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Abstract We present the spectroscopic discovery of 69 quasars at 5.8 P Q B > 0.1 in the HSC-SSP third public data release (PDR3). The sample reported here also includes three quasars with P Q B 0.1 at z ∼ 6.6, which we selected in an effort to completely cover the reddest point sources with simple color cuts. The number of high- z quasars discovered in SHELLQs has now grown to 162, including 23 type II quasar candidates. This paper also presents identification of seven galaxies at 5.6 5.6. This demonstrates that the algorithm has very high efficiency, even though we are probing an unprecedentedly low luminosity population down to M 1450 ∼ −21 mag.
Matsuoka et al. (Mon,) studied this question.