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4 results for “post-merger”
Datasets for "Needle in a Bayes Stack: a Hierarchical Bayesian Method for Constraining the Neutron Star Equation of State with an Ensemble of Binary Neutron Star Post-merger Remnants"
<p>All data used for "Needle in a Bayes Stack: a Hierarchical Bayesian Method for Constraining the Neutron Star Equation of State with an Ensemble of Binary Neutron Star Post-merger Remnants", Criswell, A.W., et al. (2022). The code used to create the paper results from this data can be found at <a href="https://github.com/criswellalexander/hbpm_paper">https://github.com/criswellalexander/hbpm_paper</a> and the underlying software package can be found at <a href="https://github.com/criswellalexander/bayestack">https://github.com/criswellalexander/bayestack</a>.</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>
Multi-wavelength AGN Properties of Post-Merger Galaxies
<p>It’s well studied that galaxy mergers can have a profound impact on triggering both star formation and an Active Galactic Nucleus (AGN). The AGN is expected to quench star formation through “feedback” processes, by heating or expelling gas out of the galaxy, leaving behind a merger remnant. Unfortunately, confirming that mergers trigger AGN is observationally challenging, because AGN in different merger stages can have discrepant luminosities and lifetimes. In addition, a multi-wavelength approach is required to provide a complete census of AGN. Here I present results based on a volume limited (0.02<z<0.06, 10.5<logM<12.0), visually identified sample of post-merger galaxies from SDSS-DR14. I will describe the multi-wavelength AGN demographics of this sample using Chandra, XMM X-ray imaging, optical BPT diagnostics based on SDSS single-fiber spectra, WISE infrared color and VLA FIRST radio images. I will discuss plans to expand our analysis of the merger-AGN connection to post merger galaxies at higher redshift using the Nancy Grace Roman Space Telescope and other multi-wavelength data.</p>
Demographics of Galaxies in the Nearby Universe: A case study with AGN and post-mergers
<p>Here I present a volume limited catalog of ~113,600 visually classified galaxies from SDSS and the NOAO legacy survey. The classifications include identifications of bars, rings, spiral arms, tidal tails, etc. I compare my classifications to those from other crowd sourced surveys and machine learning based catalogs to verify classification accuracy. Using this catalog, I will show results on the systematics which affect quantitative/ML classifications and implications for the Nancy Grace Roman space telescope galaxy surveys. Time permitting I will discuss (a) bar fractions in the local Universe and role of close pair interactions in triggering bars (b) the role of mergers in triggering AGN and the frequency of dual AGN in the local Universe.</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.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.