An astrophysics data program investigation of cluster evolution : semiannual report no. 1 : for the period 1 August 1989 through 31 January 1990 /

Bibliographic Details

Main Author:	Kellogg, Edwin M.
Corporate Authors:	Smithsonian Astrophysical Observatory, Goddard Space Flight Center
Format:	Government Document Book
Language:	English
Published:	Cambridge, Mass. : Smithsonian Institution, Astrophysical Observatory, [1990]
Series:	NASA contractor report ; NASA CR-181296.
Subjects:	Astrophysics. Galactic clusters. Gravitational lenses. Mass distribution. Surveys. X rays.
Online Access:	https://purl.fdlp.gov/GPO/LPS68275