Burnham: Measures of Proper Motion Stars 
DM (38°) 4063 ( 8 . 9 ... 12 . 0 ) 
R. A. 20" ig m 24 s Decl. + 38° 6' 
1909.400 
• 493 
•515 
A and B 
3 i 9°75 
3 i 9 -i 8 
318.97 
38733 
38.60 
38.60 
1909.47 
3 I 9-30 
38.51 
A and C (9.2) 
1909.400 
295°88 
66755 
• 493 
295-97 
66.34 
•515 
295-83 
66.53 
1909.47 
295.89 
66.47 
C is DM (38°) 4062. These stars are in the cluster, h 2078 
(= M 29). The only other measures are: 
AB 1879.31 31972 38'.'62 in | 3 3 
AC 1879.31 295.1 66.27 in | 3 3 
Evidently unchanged. 
The small star is DM (26°) 3898. No other micrometer 
measures. 
1875 72°. 3 76"5 A. G. Camb. 
B has a small companion not previously seen: 
B and C (12.5) 
1910.337 355-7 2"49 
■397 357 -Q 2.15 
1910.36 356.3 2.32 
Oxford ( Z 26°) 66226 (10.6) 
R. A. 20 h 25 m 58^20 Decl. + 26° 30' 4075 
Place for 1900, from a plate of the Oxford Astrographic 
Catalogue taken 1904.76. The photographic positions give the 
proper motion: 
o"i8o in I 94?3 
This is DM (26°) 3915 (9.5) ; not in A. G. Camb. 
Oxford (Z 26°) 66211 (12.2.. . 13.1) 
R. A. 2o h 2i m 5 ?i 6 Decl. + 26° 32' 25T3 
The place of the larger star, for 1900, is from an Oxford 
astrographic plate taken 1904.76. From a comparison of this 
with an earlier photograph, it appears that both stars have a 
proper motion which is probably the same: 
A 
0". 142 in 
290?2 
B 
0.135 in 
280.7 
A and B (10.8.. 
.10.9) 
1910.299 
2 32?55 
67755 
• 337 
232.63 
66.84 
•375 
232.47 
67.72 
1910.34 
232.55 
67-37 
B and C (10.8) 
1910 .337 
232°63 
164742 
• 375 
232.93 
164.03 
•397 
232.60 
164.27 
1910.37 
232.72 
164.24 
The reduced Oxford places give for AB, 23275:6870. 
A and DM (26°) 3902 (9.0) 
1910.30 A R. A. + 69*6 A Decl. — 74723 
A and DM (26°) 3895 (9.5) 
1910.30 AR. A.+ 3i?3 A Decl.-f 146782 
A comparison of the Oxford and A. G. meridian positions of 
these stars does not indicate any sensible motion in A. Later 
measures of BC will show what the fact is. 
1910 .5 
1900 
A and B (9.5...13.0) 
A 
1910.45s 
255755 
22757 
.471 
256.58 
22.91 
• 473 
254-05 
22.29 
1910.47 
255-39 
22.59 
A 
and C (10.0) 
1910.455 
271788 
io 87 i 2 
•471 
272.20 
108.02 
•473 
271.65 
107.87 
1910.47 
271.91 
108.00 
A and DM (26°) 3920 (9.4) 
R. A. + 98? 4 
A Decl. — 
9775 
98.4 
100.7 
47 Cygni (4.8.. 
.10.4) 
R. A. 20 h 29 m 
17 s Decl. + 34 ° 50' 
1909.438 
190750 
117774 
• 458 
190.42 
117.74 
■512 
190.30 
117-45 
1909.47 
190.41 
117.64 
P 
Oxf.—A. 
G. 
The meridian observations give 47 Cygni no sensible proper 
motion, and this is confirmed by the measures of the small star : 
1880.30 190752 117763 2n B 1 
From the catalogues we have : 
Auwers o 7 oi 8 in 24078 * 
Boss 0.014 in 190.0 
DM (26°) 3897 ( 8 . 2 ... 9 . 6 ) 
R. A. 2o” 2i m 34 s Decl. + 26° 17' 
A and B 
1910.337 72°. 60 75 "74 
•375 72.90 75-89 
•397 _ 72-63 _ 75.62 
1910.37 72.71 75-65 
Oxford (Z 26°) 66463 (10.2) 
R. A. 20 h 3i m 25 ?o 6 Decl. + 25 0 2' i2"i 
This is DM (24 0 ) 4182 (9.5). In nearly every case the 
Oxford photographic magnitudes make the small stars about 
three-fourths of a magnitude too faint, as compared with the 
j values assigned in visual observations. The place given here 
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