 5664 14.0657 5666 13.299 5668 12.4224 5670 11.7098 5672 10.9148 5674 10.334 5676 9.64361 5678 9.2437 5680 8.64067 5682 8.13954 5684 7.7577 5686 7.12766 5688 6.83761 5690 6.33047 5692 6.02151 5694 5.6928 5696 5.2973 5698 5.1087 5700 4.8913 5702 4.69432 5704 4.38116 5706 4.06147 5708 3.85888 5710 3.65448 5712 3.44062 5714 3.2294 5716 3.1355 5718 2.92135 5720 2.81532 5722 2.71186 5724 2.61067 5726 2.50569 5728 2.28571 5730 2.29095 5732 2.06897 5734 2.07852 5736 1.96759 5738 1.85615 5740 1.74419 5742 1.75234 5744 1.64512 5746 1.52941 5748 1.53664 5750 1.54211 5752 1.42518 5754 1.31265 5756 1.31737 5758 1.20192 5760 1.20627 5762 1.09091 5764 .973236 5766 .976801 5768 .980392 5770 .858896 5772 .862069 5774 .864198 5776 .744417 5778 .747198 5780 .74813 5782 .75188 5784 .629723 5786 .632111 5788 .633714 5790 .636132 5792 .639386 5794 .639386 5796 .641849 5798 .645161 5800 .646831