Helen B. Sawyer A Bibliography of Individual Globular Clusters

436 Publications of the David Dunlap Observatory
NGC 6402 (Cont.)
Nabokov,1926Reinmuth, 1926 77 Vorontsov-Velyaminov, 1926/, 1927a Parvulesco,
1927 Sawyer and Shapley, 1927/; ten Bruggencate, 19277, 77 Shaplev and Sawver.
1928 van Rhijn, 1929a& Shaplev and Sawver, 1929 Vorontsov-Velyaminov, 1930
Parenago, 1930a6*» Shapley, 1931 Nabokov, 1932 Bernheimer, 1932, 1933 van de
Kamp, 1933 Sawver, 1933 Stehbins, 193oabd Edmondson, 1935 Shaplev and
Saver. 1936 Durvea, 1936a7> Stebbins and Whitford. 1937 Wilkens, 193S. 1939a&
Sawver, 1940 Christie, 1941 de Kort, 1941 Copeland, 1942a Sawver, 1946ai
Mayall, 1946ai Mowbray.
NGC 6426 a 17 h 42 m 4, 5 4- 03" 12'
1789 Herschel, \V. First observation, 1786 June 3.
I 356°, b + 15°
l s 7ii Stephan, E. Nebuleuses decouvertes et observees a I'observatoire de
Marseille. C. R., v. 83, p. 328.
1789 W. Herschel II 587, 1862//,/ Auwers, 1864 I. Herschel 4325. 1867
d'Arrest, 1878c Drover, 1891-c Bigourdan, 1909 Winnecke, 1918 Curtis, 191977ac
Shaplev and Shaplev, 1926/ Parvulesco, 1926 Reinmuth, 1927 Sawver and
Shaplev, 19277. // 19296 Shapley and Sawver, I930ac/?i Shaplev. 1931 Nabokov,
1933 Stebbins, 1934. 1935 Lundmark, 1936a6 Stebbins and Whitford, 1939a
Sawyer, 1940 Christie, 1941 de Kort, 1946d Mayall, 1946a Mowbray.
No Number a 17 h 45 m .7, 8 - 60° 45' / 300°, b - 17°
1936 Shapley, H, Five planetary nebulae and a globular cluster. Harv. Bull.,
no. 902, p. 26. (Object appear.- as faint, remote globular cluster).
NGC 6440 a 17 h 45 m .9, 8 - 20° 21' / 335°, b + 02°
• Herschel.
W. First observation, 1786 May 28.
1918 Curtis, H. D. A spiral nebula in the Milky Way. .4. S. P. Pub., v. 30,
p. 161.
1931 van Maanen, A. Photographs of a few nebulae and cluster-. A. S. P. Pub..
v. 43. pp. 351-2. Plate XIII.
1934 Humason, M. L. The radial velocities of three globular clusters. A. S. P.
Pub., v. 46. p. 357.
1937 Baade, W. Stellar photography in the red region of the spectrum. Am. A.S.
Pub., v. 9, p. 31; I. A. V. Trans., v. 6. p. 452, 1938.
1789 W. Herschel I 150, 1833 J. Herschel 1985, 18627/a Auwers, 1S64 J.
Herschel 4331, 1867 d'Arrest, 1874 Schonfeld, 1891-c Bigourdan, 1893 Stone,
1907 Holetschek, 1909 Winnecke. 1910 Porter, 1918 Curtis, 1919i7ac Shaplev
and Shapley. 1926/ Parvulesco, 1927 Sawyer and Shapley, 19277, 77, 1929/;
Shaplev and Sawyer, 1930aife»o Shaplev, 1931 Nabokov, 1932, 1933 van de Kamp,
1933 Stebbins, 1935a&d Edmondson, 1935 Shiveshwarkar, 1935 Mineur, 1936a6c
Stebbins and Whitford, 1940 Christie. 1941 de Kort, 1946a6 Mayall, 1946a
Mowbray.
NGC 6441 a 17 h 46 m .S, 8 - 37° 02' / 321°, b - 06°
1S2S Dunlop, J.
First observation.
1828 Dunlop 557. 1847 J. Herschel 3705, 1864 J . Herschel 4332, 1SS1 Smyth and
Chambers, 1908 Bailev, 1910 Porter, 1911a Hinks, 1915 Melotte, 1915a Bailev,
1918c Charlier, 19 lSITeg Shapley, 191977c Shaplev and Shaplev, 1920a Lundmark,
1923 Lundborg, 1925 Nabokov, 1925/ Doig, 1926/ Parvulesco, 1927 Sawver