IUE and ROSAT monitoring of the bright QSO H1821+643
By: prepared by Columbia Astrophysics Laboratory, Departments of Astronomy and Physics, Columbia University ; Jules Halpern, principal investigator.
Contributors: Halpern, Jules P.; Laboratory for Astronomy and Solar Physics (Goddard Space Flight Center)
Series: NASA contractor report -- NASA CR-188719.
Publisher: Trustees of Columbia Univeristy in the City of New York; Laboratory for Astronomy & Solar Physics, Space and Earth Sciences Directorate, Goddard Space Flight Center
Published: 1991
Place of publication: New York, N.Y; Greenbelt, MD
Language: eng
Format: Microform
Subjects: Quasars -- Remote sensing.; Artificial satellites in aeronautics -- Remote sensing.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 92-0585-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1991] 1 microfiche.