NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login
Back to Results
Exploring the Full Range of Properties of Quasar Spectral DistributionsThe aim of this work is to support our ISO, far-infrared (IR) observing program of quasars and active galaxies. We have obtained, as far as possible, complete spectral energy distributions (radio-X-ray) of the ISO sample in order to fully delineate the continuum shapes and to allow detailed modelling of that continuum. This includes: ground-based optical, near-IR and mm data, the spectral ranges closest to the ISO data, within 1-2 years of the ISO observations themselves. ISO was launched in Nov 1995 and is currently observing routinely. It has an estimated lifetime is 2 years. All near-IR and optical imaging and spectroscopy are now in hand and in the process of being reduced, mm data collection and proposal writing continues.
Document ID
19980185831
Acquisition Source
Headquarters
Document Type
Contractor Report (CR)
Authors
Wilkes, B. (Smithsonian Astrophysical Observatory Cambridge, MA United States)
Date Acquired
September 6, 2013
Publication Date
February 1, 1998
Subject Category
Astronomy
Report/Patent Number
NASA/CR-1998-207482
NAS 1.26:207482
Funding Number(s)
CONTRACT_GRANT: NAGw-4266
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Related Records

There are no records associated with this record.
No Preview Available