Evidence for Late-stage Eruptive Mass-loss in the Progenitor to SN2018gep, a Broad-lined Ic Supernova: Pre-explosion Emission and a Rapidly Rising Luminous Transient.

@article{Ho2019EvidenceFL,
  title={Evidence for Late-stage Eruptive Mass-loss in the Progenitor to SN2018gep, a Broad-lined Ic Supernova: Pre-explosion Emission and a Rapidly Rising Luminous Transient.},
  author={A. Ho and D. Goldstein and S. Schulze and D. Khatami and D. Perley and M. Ergon and A. Gal-yam and A. Corsi and I. Andreoni and C. Barbarino and E. Bellm and N. Blagorodnova and J. Bright and E. Burns and S. Cenko and V. Cunningham and K. De and R. Dekany and A. Dugas and R. Fender and C. Fransson and C. Fremling and A. Goldstein and M. Graham and D. Hale and A. Horesh and T. Hung and M. Kasliwal and N. Kuin and S. Kulkarni and T. Kupfer and R. Lunnan and F. Masci and C. Ngeow and P. Nugent and E. Ofek and M. T. Patterson and G. Petitpas and B. Rusholme and H. Sai and I. Sfaradi and D. Shupe and J. Sollerman and M. Soumagnac and Y. Tachibana and F. Taddia and R. Walters and X. Wang and Y. Yao and X. Zhang},
  journal={arXiv: High Energy Astrophysical Phenomena},
  year={2019}
}
  • A. Ho, D. Goldstein, +47 authors X. Zhang
  • Published 2019
  • Physics
  • arXiv: High Energy Astrophysical Phenomena
  • We present detailed observations of ZTF18abukavn (SN2018gep), discovered in high-cadence data from the Zwicky Transient Facility as a rapidly rising ($1.4\pm0.1$ mag/hr) and luminous ($M_{g,\mathrm{peak}}=-20$ mag) transient. It is spectroscopically classified as a broad-lined stripped-envelope supernova (Ic-BL SN). The high peak luminosity ($L_{\mathrm{bol}} \gtrsim 3 \times 10^{44}$ erg $\mathrm{sec}^{-1}$), the short rise time ($t_{\mathrm{rise}}= 3$ days in $g$-band), and the blue colors at… CONTINUE READING
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