Other
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.7908m&link_type=abstract
American Astronomical Society, 201st AAS Meeting, #79.08; Bulletin of the American Astronomical Society, Vol. 34, p.1235
Other
Scientific paper
The spectrum of the quasar PG 0117+212 is a prime example of the richness of information about intervening galaxies and matter that quasar spectra can possess. Along this line of sight there are 10 metal-line systems, as well as a number of HI-only systems and galactic absorption. We have analyzed the five MgII systems at redshifts 0.5 to 1.4, using data from Keck and other ground-based telescopes, and from the HST/STIS and FOS archives. By applying photoionization and collisional ionization models, we have constrained the phase structure of these systems, and derived the physical parameters for each phase. We will consider the relationships between the absorption and the known galaxies along the line of sight. Comparing to other quasar absorption line systems at intermediate redshifts, we will draw conclusions about the nature of the absorbing structures.
Charlton Jane C.
Churchill Christopher W.
Masiero Joseph R.
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