A new high-redshift Lyα emitter:: Possible superwind galaxy at z=5.69

被引：60

作者：

Ajiki, M ^{[1
]}

Taniguchi, Y

Murayama, T

Nagao, T

Veilleux, S

Shioya, Y

Fujita, SS

Kakazu, Y

Komiyama, Y

Okamura, S

Sanders, DB

Oyabu, S

Kawara, K

Ohyama, Y

Iye, M

Kashikawa, N

Yoshida, M

Sasaki, T

Kosugi, G

Aoki, K

Takata, T

Saito, Y

Kawabata, KS

Sekiguchi, K

Okita, K

Shimizu, Y

Inata, M

Ebizuka, N

Ozawa, T

Yadoumaru, Y

Taguchi, H

Ando, H

Nishimura, T

Hayashi, M

Ogasawara, R

Ichikawa, S

机构：

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

[2] Univ Maryland, Dept Astron, College Pk, MD 20742 USA

[3] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA

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

[5] Univ Tokyo, Grad Sch Sci, Dept Astron, Tokyo 1130033, Japan

[6] Univ Tokyo, Sch Sci, Res Ctr Early Universe, Tokyo 1130033, Japan

[7] Univ Tokyo, Grad Sch Sci, Inst Astron, Tokyo 1810015, Japan

[8] Natl Astron Observ Japan, Tokyo 1818588, Japan

[9] Natl Astron Observ, Okayama Astrophys Observ, Kamogata, Okayama 7190232, Japan

[10] Commun Res Labs, Tokyo 1848795, Japan

[11] Misato Observ, Misato, Wakayama 6401366, Japan

[12] Tokyo Gakugei Univ, Dept Astron & Earth Sci, Tokyo 1848501, Japan

来源：

ASTROPHYSICAL JOURNAL | 2002年 / 576卷 / 01期

关键词：

galaxies : formation; galaxies : individual (LAE J1044-0130); galaxies : starburst;

D O I：

10.1086/343026

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

During the course of our deep optical imaging survey for Lyalpha emitters at in the field around the z approximate to 5.7 z = 5.74 quasar SDSSp J104433.04-012502.2, we found a candidate strong emission line source. Follow-up z p 5.74 optical spectroscopy shows that the emission-line profile of this object is asymmetric, showing excess red wing emission. These properties are consistent with an identification of Lyalpha emission at a redshift of z = 5.687 +/- 0.002. The observed broad line width (Deltav(FWHM) similar or equal to 340 km s(-1)) and excess red wing emission also suggest that this object hosts a galactic superwind.

引用

页码：L25 / L28

页数：4

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