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Copious Amounts of Dust and Gas in a z = 7.5 Quasar Host Galaxy

  • Authors: Bram P. Venemans, Fabian Walter, Roberto Decarli, Eduardo Bañados, Chris Carilli, Jan Martin Winters, Karl Schuster, Elisabete da Cunha, Xiaohui Fan, Emanuele Paolo Farina, Chiara Mazzucchelli, Hans-Walter Rix, and Axel Weiss

2017 The Astrophysical Journal Letters 851 L8.

  • Provider: AAS Journals

Caption: Figure 2.

Maps of the [C II] emission (left), the continuum emission at 223.5 GHz (middle), and the continuum at 41.0 GHz of J1342+0928. The [C II] map was created by averaging the continuum-subtracted datacube over 455 km s−1 (﹩2.8\times {\sigma }_{[{\rm{C}}{\rm{II}}]}﹩). The cross indicates the near-infrared position of the quasar. The beam is overplotted in the bottom left corner of each map. The contours show the emission at levels −3σ and −2σ (dotted lines) and +2σ, +3σ, +5σ, +7σ, and +9σ (solid lines), where the σ denotes the noise in the image (247 μJy beam−1, 73 μJy beam−1, and 5.7 μJy beam−1, respectively). The nearby millimeter continuum source (Section 2.1) can be seen toward the northeast in the middle panel.

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