Chandra Observations of the First Sample of Radio-Loud Narrow Line Seyfert i Galaxies

Details Chandra Observations of the First Sample of Radio-Loud Narrow Line Seyfert i Galaxies Chandra Observations of the First Sample of Radio-Loud Narrow Line Seyfert i Galaxies

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1292l&link_type=abstract

Chandra Proposal ID #04700839

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Chandra Proposal Id #04700839

Scientific paper

Very few radio-loud Narrow Line Seyfert I galaxies (NLS1s) are known. These objects, however, present an interesting dilemma: radio luminosity in quasars correlates well with black hole mass, but the leading NLS1 unification theory hypothesizes that NLS1s differ from classical Seyferts by having smaller black holes which accrete near the Eddington limit. We have created a new sample of exclusively radio-loud (and luminous) NLS1s and propose to study their X-ray properties with Chandra. Specifically, we propose to measure the X-ray spectral slope for 11 radio-loud NLS1s and to compare our results with those for samples of radio-quiet NLS1s, classical Seyferts and radio-loud and -quiet AGN in order to determine what physical property unifies NLS1s and other classes of AGN.

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