TY - JOUR
T1 - Quick-look data analysis in the Nasu radio transient search project
AU - Takefuji, K.
AU - Asuma, K.
AU - Kuniyoshi, M.
AU - Matsumura, N.
AU - Niinuma, K.
AU - Kida, S.
AU - Nakamura, R.
AU - Tanaka, T.
AU - Suzuki, S.
AU - Isikawa, S.
AU - Aoki, T.
AU - Hirano, K.
AU - Daishido, T.
PY - 2007/10
Y1 - 2007/10
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=36049037228&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=36049037228&partnerID=8YFLogxK
U2 - 10.1086/522207
DO - 10.1086/522207
M3 - Article
AN - SCOPUS:36049037228
SN - 0004-6280
VL - 119
SP - 1145
EP - 1151
JO - Publications of the Astronomical Society of the Pacific
JF - Publications of the Astronomical Society of the Pacific
IS - 860
ER -