26 | 4707 | .. | 22·5 | 23·5 | 2·7 | ·81 24 | 4639 | 30 | 31 | 17·1 | 1·82 | ·75 22 | 4578 | 42·5 | 42 | 12·6 | 1·4 | ·78 20 | 4517 | 55 | 55 | 9·6 | 1·0 | ·73 16 | 4404 | 105 | 100 | 5·3 | ·7 | ·93 12 | 4296 | 175 | 170 | 3·1 | ·45 | 1·02 10 | 4245 | 200 | 200 | 2·7 | ·34 | ·91 -------+--------+------------+------------+-------------+-----------+------------ TABLE XI.--B. C.’S CURVES (see Fig. 34). --------+--------+-------------+------------+-----------+------------- | | | | | I. | II. | III. | IV. | V. | VI. --------+--------+-------------+------------+-----------+------------- Scale | Wave- | Adopted | Persistency| Luminosity| Absolute Number. | length.| reading in | curve | of | luminosity | | hundred | 12,500 | original | of | | thousandths.| readings | beam. | extinction | | | in V. | | III. and V. --------+--------+-------------+------------+-----------+------------- 61 | 6839 | 7500 | 1·6 | | 60 | 6728 | 5500 | 2·3 | ·5 | 27·5 59 | 6622 | 4000 | 3·1 | 1 | 40 58 | 6520 | 2800 | 4·5 | 2 | 56 57 | 6423 | 2000 | 6·2 | 4 | 80 56 | 6330 | 1500 | 8·3 | 6 | 90 55 | 6242 | 1150 | 10·8 | 8 | 92 54 | 6152 | 950 | 13·1 | 11·5 | 109·2 53 | 6074 | 750 | 16·6 | 16 | 120 52 | 5996 | 580 | 21·6 | 21·5 | 125 51 | 5919 | 430 | 29 | 28·5 | 122·5 50 | 5850 | 350 | 36 | 37 | 129·5 49 | 5783 | 275 | 45·5 | 47 | 129·2 48 | 5720 | 215 | 58 | 60 | 129 47 | 5658 | 170 | 73·4 | 76 | 129·2 46 | 5596 | 140 | 89·3 | 92 | 129 45 | 5538 | 125 | 100 | 98 | 122·5 44 | 5481 | 125 | 100 | 100 | 125 43 | 5427 | 130 | 96·1 | 97 | 126 42 | 5373 | 150 | 83 | 85 | 127·5 41 | 5321 | 180 | 69·4 | 65 | 117 40 | 5270 | 215 | 59 | 45 | 96·7 39 | 5221 | 250 | 50 | 30 | 75 38 | 5172 | 290 | 43 | 1·5 | 723·2