Are large core radius clusters merging systems?
Subtitle: annual report #3 and final report for the period 15 February 1992 through 14 February 1997
By: principal investigator, William R. Forman ; prepared for National Aeronautics and Space Administration, Goddard Space Flight Center.
Contributors: Daines, S.; Markevitch, Maxim.; Goddard Space Flight Center.; Smithsonian Astrophysical Observatory.
Series: [NASA contractor report] -- NASA-CR-204482.; NASA contractor report -- NASA CR-204482.
Publisher: Smithsonian Institution, Astrophysical Observatory
Published: 1997
Place of publication: Cambridge, Mass
Language: eng
Format: Microform
Number of pages: 22
Subjects: Galaxies -- Clusters.; Gravitational lenses.
Notes: Cover title.

Shipping list no.: 98-0495-M.

"May 1997."

Includes bibliographical references.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1997]. 1 microfiche : negative.

NASA grant NAG5-1871.
Table of contents: value: Gravitating mass of the x-ray bright lensing cluster A1689 / S. Daines ... [et al.]; value: Abell 2218 : x-ray lensing, merger or both? (draft version, March 7, 1997) / Maxim Markevitch.