Helen B. Sawyer A Bibliography of Individual Globular Clusters

402
NGC 5024 (Cont.)
Publications of the David Dunlap Observatory
1919 Sanford, R. F. Radial velocities of clusters. Aft. W. Rep., no. 15, p. 250.
1920 Shapley, H. Studies. XVII. Miscellaneous results. Pt. 1. Position
co-ordinates of new variable stars. (Plate). Mt. W. Cont., no. 190; Ap. J.,
v. 52, p. 73.
1922 Baade, W. 7 Yeranderliche in der Umgebung des Kugelhaufens M 53.
Hamb. Mitt., v. 5, no. 16.
1926 Baadc, W. 17 neue Yeranderliche im Kugelhaufen M 53 (NGC 5024).
Hamb. Mitt., v. 6, no. 27.
1929 Heckmann, O., and Siedentopf, H. Uber die Struktur der kugelformigen
Sternhaufen. Gott . Veroff., no. 6; Z.f. Phys., v. 54, p. 183.
1931 Barnard, E. E. Micrometric measures of star clusters. Yerkes Pub.,
v. 6, pp. 42-3.
1932 Grosse, E. Untersuchungen iiber die veranderlichen Sterne im Kugel-
sternhaufen Messier 53. A. N., v. 246, pp. 397-406; Hamb.-Berg. Abh.,
v. 4, no. 2.
1933 GrosM-, E. (ber die isolierten Haufenveranderlichen in der Umgebung von
M 53 nebst einer Bemerkung iiber die Streuung der absoluten Helligkeiten
der Haufenveranderlichen. A. N., v. 249, pp. 389-'. » I.
1940 Oosterhoff, P. Th. Note on the period of variables 15 and 40 in M 53.
B. A. .V., v. 9, p. 57.
I'M? van den Hovcn van Genderen, E, An investigation on the variables of the
M53. B. A. N. v. 10, pp. 241-8. (Print.)
globu i
1777 Bode 26, L780 Messier 53, 1783 Bode, 1784 Messier, 1814c, 1818ai W.
Herschel, 1833 I. Herschel 1558, L856 d'Arrest, 1861 J. Herschel, 1861 Earl of
Rosse, 18627, lib Auwers, 1S62 Schonfeld, 1864 1. Herschel 3453. 1865 Auwers,
L866 Riimker, L867 Schmidt, 1867 Vogel, 1867 d'Arrest, 1867a Chambers, 1868
Webb, 1S7I1 I'-ivlirhin. 1880 End of R.—e. 1881 Smyth and Chambers, 1882
Engelmann, 18826 Flammarion, 1891-j Bigourdan, L893 Roberts, 1897 Barnard,
L902 Gore, 1904 Webb, 1004, I'M)? Holetschek, 1908 Bailey, L909 IVrrine, 1911
Wirtz, 1911 Fath, 1911a Hink-. 1912 Curtis, 1915 Melotte, 1915a Bailey, 1915
Kritzinger, 1916 Wilson, L917 Shapley and Davis, 1917 Pease and Shapley, 1917c
Flammarion, 19186 Bailey, 1918 Curtis, 1918 Slipher, 1918c Charlier, IdlSIIbcd,
Va Shaplev, 19196 Lundmark, 1919/ac, lied Shapley and Shapley, 1920ac
Lundmark,' 19206 Shapley, 1922i Becker, 1!»23 Lundborg, 1924Z, // Silberstein,
1925 Nabokov, 1925 Stromberg, 1925a, 1926 Doig, 192fi Reinmuth, 1926ac/,
1927c Parvulesco, I927gh ten Bruggencate, 1927 Sawyer and Shaplev, 19277, II
Shaplev and Saw^ er, 1928 van Rhijn, 1928 Voute, 1929 Cannon, 1929a6 Shapley
and Sawyer, 1930 Heckmann ami Siedentopf, \930afknq Shaplev, 1931 Harrison,
1931 Nabokov. 1932 Moore, 1«>32, 1933 van de Kamp, 1933 Stebbins, 1933
Vyssotsky and Williams, 1934, 1935 LuiKlmark, 1935a Baade, 1935a6a'Edmondson,
.»35 Shaplev and Saver. 1936a6 Stebbins
1935 Shiveshwarkar, 1935 Mineur, 1 (
and Whitford, 1936 Durvea, 1937 Wilkens, 1939a Sawver, 1939 Oosterhoff, 1940
Christie, 1941 de Kort, 1941 Copeland, 1943 (fig. 58), 1944 Shaplev, 19447, II,
1945 Sawyer, 1946ao Mayall, 1946a/> Mowbray.
NGC 5053 a 13 h 13 m .9, 8 + 17° 57' / 308°, b + 78°
1786 Herschel. W. First observation, 1784 Mar. 14.
1922 Baade, W. 7 Yeranderliche in der Umgebung des Kugelhaufens M 53.
Hamb. Mitt., v. 5, no. 16.