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Spitzer space telescope measurements of dust reverberation lags in the Seyfert 1 galaxy NGC 6418

Vazquez, Billy; Galianni, Pasquale; Richmond, Michael W.; Robinson, Andrew Edward; Axon, David J.; Hörne, Keith D.; Almeyda, Triana; Fausnaugh, Michael M.; Peterson, Bradley M.; Batcheldor, Dan (2015-03-10)

We present results from a 15 month campaign of high-cadence (∼3 days) mid-infrared Spitzer and optical (B and V) monitoring of the Seyfert 1 galaxy NGC 6418, with the objective of determining the characteristic size of the ...