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

被引：29

作者：

Ajiki, M ^{[1
]}

Taniguchi, Y

Fujita, SS

Shioya, Y

Nagao, T

Murayama, T

Yamada, SF

Umeda, K

Sasaki, SS

Sumiya, R

Komiyama, Y

机构：

[1] Tohoku Univ, Grad Sch Sci, Astron Inst, Sendai, Miyagi 9808578, Japan

[2] Osserv Astrofis Arcetri, INAF, I-50125 Florence, Italy

[3] Natl Astron Observ Japan, Subaru Telescope, Hilo, HI 96720 USA

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN | 2004年 / 56卷 / 04期

关键词：

cosmology : early universe; cosmology : observations; galaxies : evolution; galaxies : formation;

D O I：

10.1093/pasj/56.4.597

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the results of a survey for Lyalpha emitters at z approximate to 5.8 using a new intermediate-band filter centered at lambda(c) = 8275 Angstrom with DeltalambdaWHM z approximate to 340 Angstrom (i.e., spectroscopic resolution is R approximate to 24) and a combination with a traditional narrow-band centered at lambda(c) approximate to 8150Angstrom with Deltalambda(FWHM) approximate to 120Angstrom (R approximate to 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 approximate to 720 arcmin(2). In this survey, we have found four Lyalpha-emitter candidates from the intermediate-band image (z approximate to 5.8 with Deltaz approximate to 0.3). Combined with our previous results based on the NB816 imaging, we discuss the star-formation activity in galaxies between z approximate to 5.7 and z approximate to 5.9.

引用

页码：597 / 603

页数：7

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