Search and redshift survey for IRAS galaxies behind the milky way and structure of the local void

Kouichiro Nakanishi, Tadafumi Takata, Toru Yamada, Tsutomu T. Takeuchi, Ryuichi Shiroya, Morio Miyazawa, Shigeo Watanabe, Mamoru Saito

研究成果: Article査読

27 被引用数 (Scopus)

抄録

This is the third and final paper of our systematic visual search for IRAS galaxies behind the Milky Way at |b| ≤ 15°. This paper presents a catalog of 950 IRAS galaxies with 60 μm flux densities larger than 0.6 Jy located between l = 0° and 150°, of which 293 are newly identified by this search. We made a redshift survey for the identified galaxies and obtained new redshift data of 171 galaxies. We also present newly measured redshifts of 27 IRAS galaxies between l = 150° and 225° at |b| ≤ 15°. In this paper we studied the structure of the Local void using IRAS galaxies and galaxies from the Third Reference Catalogue of Bright Galaxies in the region l = 30°-120° and b =: -50° to +30°. The center of the Local void turned out to be located at l ∼ 60°, b ∼ -15°, and cz ∼ 2500 km s-1, and the size is about 2500 km s-1 along the direction toward the center.

本文言語English
ページ(範囲)245-270
ページ数26
ジャーナルAstrophysical Journal, Supplement Series
112
2
DOI
出版ステータスPublished - 1997 10月

ASJC Scopus subject areas

  • 天文学と天体物理学
  • 宇宙惑星科学

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