Chow, JongChua, SheonInta, RaMcClelland, DavidMiller, JohnMow-Lowry, CNguyen, ThanhScott, Susan MShaddock, DanielSlagmolen, BramStochino, AlbertoWade, AndrewWard, RobertWoan, GTorrie, CalumUnnikrishnan, C SVeitch, Peter JohnVyachanin, SKalogera, VWaldman, Sam JWhitcomb, Stanley ErnestAllen, BCreighton, J D EAbbott, TAcernese, FBartos, IBasti, ABeker, M GBertolini, ABeyersdorf, P TBilenko, I ABlom, MBose, SBraginsky, VBrau, J EBulten, H.J.Byer, Robert LCharlton, PhilipCoward, DDhurandhar, SDumas, J-CFactourovich, MFairhurst, SFinn, LeeFrei, ZGehrels, NGenin, EGiaime, JGreenhalgh, R. J. S.Gustafson, RHammer, DHosken, DaveHowell, EKawabe, KeitaLandry, MMandic, V.Meadors, G.D.Melatos, AndrewMendell, GMitrofanov, V POttaway, D JOwen, BenjaminPenn, SRajalakshmi, GReed, C MReitze, DRiles, KSammut, LSathyaprakash, BSaulson, PSchofield, RSchwinberg, PSengupta, Anand SSigg, DSintes, ASouradeep, TStaley, AStrigin, SSummerscales, T.Z.Susmithan, SVan Den Brand, J.Vinet, J-YVorvick, CWaldman, SWen, LWhiting, B F2015-12-132015-12-131550-7998http://hdl.handle.net/1885/75631We present the results of a directed search for continuous gravitational waves from unknown, isolated neutron stars in the Galactic center region, performed on two years of data from LIGO's fifth science run from two LIGO detectors. The search uses a semi201310.1103/PhysRevD.88.1020022015-12-11