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Paper: Dual-Beam Phase Referencing with VERA
Volume: 340, Future Directions in High Resolution Astronomy: The 10th Anniversary of the VLBA
Page: 569
Authors: Honma, M.; Bushimata, T.; Fujii, T.; Hirota, T.; Horiai, K.; Ishitsuka, H.; Iwadate, K.; Jike, T.; Kameya, O.; Kamohara, R.; Kan-ya, Y.; Kawaguchi, N.; Kobayashi, H.; Kuji, S.; Kurayama, T.; Manabe, S.; Miyaji, T.; Nakagawa, A.; Nakashima, K.; Omodaka, T.; Oyama, T.; Rioja, M.; Sakai, S.; Sakakibara, S.; Sato, K.; Sasao, T.; Shibata, K.M.; Shimizu, R.; Suda, H.; Tamura, Y.
Abstract: We present the recent results of phase-referencing observations with VERA's dual-beam system. Since the first fringe detection with the dual-beam system in May 2002, several observations have been made to check the system performance and in particular to test how the VERA's dual-beam system works in phase-referencing observation. Among these observations, we mainly focus on the observations of a pair of strong maser sources W49N and OH43.8-0.1, and discuss the phase-referencing capability as well as potential astrometric accuracy of VERA.
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