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The Suzaku Seyfert 1 Sample

The Suzaku Seyfert 1 Sample

The sample is comprised of 69 Seyfert 1 galaxies (i.e. Seyfert 1, 1.2 and 1.5) locate from 0.00234 < z < 0.237 and possessing intrinsic column densities less than 1022 cm-2. It includes 47 Broad-line Seyfert 1s (BLS1s) and 22 Narrow-line Seyfert 1s. The sample is defined in Waddell & Gallo (2020).


Many of the AGN in the sample were observed multiple times over the lifetime of Suzaku. Here, all multi-epoch spectra were merged to produce a single average XIS spectrum for each source. Likewise for the PIN spectrum. Initial spectral results are presented in Waddell & Gallo (2020).

Eventually, each spectrum will be available for viewing and download.

Light Curves

Eventually, light curves for each observation will be available for viewing and download.

Sample Related Papers

A list of papers published by my group related to the Suzaku Seyfert 1 sample. Most of them are examining and comparing broad-line and narrow-line Seyfert 1 galaxies.


I. X-ray spectral properties

Science Paper (ADS)

This is the initial paper in which we define the sample and describe the average, broadband (XIS + PIN) spectral properties. The work was led by former undergraduate student S. Waddell.


II. Iron emission and absorption

Science Paper (ADS)

This is the second paper based on the Suzkau Seyfert 1 sample and it focusses on the Fe K band. We find differences in the average line profile of NLS1s and BLS1s. There may also be differences in the ratio of iron emission-to-absorbed that might point to different torus geometries between the classes. This work was led by former undergrad S. Waddell who is now at MPE.

Luigi Gallo

Luigi C. Gallo, Professor

  Saint Mary's University

    Department of Astronomy & Physics

    923 Robie Street, Halfiax NS, B3H 3C3, Canada

  +1 902 420 5637

  luigi.gallo AT smu.ca