PS1-10afx AT z = 1.388: PAN-STARRS1 DISCOVERY OF A NEW TYPE OF SUPERLUMINOUS SUPERNOVA

@article{Chornock2013PS110afxAZ,
  title={PS1-10afx AT z = 1.388: PAN-STARRS1 DISCOVERY OF A NEW TYPE OF SUPERLUMINOUS SUPERNOVA},
  author={Ryan Chornock and Edo Berger and Armin Rest and Dan Milisavljevic and Ragnhild Lunnan and Ryan J. Foley and Alicia Margarita Soderberg and Steven J. Smartt and Adam J. Burgasser and Peter J. Challis and Laura B. Chomiuk and Ian Czekala and Maria R. Drout and Wen-fai Fong and Martin E. Huber and Robert P. Kirshner and Camille N. Leibler and Brian McLeod and G. H. Marion and Gautham Narayan and Adam G. Riess and Katherine C. Roth and Nathan Edward Sanders and Dan Scolnic and K. Smith and Christopher W. Stubbs and John L. Tonry and Stefano Valenti and William S. Burgett and K. C. Chambers and Klaus W. Hodapp and Nicholas Kaiser and Rolf Peter Kudritzki and Eugene. A. Magnier and Paul A. Price},
  journal={The Astrophysical Journal},
  year={2013},
  volume={767}
}
We present the Pan-STARRS1 discovery of PS1-10afx, a unique hydrogen-deficient superluminous supernova (SLSN) at redshift z = 1.388. The light curve peaked at zP1 = 21.7 mag, making PS1-10afx comparable to the most luminous known SNe, with Mu = −22.3 mag. Our extensive optical and near-infrared observations indicate that the bolometric light curve of PS1-10afx rose on the unusually fast timescale of ∼12 days to the extraordinary peak luminosity of 4.1 × 1044 erg s−1 (Mbol = −22.8 mag) and… 

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