Helen B. Sawyer A Bibliography of Individual Globular Clusters
Helen B. Sawyer A Bibliography of Individual Globular Clusters
Helen B. Sawyer A Bibliography of Individual Globular Clusters
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A <strong>Bibliography</strong> <strong>of</strong> <strong>Globular</strong> <strong>Clusters</strong> 441<br />
NGC 6652 a 18 h 32 ra .5, 8 - 33° 02' I 329°. b - 13°<br />
1828 Dunlop, J. First observation.<br />
1828 Dunlop 607, 1847 J. Herschel 3752, 1864 J. Herschel 4421, 1867 Schmidt,<br />
1881 Smyth and Chambers, 1908 Bailev, 1910 Porter, 1915 Melotte, 1915a<br />
Bailey, 1918c Charlier, 19187/e Shaplev, 1919/Jc Shaplev and Shaplev, 1920a<br />
Lundmark. 1926f Parvulesco, 1927 <strong>Sawyer</strong> and Shaplev, 19277, II, 19296<br />
Shaplev and <strong>Sawyer</strong>, 1929 Cannon, 1930a£» Shaplev, 1931 Nabokov, 1932,<br />
1933 van de Kamp, 1935 Shaplev and Saver, 1936ac Stebbins and Whitford,<br />
1940 Christie, 1041 de Kort, 1941 Copeland', 1946a6 Mayall, 1946a Mowbray.<br />
NGC 6656 (Messier 22) a 18 h 33 m .3, 5 - 23° 58' I 337°, 6 - 09°<br />
1682 Ihle, A. Discovery, Aug. 26, 1665. Kirch in Ephemeriden, Appendix.<br />
According to Smyth and Chambers, 1881, seen by Hevelius before 1665.<br />
1759 LeGentil, G. H. J. J. B. Remarques sur les etoiles nebuleuses. Acad, des<br />
Set. Mem., pp. 453-71. (Drawing).<br />
1771 Messier, C. Observation, 1764 June 5.<br />
1866 Schultz, H. Historische Notigen iiber Nebelflecke. A. N., v. 67, p. 4.<br />
1881 Smyth, W. H., and Chambers, G. F. A cycle <strong>of</strong> celestial objects, p. 532.<br />
Fig. 39. (Variation in brightness <strong>of</strong> star noted by LeGentil).<br />
1918 Chevalier, A. Amas d'etoiles Messier 22 (N.G.C. 6656). Zo-Se Ann.,<br />
v. 10, C, pp. 1-51. (Catalogue <strong>of</strong> 1019 stars).<br />
1919 Shaplev, H., and Duncan, J. C. The globular cluster Messier 22 (N.G.C.<br />
6656). (Abs.) Pop. Astr., v. 27, p. 100.<br />
1920 Duncan, J. C. Bright nebulae and star clusters in Sagittarius and Scutum<br />
photographed with the 60-inch reflector. Mt. W. Cont., no. 177; Ap. J.,<br />
v. 51, p. 4. (Plate).<br />
1920 Bailey, S. I. Variable stars in M 22. (Abs.) Pop. Astr., v. 28, pp. 518-0.<br />
1923 Shaplev, H. Five new variable stars. Harv. Bull., no. 781.<br />
1927 Shaplev, H. The distance <strong>of</strong> Messier 22. Harv. Bull, no. 848.<br />
1930 Shaplev, H. The mass-spectrum relation for giant stars in the globular<br />
cluster Messier 22. Harv. Bull., no. 874.<br />
1930 Sticker, B. Uber die Farbenhaufigkeitsfunktion in Sternhaufen. Z. f. Ap.,<br />
v. 1, p. 174.<br />
1932 Hogg, F. S. The distribution <strong>of</strong> light in six globular clusters. A. J., v. 42,<br />
pp. 77-87.<br />
1944 <strong>Sawyer</strong>, H. B. Variable stars in the globular cluster Messier 22. Ditnlap<br />
Pub., v. 1, no. 15. (Abs.) Lengths <strong>of</strong> cluster-type periods in Messier 22<br />
and other globular clusters. A. J., v. 51, p. 70.<br />
1715 Hallev, 1746 de Cheseaux, 1755 Lacaille I 12, 1771 Messier, 1777 Bode<br />
57, 1780, 1784 Messier, 1800, 1818ac W. Herschel, 1833 J. Herschel 2015, 1847<br />
I. Herschel 3753, 1855, 1856 d'Arrest, 1861 J. Herschel, 1862776c Auwers, 1862<br />
Schonfeld, 1864 J. Herschel 4424, 1867 Vogel, 1867a6 Chambers, 1868 Webb,<br />
18826 Flammarion, 1886 d'Engelhardt, 1891-0" Bigourdan, 1895, 1897, 1898/7<br />
Pickering, 1902a6c Bailey, 1902 Gore, 1903 Clerke, 1904 Webb, 1904 Perrine,<br />
1904, 1907 Holetschek, 1908 Bailev, 1909 Perrine, 1911 Fath, 1911a Hinks,<br />
1912 Curtis, 1913 Chapman, 1915 Melotte, 1915a Bailev, 1916 Wilson, 1917<br />
Shapley and Davis, 19176 Flammarion, 1918 Curtis, 1918c Charlier, 1918/c,<br />
Ilabd, IVa, Vb Shapley, 1919/afec, lied Shaplev and Shaplev, 1010a6 Shaplev,<br />
1020 Barnard, 1920 H<strong>of</strong>fmeister, 1920 Lous, 1920a6 Lundmark, 10206 Shapley,