638 citations · 8.2k across the 118 of their papers we have counts for
Showing 2019 · astro-ph.GAShow all
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astro-ph.GA2019★ 12 cited
The relativistic jet of the -ray emitting narrow-line Seyfert 1 galaxy PKS J12220413
Daniel Kynoch, Hermine Landt, Martin J. Ward +5
We present a multi-frequency study of PKS J12220413 (4C04.42), currently the highest redshift -ray emitting narrow-line Seyfert 1 (-NLS1). We assemble a broad spectral…
astro-ph.GA2019★ 11 cited
The 'Big Dipper': The nature of the extreme variability of the AGN SDSS J2232-0806
Daniel Kynoch, Martin J. Ward, Andy Lawrence +3
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 br…