00570nas a2200229   4500000000100000000000100001008004100002100002000043700001500063700001500078700001300093700001200106700001700118700001400135700001200149700001500161700001300176700001900189245011300208300001200321490000700333       2015                            d1 aS. Sawada-Satoh1 aK. Akiyama1 aK. Niinuma1 aH. Nagai1 aM. Kino1 aF. D'Ammando1 aS. Koyama1 aK. Hada1 aM. Orienti1 aM. Honma1 aK. M. Shibata00aApparent Inward Motion of the Parsec-Scale Jet in the BL Lac Object OJ287 during the 2011-2012 γ-ray Flares  a429-4320 v30