Computer Science
Scientific paper
Jul 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996hst..prop.6747k&link_type=abstract
HST Proposal ID #6747
Computer Science
Hst Proposal Id #6747 Agn
Scientific paper
In July of 1996 the International AGN Watch will monitor theSeyfert 1 galaxy NGC 7469 continuously for 30 days using theInternational Ultraviolet Explorer, the X-ray Timing Explorerand a network of ground-based observatories. The IUE andoptical data will be used to determine the structure andkinematics of the broad-line region in this active galacticnucleus through reverberation mapping. The simultaneousoptical, IUE and XTE data will probe the connections betweenthe optical, UV and X-ray continua with an unprecedentedcombination of high temporal resolution and long duration. Wepropose to obtain a high signal-to-noise snapshot of the UVspectrum from 1150--3300 Angstrom during this intensivemonitoring period using the high resolution gratings of theFaint Object Spectrograph. This spectrum will allow us todisentangle the UV continuum more accurately from the broadwings of the emission lines, identify clean continuum windowsfree of contaminating emission and absorption, and deblendline complexes such as LyAlpha+N V, C IV+He II+O III,Si III+C IIII and Mg II+Fe II. This high resolutionspectrum will then serve as a template for deblending andmeasuring the lower resolution IUE spectra.
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