CERRO TOLOLO INTER-AMERICAN OBSERVATORY INSTRUMENT SECTION FILTER TRANSMISSION SCANNER FILTER IDENTIFICATION 4650/200 DATE OF MEASUREMENT FILTER SIZE 2 X 2 X .139 INCH. FOCAL RATIO 13.5 TEMPERATURE [C] 24 PEAK WAVELENGTH [A] 4604 PEAK TRANSMISSION [%] 55.098 CENTER WAVELENGTH [A] 4654 BANDWIDTH [A] 173 COMMENTS: 4650/200 SFI (STROMGREEN B). WAVELENGTH TRANSMISSION 4420 .0774593 4422 .154559 4424 .153846 4426 .15361 4428 .153139 4430 .152672 4432 .152439 4434 .152091 4436 .15163 4438 .151515 4440 .225564 4442 .224719 4444 .225056 4446 .230769 4448 .223214 4450 .222552 4452 .226929 4454 .226415 4456 .222883 4458 .296956 4460 .296077 4462 .369004 4464 .367918 4466 .366838 4468 .438917 4470 .43956 4472 .36523 4474 .436364 4476 .362319 4478 .433526 4480 .576784 4482 .935252 4484 .933238 4486 .999286 4488 .926586 4490 .852879 4492 .779037 4494 .709723 4496 .708717 4498 .919378 4500 1.26761 4502 1.6795 4504 2.0979 4506 2.37099 4508 2.08914 4510 2.29326 4512 2.0097 4514 1.86464 4516 1.92705 4518 1.85185 4520 2.53598 4522 2.87474 4524 3.81992 4526 4.70027 4528 5.63094 4530 6.09756 4532 5.60811 4534 5.79515 4536 5.66038 4538 5.66419 4540 6.98925 4542 7.04698 4544 9.44407 4546 11.2 4548 13.3244 4550 15.5275 4552 15.772 4554 17.2071 4556 17.3052 4558 18.3377 4560 19.6053 4562 21.0768 4564 24.0523 4566 25.3771 4568 28.45 4570 31.658 4572 34.5254 4574 37.0443 4576 39.3506 4578 41.2184 4580 42.9313 4582 44.3798 4584 45.9703 4586 46.6966 4588 47.9461 4590 48.7852 4592 49.9043 4594 51.8188 4596 52.2511 4598 52.4444 4600 54.7832 4602 55.054 4604 55.0982 4606 54.902 4608 54.7919 4610 55.1226 4612 55.0125 4614 55.0407 4616 55.0625 4618 54.8971 4620 54.602 4622 54.7826 4624 54.3707 4626 54.6187 4628 54.4892 4630 54.7531 4632 54.8029 4634 54.7869 4636 54.3892 4638 54.0723 4640 53.8838 4642 53.4799 4644 53.7195 4646 53.4997 4648 53.9818 4650 53.7576 4652 53.6644 4654 53.8089 4656 53.0477 4658 53.0157 4660 52.4412 4662 51.8942 4664 52.1948 4666 51.4715 4668 51.3481 4670 51.9449 4672 51.7921 4674 52.1118 4676 52.2282 4678 51.8101 4680 51.7487 4682 50.9781 4684 50.3858 4686 49.5858 4688 48.9663 4690 48.671 4692 48.467 4694 48.1481 4696 48.5044 4698 48.5363 4700 48.9461 4702 48.7734 4704 49.0665 4706 48.8928 4708 48.6612 4710 48.4002 4712 48.0814 4714 46.8605 4716 46.6008 4718 44.4573 4720 42.8489 4722 41.0301 4724 39.0977 4726 37.0456 4728 37.2334 4730 40.6106 4732 39.3433 4734 38.7004 4736 40.4707 4738 34.3481 4740 32.7784 4742 26.0172 4744 21.5226 4746 21.2936 4748 16.7533 4750 21.4489 4752 19.7191 4754 21.2192 4756 23.2092 4758 22.2732 4760 19.5715 4762 15.5889 4764 12.7672 4766 9.26352 4768 7.36055 4770 5.79461 4772 4.74828 4774 5.48885 4776 6.57143 4778 7.58699 4780 8.83191 4782 8.66097 4784 7.84091 4786 5.44835 4788 5.44526 4790 3.85051 4792 2.77463 4794 2.09158 4796 1.69492 4798 1.68919 4800 1.74451 4802 2.13844 4804 2.53236 4806 3.14607 4808 3.31461 4810 2.75126 4812 2.41031 4814 1.84564 4816 1.566 4818 1.17515 4820 .893855 4822 .78125 4824 .668151 4826 .667408 4828 .667037 4830 1.05732 4832 1.05556 4834 1.22087 4836 1.27565 4838 1.16408 4840 .886427 4842 .834724 4844 .673023 4846 .503637 4848 .442233 4850 .335008 4852 .438837 4854 .328587 4856 .491535 4858 .491535 4860 .550055 4862 .546448 4864 .494777 4866 .38525 4868 .330943 4870 .274725 4872 .272183 4874 .16331 4876 .214823 4878 .1606 4880 .164745 4882 .164204 4884 .217391 4886 .27115 4888 .216333 4890 .271003 4892 .27027 4894 .215983 4896 .16225 4898 .161725 4900 .161725 4902 .107181 4904 .109529 4906 .106724 4908 .106383 4910 .10627 4912 .0530786 4914 .105541 4916 .105485 4918 .105319 4920 .157978 4922 .128783 4924 .128452 4926 .12837 4928 .1287 4930 .0641437 4932 .0641437 4934 .0641437 4936 .0640615 4938 0 4940 .0638978 .