Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) - XXII. Chandra observations of narrow-line quasar candidates at z ≥ 6
K. Iwasawa, R. Gilli, F. Vito, Y. Matsuoka, M. Onoue, M. A. Strauss, N. Kashikawa, Y. Toba, K. Shimasaku, K. Inayoshi, T. Nagao, N. Kawanaka, J. D. Silverman, T. Izumi, K. Kohno and Y. Ueda