First Release of High-Redshift Superluminous Supernovae from the Subaru HIgh-Z SUpernova CAmpaign (SHIZUCA). I. Photometric Properties

@article{Moriya2019FirstRO,
  title={First Release of High-Redshift Superluminous Supernovae from the Subaru HIgh-Z SUpernova CAmpaign (SHIZUCA). I. Photometric Properties},
  author={Takashi J. Moriya and Masaomi Tanaka and Naoki Yasuda and Jiachen Jiang and Chien-Hsiu Lee and Keiichi Maeda and Tomoki Morokuma and Ken’ichi Nomoto and Robert M. Quimby and Nao Suzuki and Ichiro Takahashi and Masayuki Tanaka and Nozomu Tominaga and Masaki S. Yamaguchi and Stephanie R. Bernard and Jeff Cooke and Chris Curtin and Llu{\'i}s Galbany and Santiago Gonz{\'a}lez-Gait{\'a}n and Giuliano Pignata and Tyler Pritchard and Yutaka Komiyama and Robert H. Lupton},
  journal={The Astrophysical Journal Supplement Series},
  year={2019},
  volume={241}
}
We report our first discoveries of high-redshift supernovae from the Subaru HIgh-Z sUpernova CAmpaign, the transient survey using Subaru/Hyper Suprime-Cam (HSC). We report the discovery of three supernovae at the spectroscopically confirmed redshifts of 2.399 (HSC16adga), 1.965 (HSC17auzg), and 1.851 (HSC17dbpf), and two supernova candidates with the host galaxy photometric redshifts of 3.2 (HSC16apuo) and 4.2 (HSC17dsid), respectively. In this paper, we present their photometric properties… 

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First Release of High-redshift Superluminous Supernovae from the Subaru HIgh-Z SUpernova CAmpaign (SHIZUCA). II. Spectroscopic Properties

We present Keck spectroscopic observations of three probable high-redshift superluminous supernovae (SLSNe) from the Subaru HIgh-Z sUpernova CAmpaign (SHIZUCA), confirming redshifts of 1.851, 1.965,

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Superluminous supernova progenitors have a half-solar metallicity threshold

Host galaxy properties provide strong constraints on the stellar progenitors of superluminous supernovae. By comparing a sample of 19 low-redshift (z < 0.3) superluminous supernova hosts to galaxy
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