K
K. Hachisuka
Researcher at Shanghai Astronomical Observatory
Publications - 13
Citations - 2559
K. Hachisuka is an academic researcher from Shanghai Astronomical Observatory. The author has contributed to research in topics: Milky Way & Very-long-baseline interferometry. The author has an hindex of 7, co-authored 12 publications receiving 2505 citations. Previous affiliations of K. Hachisuka include Yamaguchi University.
Papers
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Journal ArticleDOI
Trigonometric parallaxes of massive star-forming regions. vi. galactic structure, fundamental parameters, and noncircular motions
Mark J. Reid,Karl M. Menten,X. W. Zheng,Andreas Brunthaler,Luca Moscadelli,Y. Xu,Y. Xu,Bing Zhang,M. Sato,Mareki Honma,Tomoya Hirota,K. Hachisuka,Y. K. Choi,G. A. Moellenbrock,Anna Bartkiewicz +14 more
TL;DR: In this article, the authors used the Very Long Baseline Array and the Japanese VLBI Exploration of Radio Astronomy project to measure trigonometric parallaxes and proper motions of masers found in high-mass star-forming regions across the Milky Way.
Journal ArticleDOI
Trigonometric Parallaxes of Massive Star Forming Regions: VI. Galactic Structure, Fundamental Parameters and Non-Circular Motions
M. J. Reid,Karl M. Menten,Xingwu Zheng,Andreas Brunthaler,L. Moscadelli,Y. Xu,Bo Zhang,Mayumi Sato,Mareki Honma,Tomoya Hirota,K. Hachisuka,Y. K. Choi,G. A. Moellenbrock,Anna Bartkiewicz +13 more
TL;DR: In this paper, the authors used the VLBA and the Japanese VERA project to measure trigonometric parallaxes and proper motions of masers found in high-mass star-forming regions across the Milky Way.
Journal ArticleDOI
The Bar and Spiral Structure Legacy (BeSSeL) survey: Mapping the Milky Way with VLBI astrometry†
Andreas Brunthaler,Mark J. Reid,K. M. Menten,Xingwu Zheng,Anna Bartkiewicz,Y. K. Choi,Thomas M. Dame,K. Hachisuka,K. Immer,K. Immer,G. A. Moellenbrock,Luca Moscadelli,K. L. J. Rygl,K. L. J. Rygl,Alberto Sanna,Mayumi Sato,Yuanwei Wu,Ye Xu,B. Zhang +18 more
TL;DR: In this article, the authors present an update on the first results, implementing a recent change in the knowledge about the Solar motion, and give an outlook to future observations in the Bar and Spiral Structure Legacy (BeSSeL) survey.
Journal ArticleDOI
FIRST PARALLAX MEASUREMENTS TOWARD A 6.7 GHz METHANOL MASER WITH THE AUSTRALIAN LONG BASELINE ARRAY-DISTANCE TO G 339.884-1.259
V. Krishnan,V. Krishnan,Simon Ellingsen,Mark J. Reid,Andreas Brunthaler,Alberto Sanna,Jamie McCallum,C. S. Reynolds,Hayley Bignall,Chris Phillips,Richard Dodson,Maria Rioja,J. L. Caswell,Xi Chen,Joanne Dawson,Joanne Dawson,Kenta Fujisawa,Sharmila Goedhart,J. A. Green,K. Hachisuka,K. Hachisuka,Mareki Honma,Karl M. Menten,Zhi-Qiang Shen,Maxim Voronkov,Andrew Walsh,Y. Xu,B. Zhang,X. W. Zheng +28 more
TL;DR: In this article, the first parallax and proper motion measurements of 6.7 GHz methanol maser emission using the Australian Long Baseline Array were conducted, and it was shown from the Lyman continuum photon flux that the embedded core of the young star is of spectral type B1.
Journal ArticleDOI
First Parallax Measurements Towards a 6.7 GHz Methanol Maser with the Australian Long Baseline Array - Distance to G339.884-1.259
V. Krishnan,Simon Ellingsen,M. J. Reid,Andreas Brunthaler,Andrea Sanna,Jamie McCallum,C. S. Reynolds,Hayley Bignall,Chris Phillips,Richard Dodson,Maria Rioja,J. L. Caswell,Xianming Chen,Joanne Dawson,Kenta Fujisawa,Sharmila Goedhart,J. A. Green,K. Hachisuka,Mareki Honma,Karl M. Menten,Zhi-Qiang Shen,Maxim Voronkov,Andrew Walsh,Y. Xu,Bo Zhang,Xingwu Zheng +25 more
TL;DR: In this paper, the first parallax and proper motion measurements of 6.7 GHz methanol maser emission using the Australian Long Baseline Array (LBA) were conducted.