COEFFICIENTS OF THE FORMULAE FOR Ag AND Ad PER CENTURY. 
|] i | TA | 
Catalogue | BA | BE | BE’ || FA | FE | FE | F\A| FE | FA | RE 
| 
1) COEFFICIENT a | 
Be A — 0/25/— 0/27 —0”24 || —0’62—0/66.— 055 —0”88 —0’77 —0”41 —0”54 
Be B 0.06 —0.45 —0.92/—0.58 
| | | 
Lei | | 0.93 —0.90 —1 151.00 
Leiden j—1.14;—0.65 |; —0.39/--0. 16 
Il) COEFFICIENT 6 cos © 
Be A +1.33|+-0.87|-+0.79|/-+-0.58/+0.41|-+-0.33 
Be B +0.68-+0.40 | 0.340. 36 
Lei I 40.10 -+0.09 40.90-40.32 
Leiden 10. 180.22 | +0.39|-+0.22 
| 
III) COEFFICIENT c cos £ | | 
| | | 
Be A +4,23/4-2.38-42.41)/+2.13|-4+1.62/+1.59) | | 
Be B -+2.80|-+1.80 | +1.37}+0.71 | 
Lei I +3.66\+2.96 \|-41.73|-+1.72 
Leiden 1-2. 1914-140] || 42.56) +1.92! | 
| | || | | | 
IV) COEFFICIENT a’ | 
| | | 
| | | | | | 
Be A —1.52; -1.29 || —2.55|—2.01 | | | 
Be B I—3.39|—2.49 || —4.22|3.44 | | 
Lei | |—1.10|—-1.20 —3.23|--3.08 
Leiden —2.09 —1.54 —1.40—0.78 
V) COEFFICIENT 0’ 
| 
-—0.67|—0.29 
Be A - 0.68 —0.38, | | 
Be B 1.101.051 /—0.88|—0.77 | | 
| | } | | 
Lei I —0.84 —0.82 —0.82—1.09 | | 
Leiden —1 .69|—1..27| —0.81|—0.67 
VI) COEFFICIENT c’ | | 
Be A 40.02-40.03, 0.03H0. 11 
Be B +-0.67/-+0.19 +0.21\—0.23 
Lei I +0.84 +0.58 +1,22|-+1.05 | | 
Leiden 0.18 —0.31 40.06) 0.12 | | 
| | | 
Proceedings Royal Acad. Amsterdam. Vol. XIX. 
