Quick-look data analysis in the Nasu radio transient search project

K. Takefuji*, K. Asuma, M. Kuniyoshi, N. Matsumura, K. Niinuma, S. Kida, R. Nakamura, T. Tanaka, S. Suzuki, S. Isikawa, T. Aoki, K. Hirano, T. Daishido

*この研究の対応する著者

研究成果: Article査読

9 被引用数 (Scopus)

抄録

We have developed a new technique, called quick-look data analysis, for radio transient searches at the Nasu Interferometer. Quick-look data, a color map according to the radio source signal-to-noise ratio (S/N), were generated spatially and temporally from drift-scanning data. A steady source appears at the same right ascension with the same color every day. In contrast, transient objects such as radio bursts appear irregularly in the sky, and the resulting map will have sporadic patches. Radio transient WJN J1443+3439 has already been detected using this technique. The quick-look data were created using processes that we call the fringe-detecting method and color image creation, which we describe here, and we show actual color images of Cyg A, 3C 48, Mrk 501, and the transient radio source WJN J1443+3439 found in 2005.

本文言語English
ページ(範囲)1145-1151
ページ数7
ジャーナルPublications of the Astronomical Society of the Pacific
119
860
DOI
出版ステータスPublished - 2007 10月
外部発表はい

ASJC Scopus subject areas

  • 天文学と天体物理学
  • 宇宙惑星科学

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