. The Astrophysical journal. ;s roO N -4-tf^00 O r^O lo -^OOOOOOi-iOOOOOOOOOOOOOOOOOOO OOOOOOOOOOOOO 1 1 + 1 1 1 1 1 1 i 1 1 1 in6 O t^rouOOO <N t^OOCO lOO lOOOOOOOi-OOOOOOOOOOOOOOOOOOO OOOOOOOOOOOOO 1 1 1 1 1 1 1 1 1 1 1 1 1 oo ooM-iOi--it^*ioo 11 ?u-it^O lOlOW-)lo^r)-rl--:l-cOCOcO ooooooooooooo ?9i. t^rOO^C J^Oi/lrovOw OOO r^rOioO J^V0O0O Tl-fOOO t^t^rOOt^vO <N O O <N t^O -^O o ?^ o lo -* Tt -^ lO lO lOvO vO O t^ r^ 1^00 ooooooooooooo o n lovo 00 CO >OCO O CO O t^ OO CO M locO^^i-iow^OOOCO O P)0 d d o 6 o o o 6 o o n 11 M TEMPERATURE AND RADIATION OF THE SUN 203 18000 16000 14000
. The Astrophysical journal. ;s roO N -4-tf^00 O r^O lo -^OOOOOOi-iOOOOOOOOOOOOOOOOOOO OOOOOOOOOOOOO 1 1 + 1 1 1 1 1 1 i 1 1 1 in6 O t^rouOOO <N t^OOCO lOO lOOOOOOOi-OOOOOOOOOOOOOOOOOOO OOOOOOOOOOOOO 1 1 1 1 1 1 1 1 1 1 1 1 1 oo ooM-iOi--it^*ioo 11 ?u-it^O lOlOW-)lo^r)-rl--:l-cOCOcO ooooooooooooo ?9i. t^rOO^C J^Oi/lrovOw OOO r^rOioO J^V0O0O Tl-fOOO t^t^rOOt^vO <N O O <N t^O -^O o ?^ o lo -* Tt -^ lO lO lOvO vO O t^ r^ 1^00 ooooooooooooo o n lovo 00 CO >OCO O CO O t^ OO CO M locO^^i-iow^OOOCO O P)0 d d o 6 o o o 6 o o n 11 M TEMPERATURE AND RADIATION OF THE SUN 203 18000 16000 14000 12000 8000 6000 4000 2000. 204 FELIX BISCOE and in the axis of ordinalcs the arbitrarily assigned unit of the quan-tity / is that in Table I and of/ in Table III. Then to the correctsolar constant S corresponds the total surface F sq. mm, betweenthe energy-curA^e B and the axis of abscissas, while to the quantity 5for the interval of wave-length d\ for a definite wave-length X therecorresponds an element of surface/ sq. mm. Thence follows S S where the ratio „, is also equal to that for the original solar constantr 5= gm and the corresponding surface ^ = 36,000 sq. mm of the corresponding energy-curve A. If we apply the formula for /a to an interval of i cm instead of the interval of wave-length 5X = , we obtain f-S . , ^ (/X-F-6o7rsin^M For the determination of the absolute temperature T for a perfectradiator, from its intensities of radiation between wave-lengthsX and \-\-d\, Planck has given the following formula . CxX-s *^=^r— (2) where the constants are Ci = o. 282-10^ gm cal. per se
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectspectru, bookyear1895
