Physics
Scientific paper
Dec 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997hst..prop.7215t&link_type=abstract
HST Proposal ID #7215
Physics
Hst Proposal Id #7215 Agn/Quasars
Scientific paper
NGC 1068 and NGC 4151 are two of the brightest, nearest and most studied AGNs. This program studies the high resolution morphology of the continuum and line emission in these two galaxies. The continuum studies will determine the stellar and non-stellar luminosity distribution in the galaxies. The shorter wavelengths in each galaxy have significant stellar contributions to the luminosity as is demonstrated by their spectra. The longer wavelengths are dominated by non-stellar emission. In addition we will be looking at the stellar content by utilizing the CO continuum and band filters. NGC 1068 has a significant stellar CO absorption while NGC 4151 does not. The lines to be studied in each galaxy are Paschen Alpha, [S III] .9531, [Fe II] 1.64, H2 S1 2.12 and [Si VI] 1.96. Many of these line have different forms of excitation and map out the regions of high ionization radiation, intermediate ionization zones and collisional shocks. The parallel NICMOS fields at each pointing are in the galaxy and are part of the overall line emission region morphology scientific program.
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