Outputs (4)

The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548 (2019)
Journal Article

We have recently initiated the first spectroscopic dust reverberation programme on active galactic nuclei in the near-infrared. Spectroscopy enables measurement of dust properties, such as flux, temperature, and covering factor, with higher precision... Read More about The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548.

The relativistic jet of the γ-ray emitting narrow-line Seyfert 1 galaxy PKS J1222+0413 (2019)
Journal Article

We present a multi-frequency study of PKS J1222+0413 (4C +04.42), currently the highest redshift γ-ray emitting narrow-line Seyfert 1 (γ-NLS1). We assemble a broad spectral energy distribution (SED) including previously unpublished datasets: X-ray da... Read More about The relativistic jet of the γ-ray emitting narrow-line Seyfert 1 galaxy PKS J1222+0413.

Torus model properties of an ultra-hard X-ray selected sample of Seyfert galaxies (2019)
Journal Article

We characterize for the first time the torus properties of an ultra-hard X-ray (14–195 keV) volume-limited (DL < 40 Mpc) sample of 24 Seyfert (Sy) galaxies (BCS40 sample). The sample was selected from the Swift/BAT nine-month catalogue.We use high an... Read More about Torus model properties of an ultra-hard X-ray selected sample of Seyfert galaxies.

The ‘Big Dipper’: the nature of the extreme variability of the AGN SDSS J2232−0806 (2019)
Journal Article

SDSS J2232−0806 (the ‘Big Dipper’) has been identified as a ‘slow-blue nuclear hypervariable’: a galaxy with no previously known active nucleus, blue colours, and large-amplitude brightness evolution occurring on a time-scale of years. Subsequent obs... Read More about The ‘Big Dipper’: the nature of the extreme variability of the AGN SDSS J2232−0806.