Interference Methods to Astronomical Measurements. 13 

 Table IV. 



s. 



X. 



a v 



a. 



b. 



/• 



«. 



«j. 



e. 



0. 



c. 



•560 



•060 



•693 



251 



1-50 



6 ! 90 



6-80 



4-0-10 



+2 



J} 



5J 



•060 



•693 



25'3 



1-50 



6-85 



6-80 



+ 



05 



+ 1 



)5 



)} 



•060 



•693 



257 



1-50 



6-75 



6-80 



— 



•05 



-1 



t} 



)} 



•060 



•693 



25-7 



1-50 



6'75 



6-80 



— 



•05 



-1 



}i 





•060 



•666 



26-6 



1-50 



6-53 



6-58 



— 



•05 



-] 



}) 



j? 



•060 



•666 



26-7 



1-50 



6-50 



6-58 



— 



•08 



-1 



;) 





•060 



■519 



34-4 



1-50 



5-00 



4-99 



+ 



•01 







„ 



>> 



•060 



•465 



12-9 



0-50 



4-48 



4-56 





•08 



-2 



fJ 





•060 



•315 



18-8 



0-50 



3-07 



3-09 



_ 



•02 



-1 



E. 



•623 



■060 



•693 



27-8 



1-50 



6-93 



6-80 



4- 



•13 



+2 



„ 





•060 



•693 



27-9 



1-50 



6-90 



6-80 



+ 



•10 



+2 



tf 



„ 



•060 



•666 



29-5 



1-50 



6-53 



6-58 



— 



•05 



-1 



w 



JS 



•060 



•666 



29=4 



1-50 



6-57 



6-58 



_ 



•01 







s. 



•550 



•117 



•526 



10-75 



0-50 



5-27 



5-18 



4- 



•09 



+2 



>} 





•117 



•526 



11-65 



0-50 



4-86 



5-03 



— 



•17 



-3 



c. 



•560 



•117 



•526 



10-85 



0-50 



5-32 



5-32 





•00 







}> 





•117 



•526 



33-24 



1-50 



5-21 



5-32 



— 



•11 



—2 



5J 



J? 



•117 



•526 



55-80 



2-50 



5-18 



5-32 



— 



14 



-3 



}J • • 



5? 



•117 



•526 



80-15 



3-50 



5-08 



5-32 



— 



•24 



-4 



R. 



•623 



•117 



•526 



36-02 



1-50 



5-34 



5-32 



4- 



•02 







„ 



}J 



•117 



•526 



60-20 



2-50 



5-32 



5-32 





•00 







» 



j> 



•117 



•526 



85-70 



3-50 



5-24 



5-32 



— 



•08 



-2 



When the distance between centres is two diameters or 

 less, it is found that the results obtained are much less accurate, 

 being usually too large bv about 4 per cent., as shown in 

 Table V. 



Table V. 



s. 





a v 



a. 



b. 



/. 



a. 



*i- 



e. 



0. 



c. 



•560 



•184 



•396 



42-8 



1-50 



3 ; 99 



3-89 



+o ;/ io 



+3 



„ 



>) 



•184 



•372 ! 



14-8 



0-50 



3-81 



3-66 



4- -15 



+4 



>! 



j> 



•184 



•363 



16-9 



0-50 



340 



3-54 



- -14 



-4 



») 





•184 



•332 



16-6 



0-50 



3-41 



3-22 



4- -19 



+6 



>> 



,, 



•184 



•297 , 



19-6 



0-50 



2-90 



2-88 



4- -02 



+ 1 



>5 



j, 



•184 



•266 



21-3 



0-50 



2-71 



2-60 



4- -11 



+4 



)' 



)} 



•184 



•266 



20-4 



0-50 



2-83 



2-62 



+ '21 



+8 





,, 



•184 



•251 



23-3 



0-50 



2-48 



2-47 



4- -01 







5} 



,, 



•184 



•251 



22-8 



0-50 



2-51 



2-47 



+ "04 



+2 



)5 



>> 



•184 



•227 



24-9 



0-50 



2-32 



2-23 



4- '09 



+4 



,, 



,, 



•184 



•219 



25-6 



0-50 



222 



2-13 



4- -09 



+4 



S. ! -550 -060 



•107 



56-2 



0-50 



1-01 



1-06 



- -05 



— 5 



„ 



„ 1 -060 



•107 



56-8 



0-50 



1-02 



104 



- -02 



— 2 



c. 



*560 -060 



•107 



54-0 



0-50 



1-07 



1-08 



- -01 



-1 



,, 



„ i "060 



107 



53-2 



0-50 



1-09 



1-05 



+ -04 



+4 



,, 



•060 



•107 



53-5 



0-50 



1-08 



1-05 



+ '03 



+3 



E. 



•623 -060 



•107 



57-2 



0-50 



1-13 



1-05 



+ -08 



+8 



„ 



„ I '060 



•107 



58-7 



0-50 



1-10 



1-05 



4- -05 



+5 



C. 



•560 ! -060 



•075 



70-8 



0-50 



0-79 



( 0-74 



4- -05 +7 



i 



„ j -060 



•075 



72-0 



0-50 



0-77 



1 0-74 



+ '03 +4 



