Spectral and Timing Analysis of the Accretion-powered Pulsar 4U 1626-67 Observed with Suzaku and NuSTAR (2019) Iwakiri WB, Pottschmidt K, Falkner S, Hemphill PB, Furst F, Nishimura O, Schwarm FW, et al. Journal article Public Release of RELXILL_NK: A Relativistic Reflection Model for Testing Einstein's Gravity (2019) Abdikamalov AB, Ayzenberg D, Bambi C, Dauser T, Garcia J, Nampalliwar S Journal article A Decade of Gamma-Ray Bursts Observed by Fermi-LAT: The Second GRB Catalog (2019) Ajello M, Arimoto M, Axelsson M, Baldini L, Barbiellini G, Bastieri D, Bellazzini R, et al. Journal article Possible Evidence for Cosmic-Ray Acceleration in the Type Ia SNR RCW 86: Spatial Correlation between TeV Gamma-Rays and Interstellar Atomic Protons (2019) Sano H, Rowell G, Reynoso EM, Jung-Richardt I, Yamane Y, Nagaya T, Yoshiike S, et al. Journal article Observing the Transient Pulsations of SMC X-1 with NuSTAR (2019) Pike SN, Harrison FA, Bachetti M, Brumback MC, Furst FS, Madsen KK, Pottschmidt K, et al. Journal article Toward Precision Tests of General Relativity with Black Hole X-Ray Reflection Spectroscopy (2019) Tripathi A, Nampalliwar S, Abdikamalov AB, Ayzenberg D, Bambi C, Dauser T, Garcia J, Marinucci A Journal article About the Kerr Nature of the Stellar-mass Black Hole in GRS 1915+105 (2019) Zhang Y, Abdikamalov AB, Ayzenberg D, Bambi C, Dauser T, Garcia J, Nampalliwar S Journal article Constraints on the Spacetime Metric around Seven "Bare" AGNs Using X-Ray Reflection Spectroscopy (2019) Tripathi A, Yan J, Yang Y, Yan Y, Garnham M, Yao Y, Li S, et al. Journal article Chandra-HETGS Characterization of an Outflowing Wind in the Accreting Millisecond Pulsar IGR J17591-2342 (2019) Nowak MA, Paizis A, Jaisawal GK, Chenevez J, Chaty S, Fortin F, Rodriguez J, Wilms J Journal article The First NuSTAR Observation of 4U 1538-522: Updated Orbital Ephemeris and a Strengthened Case for an Evolving Cyclotron Line Energy (2019) Hemphill PB, Rothschild RE, Cheatham DM, Furst F, Kretschmar P, Kühnel M, Pottschmidt K, et al. Journal article