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Helen B. Sawyer A Bibliography of Individual Globular Clusters

Helen B. Sawyer A Bibliography of Individual Globular Clusters

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444 Publications <strong>of</strong> the David Dunlap Observatory<br />

NGC 6760 a 19 h 0S ra .6, 8 + 00° 57' I 04°, b - 05°<br />

1846 Hind, J. R. Discovery, Mar. 30, 1845. Ephemeris <strong>of</strong> Biela's Comet, 1845.<br />

A. N., v. 23, no. 549, p. 356.<br />

1914 Pease, F. G. The star cluster N.G.C. 6760. A. S. P. Pub., v. 26, p. 204.<br />

1931 van Maanen, A. Photographs <strong>of</strong> a few nebulae and clusters. A . S. P. Pub.,<br />

v. 43, pp. 351-2, Plate XIII.<br />

1855, 1850 d'Arrest, 1861 Schmidt, 1862 Schonfeld, 18627/d Auwers, 1864<br />

J. Herschel 4473, 1866 Huggins, 1867 Schmidt, 1867 Vogel, 1867 d 'Arrest, 1874<br />

Schultz, 187Sa Drover, 1880 Earl <strong>of</strong> Rosse, 1881 Smyth and Chambers, 1882<br />

Winlock and Pickering, 1886 d'Engelhardt, 1886- Weinek and Gruss, 1891-d<br />

Bigourdan, 1891 Kempf, L907 Holetschek, 1909 Winnecke, 1912 Curtis, 1915<br />

Melotte, 1918 Curtis 1918/7/ Shaplev, \9l9IIacd Shaplev and Shapley, 19206<br />

Shapley, 1923 Wirt/, 1926/ Parvulesco, 1926 Reinmuth, 1927 <strong>Sawyer</strong> and<br />

Shapley, 19277, //, 1929/- Shapley and <strong>Sawyer</strong>, 1930 Parenago, 1930am Shapley,<br />

1931 Nabokov, 1932 Bernheimer, 1933 Stebbins, 1934, 1935 Lundmark, 1936a&<br />

Stebbins and Whitford, 1939a<strong>Sawyer</strong>, 1940 Christie, 1941 de Kort, L946d Mayall,<br />

1946:; Mowbray.<br />

NGC 6779 i<br />

Messier<br />

56) a 19 h 14 m .6, 5 + 30° 05' I 30°, b + 08°<br />

1780 Messier, C. First observation, 1779 Jan. 23. On map <strong>of</strong> comet <strong>of</strong> 1779.<br />

1902 Kiistner, F. Bonn report. A. G. Viert., v. 36, p. 85. (Work <strong>of</strong> Monnich-<br />

meyer).<br />

1916 Kohlman, A. F. Star clusters: some observations and comparisons.<br />

Soc. Prac. Astr., Monthly Reg., v. 8, pp. 25-6.<br />

1917 Shapley, II. Descriptive notes relative to nine clusters. A. S. P. Pub.,<br />

v. 29, p. 186.<br />

bright variable star in X.G.C. 6779 (Messier 56). A. S. P.<br />

1917 Davis, II . A<br />

Pub., v. 29, p. 210.<br />

1920 Shapley, H. Studies. XVII. Miscellaneous results. Pt. 1. Position<br />

co-ordinates <strong>of</strong> new variable stars. (Plate). Mt. IF. Cont., no. 190; Ap. J.,<br />

v. 52. p. 73.<br />

1920 Kiistner, F. Der kugelformige Sternhaufen Messier 56. Bonn Ver<strong>of</strong>f.,<br />

no. 14. 47 pp. (Catalogue <strong>of</strong> 532 stars).<br />

1927 van Maanen, A. Investigations on proper motion. Twelfth paper. The<br />

proper motions and internal motions <strong>of</strong> Messier 2, 13, 56. Mt. W. Cont.,<br />

no. 338; Ap. J., v. 66, pp. 89-112.<br />

1927 van Maanen, A. The proper motions <strong>of</strong> the globular clusters Messier 13,<br />

56, and 2, and their internal motions. K. Ak. wetens. Amsterdam Verslag.,<br />

v. 30. no. 6, pp. 080-4.<br />

1929 Heckmann, O., and Siedentopf, H. Ober die Struktur der kugelformigen<br />

Sternhaufen. Gott. Ver<strong>of</strong>f., no. 6; Z.f. Phys., v. 54, p. 183.<br />

1940 <strong>Sawyer</strong>, H. B. Twelve new variable stars in the globular clusters NGC<br />

6205, NGC 6366, and NGC 6779. Dunlap Pub., v. 1, no. 5 (Plate).<br />

1942 <strong>Sawyer</strong>, H. B. Some interesting variable stars in the globular cluster<br />

Messier 56. Am. A. S. Pub., v. 10, p. 233.<br />

1944 Rosino, L. Sull' ammasso globulare NGC 6779 = M 56. Univ. Bologna<br />

Oss. Pub., v. IV, no. 7. 19 pp. (Plate). Soc. Astr. Ital. Mem. v. 16, no. 4.

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