Revealing the Double Nucleus of NGC 4490

@article{Lawrence2020RevealingTD,
  title={Revealing the Double Nucleus of NGC 4490},
  author={A. Lawrence and C. Kerton and C. Struck and B. Smith},
  journal={arXiv: Astrophysics of Galaxies},
  year={2020}
}
NGC 4490/85 (UGC 7651/48) or Arp 269 is well known for being one of the closest interacting/merging galactic systems. NGC 4490 has a high star formation rate (SFR) and is surrounded by an enormous HI feature stretching about 60 kpc north and south of the optically visible galaxies. Both the driver for the high SFR in NGC 4490 and the formation mechanism of the HI structure are puzzling aspects of this system. We have used mid-infrared Spitzer data to show that NGC 4490 has a double nucleus… Expand

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