Stellar Populations and the Distance Scale: The Baade-Thackeray Correspondence

Osterbrock D. E. , “Walter Baade, observational astrophysicist”, Journal of the history of astronomy, xxvi (1995), 1–32; xxvii (1996), 301–48; xxviii (1997), 283–316; xxix (1998), 345–77.

Commission des Nébuleuses Extragalactiques, report of meeting, Transactions of the International Astronomical Union, viii (1954), 397–9.

‘RR Lyrae variables’ is the modern term for ‘cluster type variables’.

Stebbins J. , '“Separation of the variations in area and in surface brighteness of RR Lyrae, Delta Cephei and Eta Aquilae, with applications to the period-luminosity relation”. Publications of the Astronomical Society of the Pacific, lxv (1953), 118–31.

Wesselink A. J. , “The observations of brightness, colour and radial velocity of δ Cephei and the pulsation hypothesis”, Bulletin of the Astronomical Institutes of the Netherlands, x (1946), 91–99.

Feast M. W. , '“Andrew David Thackeray”, Quarterly journal of the Royal Astronomical Society, xx (1979), 216–22.

Thackeray A. D. , “RR Lyrae variables in the Magellanic Clouds”, Monthly notes of the Astronomical Society of South Africa, xxxiii (1974), 66–70.

Ibid.

Thackeray A. D. and Wesselink A. J. , “The distances of the Magellanic Clouds”, Nature, clxxi (1953), 693; see also Thackeray A. D. and Wesselink A. J. , “Distances of the Magellanic Clouds (II)”, The observatory, lxxv (1955), 33–34.

Thackeray A. D. , “The Rome meeting of the International Astronomical Union”, Monthly notes of the Astronomical Society of South Africa, xii (1953), 8–9.

See ref. 2.