Analysis of HST/STIS absorption line spectra for Perseus Molecular Cloud Sightlines

Details Analysis of HST/STIS absorption line spectra for Perseus Molecular Cloud Sightlines Analysis of HST/STIS absorption line spectra for Perseus Molecular Cloud Sightlines

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.6106c&link_type=abstract

American Astronomical Society Meeting 204, #61.06; Bulletin of the American Astronomical Society, Vol. 36, p.769

Astronomy and Astrophysics

Astronomy

Scientific paper

We present results of analysis of HST/STIS spectra for two sightlines near Perseus. These observations are used to determine precise models of the kinematics and relative abundances of ions and atoms within the cloud. The column densities, velocities, and line widths for several ionized and non-ionized species, including S I, S II, Mg II, Mn II, and Ni II were obtained by fitting Hubble STIS spectra in the wavelength region between 1150 and 1550 Å with an interactive fitting program. The resulting column densities were used in conjunction with the CLOUDY program to model conditions and constrain the density, pressure, temperature, and ionizing flux within the clouds.

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