Abstract

We measured the trigonometric annual parallax of an H$_2$O maser source associated with the massive star-forming region IRAS 06061$+$2151 with VERA. The annual parallax of 0.496$\ \pm\ $0.031 mas, corresponding to a distance of 2.02$^{+0.13}_{\-0.12}\ $kpc, was obtained by 10 epochs of observations during the period from 2007 October to 2009 September. This distance was obtained more accurately than the photometric one previously measured, and places IRAS 06061$+$2151 in the Perseus spiral arm. We found that IRAS 06061$+$2151 also has a peculiar motion of larger than 15 km s$^{-1}$ which is counter to the Galactic rotation. This is similar to the motions of five sources in the Perseus spiral arm, whose parallaxes and proper motions have already been measured with satisfactory accuracy. Moreover, these sources move with an average of 27 km s$^{-1}$ toward the Galactic center and counter to the Galactic rotation.

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