Multiwavelength dissection of a massive heavily dust-obscured galaxy and its blue companion at z∼2

@article{Hamed2021MultiwavelengthDO,
  title={Multiwavelength dissection of a massive heavily dust-obscured galaxy and its blue companion at z∼2},
  author={Mahmoud Hamed and Laure Ciesla and Matthieu B'ethermin and Katarzyna Małek and Emanuele Daddi and Mark T. Sargent and Raphael Gobat},
  journal={Astronomy \& Astrophysics},
  year={2021}
}
Aims. We study a system of two galaxies, Astarte and Adonis, at z ∼ 2. At this time, the Universe was undergoing the peak of its star formation activity. Astarte is a dusty star-forming galaxy at the massive end of the main sequence (MS), and Adonis is a less massive companion galaxy that is bright in the ultraviolet and has an optical spectroscopic redshift. We investigate whether this ultramassive galaxy is quenching, and whether it has always been on the MS of star-forming galaxies. Methods… 
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