Galactic Cosmic Ray Origins and OB Associations: Evidence from SuperTIGER Observations of Elements $_{26}$Fe through $_{40}$Zr
R. P. Murphy, M. Sasaki, W. R. Binns, T. J. Brandt, T. Hams, M. H. Israel, A. W. Labrador, J. T. Link, R. A. Mewaldt, J. W. Mitchell, B. F. Rauch, K. Sakai, E. … 展开作者
R. P. Murphy, M. Sasaki, W. R. Binns, T. J. Brandt, T. Hams, M. H. Israel, A. W. Labrador, J. T. Link, R. A. Mewaldt, J. W. Mitchell, B. F. Rauch, K. Sakai, E. C. Stone, C. J. Waddington, N. E. Walsh, J. E. Ward, M. E. Wiedenbeck
We report abundances of elements from $_{26}$Fe to $_{40}$Zr in the cosmic radiation measured by the SuperTIGER (Trans-Iron Galactic Element Recorder) instrument during 55 days of exposure on a long-duration balloon flight over Antarctica. These observations resolve elemental abundances in this charge range with single-element resolution and good statistics.
These results support a model of cosmic-ray origin in which the source material consists of a mixture of 19$^{+11}_{-6}$\% material from massive stars and $\sim$81\% normal interstellar medium (ISM) material with solar system abundances. The results also show a preferential acceleration of refractory elements (found in interstellar dust grains) by a factor of $\sim$4 over volatile elements (found in interstellar gas) ordered by atomic mass (A). Both the refractory and volatile elements show a mass-dependent enhancement with similar slopes.
A Census of Pulsars in Possible Association with Galactic Open Clusters
School of Physics and Technology, Wuhan University（武汉大学物理科学与技术学院）；Department of Physics, Faculty of Arts and Sciences, Beijing Normal University（北京师范大学文理学院物理系）；Advanced Institute of Natural Sciences, Beijing Normal University（北京师范大学前沿科学中心）；Institute for Gravitational Wave Astronomy, Henan Academy of Sciences（河南省科学院引力波天文研究院）；Shanghai Astronomical Observatory, Chinese Academy of Sciences（中国科学院上海天文台）；Institute for Frontier in Astronomy and Astrophysics, Beijing Normal University（北京师范大学天文与空间科学学院）
Associating binary black holes with galactic centres using lensed gravitational waves
The Chinese University of Hong Kong（香港中文大学）；Kapteyn Astronomical Institute, University of Groningen（格罗宁根大学卡普坦天文研究所）；University of Portsmouth（朴茨茅斯大学）；Royal Observatory of Belgium（比利时皇家天文台）
1FLAT: a Firmamento-based catalog of AGN in Fermi-LAT high Galactic latitude γ-ray sources
New York University-Abu Dhabi（阿布扎比纽约大学）；INAF, Brera Astronomical Observatory（国家天体物理研究所，布雷拉天文台）；University of Padova（帕多瓦大学）；Istituto Nazionale Fisica Nucleare (INFN), Sezione di Padova（意大利国家核物理研究所，帕多瓦分部）；Centro Brasileiro de Pesquisas Fı́sicas（巴西物理研究中心）；University of Pisa（比萨大学）；SDA Bocconi（博科尼可持续发展管理学院）；Technical University of Munich（慕尼黑工业大学）；Ca’ Foscari University of Venice（威尼斯卡福斯卡里大学）；ICRANet-Armenia（国际相对论天体物理中心网络亚美尼亚分部）
