Metallicity Determination in a Narrow Line Seyfert 1 Galaxy Using Joint Chandra & HST Observations

Details Metallicity Determination in a Narrow Line Seyfert 1 Galaxy Using Joint Chandra & HST Observations Metallicity Determination in a Narrow Line Seyfert 1 Galaxy Using Joint Chandra & HST Observations

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1256m&link_type=abstract

Chandra Proposal ID #04700181

Physics

Chandra Proposal Id #04700181

Scientific paper

By virtue of their extreme properties, NLS1s have given us crucial leverage on the key physical parameters underlying the AGN phenomenon (m_dot and M_{BH}). There is also suggestive evidence of super-solar abundance in some NLS1s, possibly as a result of rapid nuclear star formation in the early/rejuvenated phase of galaxy evolution. The goal of this proposal is to measure accurately the metallicity in a NLS1 with high resolution X-ray and UV spectroscopy. Observations of elements with multiple ionization states in the X-ray band, and abundance sensitive lithium-like nitrogen (NV) in the UV allow accurate determination of ionization parameter, and thus metallicity. This is not only important for understanding the NLS1 phenomenon, but also for investigating evolutionary aspects of AGNs.

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