Corpus ID: 224705232

A Family Tree of Optical Transients from Narrow-Line Seyfert 1 Galaxies.

@article{Frederick2020AFT,
  title={A Family Tree of Optical Transients from Narrow-Line Seyfert 1 Galaxies.},
  author={S. Frederick and S. Gezari and M. Graham and J. Sollerman and S. V. Velzen and D. Perley and D. Stern and C. Ward and E. Hammerstein and T. Hung and L. Yan and I. Andreoni and E. Bellm and D. Duev and M. Kowalski and A. Mahabal and F. Masci and M. Medford and B. Rusholme and R. Walters},
  journal={arXiv: High Energy Astrophysical Phenomena},
  year={2020}
}
The Zwicky Transient Facility (ZTF) has discovered five new events belonging to an emerging class of AGN undergoing smooth flares with large amplitudes and rapid rise times. This sample consists of several transients that were initially classified as supernovae with narrow spectral lines. However, upon closer inspection, all of the host galaxies display resolved Balmer lines characteristic of a narrow-line Seyfert 1 (NLSy1) galaxy. The transient events are long-lived, over 400 days on average… Expand
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