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The Next Generation Fornax Survey (NGFS). V. Discovery of a Dwarf–Dwarf Galaxy Pair at z = 0.30 and Its Characterization Using Deep VLT/MUSE Observations

  • Authors: Evelyn J. Johnston, Paul Eigenthaler, Thomas H. Puzia, Yasna Ordenes-Briceño, Matthew A. Taylor, Karla Alamo-Martínez, Patrick Côté, Gaspar Galaz, Eva K. Grebel, Michael Hilker, Ariane Lançon, Steffen Mieske, Ruben Sánchez-Janssen, and Yu Rong

2019 The Astrophysical Journal 873 59.

  • Provider: AAS Journals

Caption: Figure 3.

The i′-band image of NGC 1396 created from the MUSE datacube, with the redshifts overplotted for all objects for which a redshift could be measured. Red and light blue circles and labels represent galaxies at z > 0.30 and z < 0.30, respectively, while darker blue circles reflect globular clusters at the same redshift as NGC 1396 from Mentz et al. (2016) for which the S/N was too low to obtain a reliable redshift with the MUSE data. The concentric white circles are centered on the dwarf–dwarf pair at z = 0.30 and display the circular field of view within which we can fully search for neighbors (inner circle) and the circular distance to the nearest neighbor (outer circle). The image is orientated with north to the top and east to the left.

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