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首页> 外文会议>International astronautical congress >ASTROPHYSICAL DATA ANALYSIS FOR THE DETECTION OF GRAVITATIONAL WAVES FROM INSPIRAL COMPACT BINARIES INJECTED IN LIGO'S FIFTH AND SIXTH SCIENCE RUNS
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ASTROPHYSICAL DATA ANALYSIS FOR THE DETECTION OF GRAVITATIONAL WAVES FROM INSPIRAL COMPACT BINARIES INJECTED IN LIGO'S FIFTH AND SIXTH SCIENCE RUNS

机译：从Ligo第五和第六次科学实验中注射的螺旋形紧凑双峰检测重力波的天体数据分析

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Gravitational Waves (GW), the ripples in the fabric of the space-time predicted one hundred years ago in the Einstein's General Theory of Relativity, have been finally detected. These gravity waves are emitted by massive astrophysical objects moving with violent accelerations and propagates at the speed of light. The tremendous effort of a great number of scientists has ended with the detection of a GW emitted 1.3 billion years ago by a binary system composed of two merging black holes of masses 36 and 29 the sun's mass possibly located in the Magellanic cloud. Detection of GW required the construction and calibration of a network of very sensible instruments designed to measure distance changes in the order of 1/1000th the diameter of a proton. These instruments are based on the L-shape laser Michelson interferometer. The most representative of these GW detectors is the two 4km-long-arms interferometers named Laser Interferometer Gravitational-wave Observatory (LIGO). This work presents an introduction to the fundamental theory of GW, the nature and characteristics of the different astrophysical sources of GW and describes the scientific and technological efforts developed to detect GWs using LIGO. Subsequently, the work focuses on the mathematical model of GW generated by inspiral compact binaries, a system composed of a pair of neutron stars and/or black holes in their late stage of evolution, and presents a comprehensive data analysis methodology developed to perform detection of the GW emitted by these astrophysical sources that are induced in intcrfcromctcr-bascd detector such as LIGO. Results of experiments performed to test and evaluate the detection of GW from inspiral compact binaries injected in LIGO's fifth and sixth science runs are presented and discussed.
机译：引力波（GW）是一百年前在爱因斯坦的相对论通论中预测的时空结构中的涟漪，最终被发现。这些引力波是由巨大的天体物体以剧烈的加速度运动而发射的，并以光速传播。大量科学家的巨大努力以发现由一个由两个合并的质量为36和29的黑洞组成的双星系统探测到13亿年前发射的GW结束，质量为36和29的太阳的质量可能位于麦哲伦星云中。 GW的检测需要构造和校准非常明智的仪器网络，该仪器旨在测量质子直径的1/1000量级的距离变化。这些仪器基于L型激光迈克尔逊干涉仪。这些GW探测器中最具代表性的是两个4公里长的臂式干涉仪，称为激光干涉仪引力波天文台（LIGO）。这项工作介绍了GW的基本理论，GW的不同天体来源的性质和特征，并介绍了为利用LIGO检测GW而开展的科学和技术努力。随后，研究工作重点关注了由吸气式紧凑型双星产生的GW的数学模型，这是由一对中子星和/或黑洞在其演化的后期阶段组成的系统，并提出了一种全面的数据分析方法论，其被开发用于对星体进行检测。这些天体来源发射的GW，这些天体是在基于内置探测器的探测器（如LIGO）中诱发的。提出并讨论了在LIGO的第五次和第六次科学实验中测试和评估从吸气紧凑型二进制文件中检测到GW的实验结果。

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