156 Parallax of 61 2 Cygni, deduced from 



Table XXIII. — Various "Values of Parallax of 6i 2 Cygni. 







Parallax 



Probable 





Ref. 

 No. 



Method. 



Star of 

 Comparison. 



of 

 6i 2 Cygni. 



error 

 r 



Authority. 



Ad, Microm. 



33°435i 



// 

 -fo.4676 



±0.0321 



Ball 



9 



<< 



3«°4345 



.2698 



.0130 



A. Hall 



11 



<< 



33°4345 



.3217 



.0213 



A. Hall 



II 



CI 



Aa = — 63 s .5| 

 Ad =—34" j 



.2005] 



.0246 



A. Hall 



II 



Aa 



Absolute (?) 



.55 



.091 



Belopolsky 



10 



Photography 



Ten Stars. 



•36 



•034 



Kapteyn 



17 



Distance. 



Micrometer 



33°4345 



O.5092 



±0.0355 



0. Struve 



3 



it 



<i 



.5179 



.0328 



Lamp's Struve 



6 



Micrometer 



33°4345 



•4365 



.0738 



Socoloff's Schweizer 



5 



u 





.4885 



.0824 



Socoloff's Schweizer 



5 



(c 





.4388 



.0654 



Lamp's Socoloff's Schweizer 



6 



<< 





.5220 



.0770 



Lamp's Socoloff's Schweizer 



6 



u 





.4594 



.0637 



Lamp's Schweizer 



6 



(( 





.4715 



.0684 



Lamp's Schweizer 



6 



Photography 



37°4i8 9 



[ -'4250] 



.0176 



Pritchard 



12 



a 



38°4336 



[ -4508] 



.0191 



Pritchard 



12 



it 



37°4i75 



[ -4320] 



.0190 



Pritchard 



12 



a 



33°4348 



[ -4303] 



.0178 



Pritchard 



12 



Photography 



61 1 Cygni 



.288 



• 031 



Davis 



13 



Photography 



37°4i8 9 



.357 



.017 



Wilsing 



14 



Position-Angle. 



Micrometer 



33°4345 



+0.5008 



±0.0466 



0. Struve 



3 



a 



tt 



.4913 



.0371 



Lamp's Struve 



6 



Micrometer 



38°4345 



•376i 



•0439 



Socoloff's Schweizer 



5 



a 





.4926 



.0546 



Socoloff's Schweizer 



5 



a 





•3925 



.0438 



Lamp's Socoloff's Schweizer 



6 



a 





•4957 



.0512 



Lamp's Socoloff's Schweizer 



6 



a 





.3818 



•0457 



Lamp's Schweizer 



6 



(I 





.4824 



•05I7 



Lamp's Schweizer 



6 



