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Paper: Maser Astrometry with VERA and VSOP-2
Volume: 402, Approaching Micro-Arcsecond Resolution with VSOP-2: Astrophysics and Technologies
Page: 460
Authors: Honma, M.; Bushimata, T.; Choi, Y.K.; Hirota, T.; Imai, H.; Iwadate, K.; Jike, T.; Kameno, S.; Kameya, O.; Kamohara, R.; Kawaguchi, N.; Kijima, M.; Kim, M.; Kobayashi, H.; Kuji, S.; Kurayama, T.; Manabe, S.; Matsui, M.; Matsumoto, N.; Miyaji, T.; Nagayama, T.; Nakagawa, A.; Nakamura, K.; Oh, C.S.; Omodaka, T.; Oyama, T.; Sakai, S.; Sato, K.; Sato, M.; Sasao, T.; Shibata, K.M.; Tamura, Y.; Yamashita, K.
Abstract: We present recent results of maser astrometry obtained with VERA (VLBI Exploration of Radio Astrometry), which is a Japanese VLBI array dedicated to phase-referencing astrometry to explore the 3-D structure of the Milky Way Galaxy. Since 2004 we have been conducting regular monitoring of maser sources with VERA, and we have already detected parallaxes for several sources, ranging from a few 100 pc to 5 kpc. These results include mea- surements for Galactic star-forming regions such as ORI-KL, S269, NGC 281 as well as those for late type stars such as VY CMa. We also discuss the VERA—VSOP-2 connection in the near future, and propose astrometric observations with VSOP-2.
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