Method for Finding Variable Radio Sources in Drift-Scan Interferometric Data from the Nasu Observatory
Method for Finding Variable Radio Sources in Drift-Scan Interferometric Data from the Nasu Observatory
复制标题
那须天文台漂移扫描干涉数据中寻找可变射电源的方法
DOI:
10.1086/666592
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发表时间:
2012
影响因子:
3.5
通讯作者:
and T. Daishido
中科院分区:
文献类型:
--
作者:
T. Tanaka;T. Nakamizo;T. Aoki;S. Kida;K. Asuma;A. Imai;N. Furukawa;R. Hiruma;N. Matsumura;.K. Takefuji. K. Niinuma;and T. Daishido
We have developed an analysis method for finding flux variabilities of the fringes in drift-scan interferometric data at 1.4 GHz obtained from the Nasu observatory. This method uses the expectation data of the Nasu observation generated from a radio sky survey catalog at 1.4 GHz, such as the NRAO VLA Sky Survey (NVSS) catalog. The variabilities are detected by comparing the power scales of the fringes in the observation data with those in the expectation data. A difference in both data fringe scales indicates the possible presence of variabilities. By using the technique described above, we analyzed the Nasu drift-scan survey results at δ= 32.5±0.3. Thus, we succeeded in finding the fringe variabilities in the data. This result indicates that our method is effective in detecting fringe variabilities in the Nasu interferometric data.
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DOI:
10.1117/12.390458
发表时间:
2000
期刊:
--
影响因子:
--
作者:
T. Daishido;N. Tanaka;H. Takeuchi;Yukinori Akamine;F. Fujii;M. Kuniyoshi;T. Suemitsu;Kentaro Gotoh;Saori Mizuki;Keiju Mizuno;Tomoya Suzuki;K. Asuma
通讯作者:
K. Asuma
DOI:
--
发表时间:
2006
期刊:
Publications of the Astronomical Society of the Pacific Vol.118, N844
影响因子:
--
作者:
M.Kuniyoshi;T.Daishido;K.Asuma;Matsumura;Takefuji;K.Niinuma
通讯作者:
K.Niinuma
DOI:
10.1088/0004-6256/138/3/787
发表时间:
2009
期刊:
影响因子:
--
作者:
N. Matsumura;K. Niinuma;M. Kuniyoshi;K. Takefuji;K. Asuma;T. Daishido;S. Kida;T. Tanaka;T. Aoki;S. Ishikawa;K. Hirano;S. Nakagawa
通讯作者:
S. Nakagawa
DOI:
10.1088/2041-8205/714/1/l36
发表时间:
2010
期刊:
影响因子:
--
作者:
S. Kida;T. Daishido;T. Tanaka;T. Aoki;K. Tekefuji;K. Niinuma;K. Asuma;S. Nakagawa;H. Uehara;H. Akamatsu;A. Imai;H. Miyata;J. Ikouga;A. Otsubo;K. Odai;R. Kodama;Y. Takanashi;N. Nakamizo;Y. Yamada;R. Hiruma;N. Furukawa;N. Matsumura
通讯作者:
N. Matsumura
影响因子:
3.5
作者:
K. Takefuji;K. Asuma;Masaya Kuniyoshi;N. Matsumura;K. Niinuma;S. Kida;R. Nakamura;T. Tanaka;S. Suzuki;S. Isikawa;T. Aoki;K. Hirano;T. Daishido
通讯作者:
T. Daishido