A subaru search for Lyman α emitters at z = 5.8 with an intermediate-band filter

Masaru Ajiki, Yoshiaki Taniguchi, Shinobu S. Fujita, Yasuhiro Shioya, Tohru Nagao, Takashi Murayama, Sanae F. Yamada, Kazuyoshi Umeda, Shunji S. Sasaki, Ryoko Sumiya, Yutaka Komiyama

研究成果: Article査読

25 被引用数 (Scopus)

抄録

We present the results of a survey for Lyα emitters at z ≈ 5.8 using a new intermediate-band filter centered at λc ≈ 8275 Å with ΔλFWHM ≈ 340 Å (i.e., spectroscopic resolution is R ≈ 24) and a combination with a traditional narrow-band centered at λc ≈ 8150 Å with ΔλFWHM ≈ 120 Å (R ≈ 68). Our observations were made using the Subaru Prime Focus Camera, Suprime-Cam, on the 8.2 m Subaru telescope in a sky area surrounding the high-redshift quasar SDSSp J104433.04-012522.2 at z = 5.74, covering an effective sky area of ≈ 720 arcmin2. In this survey, we have found four Lyα-emitter candidates from the intermediate-band image (z ≈ 5.8 with Δz ≈ 0.3). Combined with our previous results based on the NB816 imaging, we discuss the star-formation activity in galaxies between z ≈ 5.7 and z ≈ 5.9.

本文言語English
ページ(範囲)597-603
ページ数7
ジャーナルPublications of the Astronomical Society of Japan
56
4
DOI
出版ステータスPublished - 2004

ASJC Scopus subject areas

  • 天文学と天体物理学
  • 宇宙惑星科学

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