Abstract The balloon-borne very long baseline interferometry (VLBI) experiment is a technical feasibility study for performing radio interferometry in the stratosphere. The flight model has been developed. A balloon-borne VLBI station will be launched to establish interferometric fringes with ground-based VLBI stations distributed over the Japanese islands at an observing frequency of approximately 20 GHz as the first step. This paper describes the system design and development of a series of observing instruments and bus systems. In addition to the advantages of avoiding the atmospheric effects of absorption and fluctuation in high frequency radio observation, the mobility of a station can improve the sampling coverage (“uv-coverage”) by increasing the number of baselines by the number of ground-based counterparts for each observation day. This benefit cannot be obtained with conventional arrays that solely comprise ground-based stations. The balloon-borne VLBI can contribute to a future progress of research fields such as black holes by direct imaging.


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    Titel :

    A balloon-borne very long baseline interferometry experiment in the stratosphere: Systems design and developments


    Beteiligte:
    Doi, Akihiro (Autor:in) / Kono, Yusuke (Autor:in) / Kimura, Kimihiro (Autor:in) / Nakahara, Satomi (Autor:in) / Oyama, Tomoaki (Autor:in) / Okada, Nozomi (Autor:in) / Satou, Yasutaka (Autor:in) / Yamashita, Kazuyoshi (Autor:in) / Matsumoto, Naoko (Autor:in) / Baba, Mitsuhisa (Autor:in)

    Erschienen in:

    Advances in Space Research ; 63 , 1 ; 779-793


    Erscheinungsdatum :

    2018-09-14


    Format / Umfang :

    15 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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