DIY History | Transcribe | Scholarship at Iowa | Eccentricity of the Sextant by Frederic Furbish, 1893 | Eccentricity of the Sextant by Frederic Furbish, 1893, Page 152

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Eccentricity of the Sextant by Frederic Furbish, 1893

Eccentricity of the Sextant by Frederic Furbish, 1893, Page 152

[table sideways]
[column 1]
No.
----------
1
2
3
4
5
6
7
8
9
10
11
12
13
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[column 2]
AM
LOG.
----------
2.29331
R
1.95910
1.53435
1.14984
0.26071
0.01083
1.10172
1.50028
1.75706
1.99718
2.18980
2.42738
Mean of 12
37° 43' 12.33"

[column 3]
AM
No.
----------
196.48
R
91.01
34.21
14.21
1.82
1.02
12.64
31.64
57.15
99.35
154.81
267.54
80.15"
+ 80.15"

[column 4]
BN
LOG.
----------
8.84950
R
8.17470
7.33180
6.52680
4[.?]79440
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6.46810
7.26720
7.74860
8.25200
8.64780
9.11090
Mean of 12
- 0.022"

[column 5]
BN
No.
----------
0.07
R
0.01
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.02
0.04
0.13
-0.225"
 = 

[column 6]
h[subscript]0[/subscript] = h + Am - Bn
----------
37° 44' 25.41"
R
      44   22.50
      44   25.71
      44   33.12
      44   30.82
      44   35.02
      44   26.64
      44   35.64
      44   31.15
      44   35.83
      44   48.77
      44   49.04
37° 44   33.30
37  44   32.46 CHECK

[column 7]
V
----------
- 4.77
R
- 7.68
- 4.47
+ [294?]
+ 0.64
+ 4.84
- 3.54
+ 5.46
+ 0.97
+ 5.65
R
R
40.96
[+v]

[column 8]
PROBABLE ERROR, ETC..
----------
A = 9.967682
B = 9.823838
{+20.50  n = 10 [μ?] = 1
{+20.46 mean of 10 (112 [+?] 18) = 37° 44' 30.18"
r = +-0.845(40.96/9.487) = +- 3.6478" .
Prob. error of mean = 
     +- 1.1536" .
Note. In checking I used all ten data
In finding the [residuals?] I took the
mean of ten values omitting 12 & 13.
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STAR. ∝ Virginus (Spica)    DATE. May 5, '93 .

[/table sideways]

Saving...

[table sideways] [column 1] No. ---------- 1 2 3 4 5 6 7 8 9 10 11 12 13 [blank] [blank] [column 2] AM LOG. ---------- 2.29331 R 1.95910 1.53435 1.14984 0.26071 0.01083 1.10172 1.50028 1.75706 1.99718 2.18980 2.42738 Mean of 12 37° 43' 12.33" [column 3] AM No. ---------- 196.48 R 91.01 34.21 14.21 1.82 1.02 12.64 31.64 57.15 99.35 154.81 267.54 80.15" + 80.15" [column 4] BN LOG. ---------- 8.84950 R 8.17470 7.33180 6.52680 4[.?]79440 [blank] 6.46810 7.26720 7.74860 8.25200 8.64780 9.11090 Mean of 12 - 0.022" [column 5] BN No. ---------- 0.07 R 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.04 0.13 -0.225" = [column 6] h[subscript]0[/subscript] = h + Am - Bn ---------- 37° 44' 25.41" R 44 22.50 44 25.71 44 33.12 44 30.82 44 35.02 44 26.64 44 35.64 44 31.15 44 35.83 44 48.77 44 49.04 37° 44 33.30 37 44 32.46 CHECK [column 7] V ---------- - 4.77 R - 7.68 - 4.47 + [294?] + 0.64 + 4.84 - 3.54 + 5.46 + 0.97 + 5.65 R R 40.96 [+v] [column 8] PROBABLE ERROR, ETC.. ---------- A = 9.967682 B = 9.823838 {+20.50 n = 10 [μ?] = 1 {+20.46 mean of 10 (112 [+?] 18) = 37° 44' 30.18" r = +-0.845(40.96/9.487) = +- 3.6478" . Prob. error of mean = +- 1.1536" . Note. In checking I used all ten data In finding the [residuals?] I took the mean of ten values omitting 12 & 13. [blank] [blank] [blank] [blank] [blank] STAR. ∝ Virginus (Spica) DATE. May 5, '93 . [/table sideways]