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Gravitationswellen

Was sagen beteiligte Wissenschaftler zur Entdeckung der Gravitationswellen?

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Dr. Thomas Dent (expert on: searches for compact binary coalescence signals, optimizing search methods to distinguish between signals and detector artefacts, estimating the rate of binary black hole mergers in the Universe based on the detection): „It was not so certain that we would make this detection! In the years leading up to the first Advanced LIGO run there were long debates about whether we should be searching for such massive black holes or not - would the detectors be able to produce good enough data that we could be certain about claiming a detection with such a short signal? Even in the summer of 2015 it looked like XXXXXXX“

Dr. Alexander Nitz (expert on: searches for compact binary coalescence signals, software which carried out the most sensitive search for GW150914 presented in the detection paper): „I never expected that we'd find anything this early on, and the signal was so loud that my first reaction was that it could not possibly be real. How glad I am to be wrong.“

Dr. Tito Dal Canton (expert on: searches for compact binary coalescence signals, software which carried out the most sensitive search for GW150914 presented in the detection paper): „Nature really surprised me with such a loud and high-mass signal so early in the advanced detector era. I can't wait to see the data from future scientific runs and I look forward to the detection of binaries containing neutron stars.“

Dr. Roland Haas (expert on: numerical-relativity modeling of compact-object binaries): „I was actually on vacation at the time of the detection, so when I returned to the Albert-Einstein Institute everybody was already hard at work analysing the data. What we had expected to be rare event turned out to have occured quite early on in LIGOs lifetime and we all focused on learning as much as we could from the event, doing work within weeks that we had not expected to attempt for months in the future.“

Dr. Ian Harry (expert on: searches for gravitational waves from coalescing compact objects, GW150914): „I've been working on searches for compact-object mergers since 2007. When I first saw this signal in the data I didn't believe it was real. We never expected the first event to be so loud and clear. As Advanced LIGO rapidly becomes more and more sensitive, we look forward to seeing the field of gravitational-wave astronomy bloom in the coming years.“

Dr. M. Alessandra Papa (expertise: data analysis in the low signal-to-noise ratio regime, gravitational wave searches): „The detection of GW150914 is exciting beyond words: GW150914 represents the first direct detection of gravitational waves, is the first direct messenger of the dynamics of space-time in the strong-field and high-velocity regime, and its signal is strong enough to make this a text-book example. It was an honour to be able to play a role in this historical result. In particular I chaired the committee that reviewed the generic transients search that identified GW150914 within three minutes of data acquisition and was part of the team of six people who functioned as editors of the detection paper.“

Dr. Vivien Raymond (expert on: follow-up analyses of coalescing compact objects, GW150914): „This is such an amazing start to what we call the "advanced detector era"! Before even starting, we made the most impressive discovery we could hope for.“

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