Publications

Visit [NASA ADS] or [ORCID] for the full list of my scientific publications.

Summarized below are the main research achievements. 

・K. Nakajima, M. Ouchi, Y. Isobe, et al. "JWST Census for the Mass-Metallicity Star-Formation Relations at z=4-10 with the Self-Consistent Flux Calibration and the Proper Metallicity Calibrators", The Astrophysical Journal Supplement Series in press., 2023 [ADS]

・K. Nakajima, M. Ouchi, Y. Xu, et al. "EMPRESS. V. Metallicity Diagnostics of Galaxies over 12+log(O/H)=~6.9-8.9 Established by a Local Galaxy Census: Preparing for JWST Spectroscopy", The Astrophysical Journal Supplement Series, 262, 3, 2022 [ADS]

・K. Nakajima and R. Maiolino "Diagnostics for PopIII galaxies and Direct Collapse Black Holes in the early universe", Monthly Notices of the Royal Astronomical Society, 513, 5134, 2022 [ADS]

・K. Nakajima, R. S. Ellis, B. E. Robertson, et al. "The Lyman Continuum Escape Survey. II. Ionizing Radiation as a Function of the [OIII]/[OII] Line Ratio", The Astrophysical Journal, 889, 161, 2020 [ADS]

・K. Nakajima, D. Schaerer, O. Le Fèvre, et al. "The VIMOS Ultra Deep Survey: Nature, ISM properties, and ionizing spectra of CIII]λ1909 emitters at z=2-4", Astronomy & Astrophysics, 612, A94, 2018 [ADS]

・K. Nakajima, T. Fletcher, R. S. Ellis, et al. "The mean ultraviolet spectrum of a representative sample of faint z∼3 Lyman alpha emitters", Monthly Notices of the Royal Astronomical Society, 477, 2098, 2018 [ADS]

・K. Nakajima, R. S. Ellis, I. Iwata, et al. "A Hard Ionizing Spectrum in z=3-4 Lyα Emitters with Intense [OIII] Emission: Analogs of Galaxies in the Reionization Era?", The Astrophysical Journal Letters, 831, L9, 2016 [ADS]

・K. Nakajima and M. Ouchi "Ionization state of inter-stellar medium in galaxies: evolution, SFR-Mstar-Z dependence, and ionizing photon escape", Monthly Notices of the Royal Astronomical Society, 442, 900, 2014 [ADS]

・K. Nakajima, M. Ouchi, K. Shimasaku, et al. "First Spectroscopic Evidence for High Ionization State and Low Oxygen Abundance in Lyα Emitters", The Astrophysical Journal, 769, 3, 2013 [ADS]

・K. Nakajima, M. Ouchi, K. Shimasaku, et al. "Average Metallicity and Star Formation Rate of Lyα Emitters Probed by a Triple Narrowband Survey", The Astrophysical Journal, 745, 12, 2012 [ADS]