نتایج جستجو برای: gravitational wave
تعداد نتایج: 250460 فیلتر نتایج به سال:
The gravitational wave window onto the universe is expected to open in ~ 5 years, when ground-based detectors make the first detections in the high-frequency regime. Gravitational waves are ripples in spacetime produced by the motions of massive objects such as black holes and neutron stars. Since the universe is nearly transparent to gravitational waves, these signals carry direct information ...
Monitoring of vibrational eigenmodes an elastic body excited by gravitational waves was one the first concepts proposed for detection waves. At laboratory scale, these experiments became known as resonant-bar detectors developed Joseph Weber in 1960s. Due to dimensions bars, targeted signal frequencies were kHz range. also pointed out that monitoring vibrations Earth or Moon could reveal mHz ba...
It may be possible to construct a laser interferometer gravitational wave antenna in space with hrms ∼ 10 at f ∼ 0.1Hz in ∼ 2020. This deci hertz antenna may be called DECIGO/BBO, which stand for DECi hertz Interferometer Gravitational wave Observatory and Big Bang Observer, respectively. The analysis of 1-10 years observational data of the coalescing binary neutron stars or black holes at the ...
We present radio follow-up observations carried out with the Karl G. Jansky Very Large Array during the first observing run (O1) of the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO). A total of three gravitational wave triggers were followed up during the ≈ 4 months of O1, from September 2015 to January 2016. Two of these triggers, GW150914 and GW151226, are binary black h...
E Thrane LIGO Laboratory, California Institute of Technology, MS 100-36, Pasadena, CA, 91125, USA Abstract A common technique for detection of gravitational-wave signals is searching for excess power in frequency-time maps of gravitational-wave detector data. In the event of a detection, model selection and parameter estimation will be performed in order to explore the properties of the source....
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