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183 GHz Water Megamasers in Active Galactic Nuclei: A New Accretion Disk Tracer

  • Authors: Dominic W. Pesce, James A. Braatz, Christian Henkel, Elizabeth M. L. Humphreys, C. M. Violette Impellizzeri, Cheng-Yu Kuo

Dominic W. Pesce et al 2023 The Astrophysical Journal 948 .

  • Provider: AAS Journals

Caption: Figure 1.

Comparison of 183 GHz spectra (in black) with their 22 GHz counterparts (in red, vertically offset). The 183 GHz spectra have been boxcar smoothed across 10 channels, corresponding to a ∼2 km s−1 post-averaging spectral resolution. Note that the pairs of spectra in each panel were not observed concurrently; in most cases, the 22 GHz spectrum predates the 183 GHz spectrum by multiple years.

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