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Hydrogen-poor superluminous supernovae from the Pan-STARRS1 Medium Deep Survey.

Lunnan, R. and Chornock, R. and Berger, E. and Jones, D. O. and Rest, A. and Czekala, I. and Dittmann, J. and Drout, M. R. and Foley, R. J. and Fong, W. and Kirshner, R. P. and Laskar, T. and Leibler, C. N. and Margutti, R. and Milisavljevic, D. and Narayan, G. and Pan, Y.-C. and Riess, A. G. and Roth, K. C. and Sanders, N. E. and Scolnic, D. and Smartt, S. J. and Smith, K. W. and Chambers, K. C. and Draper, P. W. and Flewelling, H. and Huber, M. E. and Kaiser, N. and Kudritzki, R. P. and Magnier, E. A. and Metcalfe, N. and Wainscoat, R. J. and Waters, C. and Willman, M. (2018) 'Hydrogen-poor superluminous supernovae from the Pan-STARRS1 Medium Deep Survey.', Astrophysical journal., 852 (2). p. 81.

Abstract

We present light curves and classification spectra of 17 hydrogen-poor superluminous supernovae (SLSNe) from the Pan-STARRS1 Medium Deep Survey (PS1 MDS). Our sample contains all objects from the PS1 MDS sample with spectroscopic classification that are similar to either of the prototypes SN 2005ap or SN 2007bi, without an explicit limit on luminosity. With a redshift range 0.3 1.6 < <z , PS1 MDS is the first SLSN sample primarily probing the high-redshift population; our multifilter PS1 light curves probe the rest-frame UV emission, and hence the peak of the spectral energy distribution. We measure the temperature evolution and construct bolometric light curves, and find peak luminosities of 0.5 5 10 ´ 44 ( – ) erg s −1 and lower limits on the total radiated energies of 0.3 2 10 ´ 51 ( – ) erg. The light curve shapes are diverse, with both rise and decline times spanning a factor of ∼5 and several examples of double-peaked light curves. When correcting for the flux-limited nature of our survey, we find a median peak luminosity at 4000 Å of M4000 = -21.1 mag and a spread of s = 0.7 mag.

Item Type:Article
Full text:(VoR) Version of Record
First Live Deposit - 25 January 2018
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.3847/1538-4357/aa9f1a
Publisher statement:© 2018. The American Astronomical Society. All rights reserved.
Record Created:25 Jan 2018 14:28
Last Modified:25 Jan 2018 14:59

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