CERRO TOLOLO INTER-AMERICAN OBSERVATORY INSTRUMENT SECTION FILTER TRANSMISSION SCANNER FILTER IDENTIFICATION 3520/300 DATE OF MEASUREMENT 25-JAN-87 FILTER SIZE 2 CIRC. X .380 INCH. FOCAL RATIO 13.5 TEMPERATURE [C] 22 PEAK WAVELENGTH [A] 3512 PEAK TRANSMISSION [%] 37.459 CENTER WAVELENGTH [A] 3520 BANDWIDTH [A] 296 COMMENTS: WG-345+UG-11 (U STROMGREEN SET #2) WAVELENGTH TRANSMISSION 3200 .501253 3202 .497358 3204 .492606 3206 .496172 3208 .517551 3210 .536165 3212 .528416 3214 .512928 3216 .524117 3218 .555472 3220 .572726 3222 .570306 3224 .562207 3226 .561948 3228 .577888 3230 .598761 3232 .611673 3234 .616351 3236 .623625 3238 .643404 3240 .659483 3242 .659969 3244 .668544 3246 .705043 3248 .758317 3250 .797358 3252 .810404 3254 .823659 3256 .852242 3258 .887644 3260 .937656 3262 1.01458 3264 1.10744 3266 1.20089 3268 1.28992 3270 1.38022 3272 1.48498 3274 1.60783 3276 1.74339 3278 1.88833 3280 2.03862 3282 2.1889 3284 2.34291 3286 2.51181 3288 2.6938 3290 2.87945 3292 3.06906 3294 3.26379 3296 3.46736 3298 3.69025 3300 3.93334 3302 4.18713 3304 4.45551 3306 4.7515 3308 5.06086 3310 5.36349 3312 5.66448 3314 5.98018 3316 6.32083 3318 6.66738 3320 7.00121 3322 7.34075 3324 7.70401 3326 8.09007 3328 8.50542 3330 8.9591 3332 9.43781 3334 9.91626 3336 10.374 3338 10.8117 3340 11.2477 3342 11.6893 3344 12.1422 3346 12.6132 3348 13.1038 3350 13.6022 3352 14.069 3354 14.4952 3356 14.9215 3358 15.3633 3360 15.7978 3362 16.2179 3364 16.6501 3366 17.1151 3368 17.6027 3370 18.1241 3372 18.6976 3374 19.2574 3376 19.7315 3378 20.1536 3380 20.5896 3382 21.0596 3384 21.5691 3386 22.0964 3388 22.5943 3390 23.0716 3392 23.5525 3394 24.0188 3396 24.4534 3398 24.8534 3400 25.2354 3402 25.6263 3404 26.0313 3406 26.4371 3408 26.8499 3410 27.3058 3412 27.7892 3414 28.2325 3416 28.6161 3418 28.9573 3420 29.2819 3422 29.5972 3424 29.8812 3426 30.1625 3428 30.4743 3430 30.7843 3432 31.0792 3434 31.3781 3436 31.6803 3438 31.9799 3440 32.2678 3442 32.5384 3444 32.8119 3446 33.0963 3448 33.3558 3450 33.5687 3452 33.7797 3454 34.0053 3456 34.2032 3458 34.3829 3460 34.586 3462 34.8121 3464 35.0406 3466 35.2043 3468 35.2597 3470 35.3116 3472 35.4315 3474 35.5556 3476 35.645 3478 35.74 3480 35.8827 3482 36.04 3484 36.1541 3486 36.2161 3488 36.25 3490 36.3152 3492 36.4613 3494 36.6264 3496 36.7197 3498 36.7528 3500 36.7727 3502 36.7823 3504 36.8003 3506 36.8843 3508 37.0126 3510 37.0816 3512 37.0609 3514 37.0202 3516 37.0117 3518 37.017 3520 37.0055 3522 36.9486 3524 36.826 3526 36.6784 3528 36.5546 3530 36.4727 3532 36.4307 3534 36.3792 3536 36.2808 3538 36.1816 3540 36.1311 3542 36.0971 3544 36.0197 3546 35.886 3548 35.7243 3550 35.5546 3552 35.3712 3554 35.2149 3556 35.1493 3558 35.1022 3560 34.9771 3562 34.8207 3564 34.6803 3566 34.5288 3568 34.3368 3570 34.1125 3572 33.9086 3574 33.7529 3576 33.5851 3578 33.3342 3580 33.0419 3582 32.7887 3584 32.5588 3586 32.3259 3588 32.11 3590 31.8746 3592 31.5604 3594 31.2015 3596 30.8858 3598 30.6293 3600 30.3782 3602 30.132 3604 29.9125 3606 29.6758 3608 29.3903 3610 29.071 3612 28.735 3614 28.3935 3616 28.0368 3618 27.6486 3620 27.2429 3622 26.848 3624 26.4946 3626 26.1952 3628 25.9048 3630 25.5557 3632 25.1669 3634 24.8315 3636 24.5332 3638 24.1827 3640 23.786 3642 23.389 3644 22.9916 3646 22.5799 3648 22.1657 3650 21.7646 3652 21.3698 3654 20.9781 3656 20.5923 3658 20.2108 3660 19.8473 3662 19.5171 3664 19.1967 3666 18.836 3668 18.4183 3670 17.9887 3672 17.5862 3674 17.1786 3676 16.7313 3678 16.2696 3680 15.8344 3682 15.4284 3684 15.016 3686 14.5769 3688 14.1313 3690 13.6958 3692 13.2694 3694 12.854 3696 12.452 3698 12.0627 3700 11.6886 3702 11.3217 3704 10.947 3706 10.5734 3708 10.2115 3710 9.85254 3712 9.49314 3714 9.137 3716 8.77608 3718 8.40902 3720 8.05276 3722 7.71718 3724 7.399 3726 7.0853 3728 6.76462 3730 6.45101 3732 6.16042 3734 5.88627 3736 5.62222 3738 5.36752 3740 5.11541 3742 4.86573 3744 4.62726 3746 4.39658 3748 4.1662 3750 3.94221 3752 3.72962 3754 3.51994 3756 3.30234 3758 3.08109 3760 2.87504 3762 2.694 3764 2.52806 3766 2.36789 3768 2.21578 3770 2.07063 3772 1.92676 3774 1.78942 3776 1.66866 3778 1.5625 3780 1.46034 3782 1.36067 3784 1.27052 3786 1.18895 3788 1.11273 3790 1.03912 3792 .960396 3794 .875993 3796 .792165 3798 .714732 3800 .645758 3802 .581675 3804 .522164 3806 .472451 3808 .437206 3810 .410299 3812 .37903 3814 .344286 3816 .316415 3818 .299136 3820 .289558 3822 .281429 3824 .267548 3826 .247904 3828 .229821 3830 .217868 3832 .211198 3834 .205185 3836 .193379 3838 .17556 3840 .158542 3842 .146833 3844 .139957 3846 .135978 3848 .133444 3850 .131644 3852 .127904 3854 .117372 3856 .103075 3858 .096562 3860 .0988926 3862 .100391 3864 .100696 3866 .102767 3868 .100139 3870 .092154 3872 .0895289 3874 .0939247 3876 .0943555 3878 .088765 3880 .0877982 3882 .0952999 3884 .104758 3886 .111376 3888 .112914 3890 .10825 3892 .103026 3894 .10119 3896 .0951026 3898 .078724 3900 .0573723 .