RUI: Studies of Gravitation, the Interstellar Medium, and Pulsars

芮：研究引力、星际介质和脉冲星。魏斯伯格博士将继续在三个领域进行研究。(1)第一颗双星脉冲星相对论引力的研究：对这颗脉冲星的连续观测将被用于研究引力辐射发射、大地自旋进动、G的不变性以及对广义相对论替代方案的限制。(2)脉冲星距离和星际介质的测量和分析；将测量21厘米脉冲星的吸收光谱。这些数据将被用来研究脉冲星的距离以及银河系中中性氢和自由电子的分布和密度。(3)脉冲星偏振和计时测量：将在阿雷西博天文台每隔三个月对120颗脉冲星进行偏振和计时测量。这些观测的结果将用于研究脉冲星发射机制、脉冲形态、毛刺、计时噪声和进动；并通过法拉第旋转测量，调查银河系磁场。该奖项是根据NSF的本科生机构研究(RUI)活动颁发的。

RUI: Studies of Gravitation, the Interstellar Medium, and Pulsars. Dr. Weisberg will continue investigations in three areas. (1) Studies of relativistic gravitation with the first binary pulsar: Continued observations of this pulsar will be used for investigation of gravitational radiation emission, geodetic spin precession, the constancy of G, and constraints on alternatives to general relativity. (2) Measurements and analyses of pulsar distances and the interstellar medium; 21-cm--pulsar absorption spectra will be measured. These data will be used to study pulsar distances and the neutral hydrogen and free electron distribution and density in the Galaxy. (3) A pulsar polarimetry and timing survey: Polarization and timing measurements will be made on 120 pulsars at three-month intervals at the Arecibo Observatory. The output of these observations will be used for studies of pulsar emission mechanisms, pulse morphology, glitches, timing noise, and precession; and, via Faraday rotation measurements, investigations of the galactic magnetic field. This award is made under the Research in Undergraduate Institutions (RUI) activity at the NSF.