Blazar OJ287

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#577273

Thanks Gary,

The graphic in question was actually Figure 5.10a from my book ‘Cataclysmic Cosmic Events and How to Observe Them’, probably the world’s slowest selling book! Figure 5.11 was the BAA lightcurve produced by yourself. I just looked back at our 2007 e-mails and in fact there was another similar diagram in circulation at that time. We both asked OJ 287 expert Dr Mauri Valtonen if the image was his, and he said it was drawn by Sky & Telescope. I think we both asked S&T for permission to use it,  but never received a reply! So, in the end, I drew the diagram in question myself, based on Mauri’s data…. The OJ 287 disc is actually a blurred image of mine, of M81, tinted blue!

Martin