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3 results for “GW170817”
Hubble's Constant with GW170817 Standard Siren and GW190814 Dark Siren
<p>The local universe expansion rate is one of the most fundamental and essential cosmological parameters. This value which is known by the name of Hubble’s Constant is scientifically measured by electromagnetic sources called distance ladder. Surprisingly, using Gravitational Wave (GW) analysis this value can be measured making GW sources another significant method to act as standard sirens with their electromagnetic counterparts from their host galaxy. The gravitational wave event GW 170817 was the outcome of the merger of two different neutron stars. The electromagnetic event was recorded from the host galaxy NGC4993. The GW170817 has been a considerable success in this direction measuring the value of universe acceleration H0 = 70.0+12.0 −8.0 kms−1 Mpc−1. Another event in this series GW190817 is Compact Binary Coalescence involving a 22.2 – 24.3 The EM counterpart of this event is unknown so far and hence the event is named Dark Siren.The Hubble’s value proposed with this even is close to H0 = 75+59 −13 km s−1Mpc−1 .The source GW190814 which involves a massive black hole and the other compact object as the lightest black hole or the heaviest neutron star was localized to 18.5 deg2 at a distance of Mpc.</p>
Analysis code and data for "End-to-end study of the host galaxy and genealogy of GW170817 with BPASS"
<p>This folder contains the code and data required to reproduce all figures and values presented in the study titled "End-to-end study of the host galaxy and genealogy of GW170817 with BPASS". </p> <p>The running of the data analysis jupyter notebooks will require the installation of the python package "hoki" v1.7 and the download of the BPASS models that are already publically available. The README.md file contains all the information regarding the dependencies of this directory. </p> <p>Should you need assistance please email hfstevance@gmail.com</p>
Time-slide correlation analysis of post-merger Extended Emission to GW170817
<p>Nico van Kampen Colloquium, ITP, Utrecht (October 23 2019, https://zenodo.org/record/3528005) - Movie clip. Shown is the result of $\chi$-image analysis of merged (H1,L1)-spectrograms produced in time-slide correlation analysis of H1-L1 data of GW170817. Time-sliding over -32s $\le \Delta t \le 32$s, including one-sample steps around the zero-crossing $\Delta t = 0$, reveals clustering of $\chi$-peak values representing a correlated (H1,L1)-detector response to a gravitational-wave signal.</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.