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Localization of gravitational-wave transients. Mirror ofhttps://git.ligo.org/lscsoft/ligo.skymap
lpsinger/ligo.skymap
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The ligo.skymap package provides tools for reading, writing, generating, andvisualizing gravitational-wave probability maps from LIGO, Virgo, and KAGRA.Some of the key features of this package are:
- Command line tool bayestar-localize-coincs andbayestar-localize-lvalert: BAYESTAR, providing rapid, coherent, Bayesian,3D position reconstruction for compact binary coalescence events
- Command line tool ligo-skymap-from-samples: Create 3D sky maps fromposterior sample chains using kernel density estimation
- Command line tool ligo-skymap-plot: An everyday tool for plottingHEALPix maps
- Module ligo.skymap.plot: Astronomical mapmaking tools forperfectionists and figure connoisseurs
To get started, see theinstallation instructions or thefulldocumentation.
This illustration of the position of GW170817, prepared using ligo.skymap,illustrates the main features of this package: rapid localization of compactbinaries with BAYESTAR[1], three-dimensional density estimation[2][3], cross-matching withgalaxy catalogs, and visualization of gravitational-wave sky maps.Reproduced from[4].
| [1] | Singer, L. P., & Price, L. R. 2016,Phys. Rev. D, 93, 024013.https://doi.org/10.1103/PhysRevD.93.024013 |
| [2] | Singer, L. P., Chen, H.-Y., Holz, D. E., et al. 2016,Astropys. J. Lett.,829, L15.https://doi.org/10.3847/2041-8205/829/1/L15 |
| [3] | Singer, L. P., Chen, H.-Y., Holz, D. E., et al. 2016,Astropys. J. Supp.,226, 10.https://doi.org/10.3847/0067-0049/226/1/10 |
| [4] | Kasliwal, M. M., Nakar, E., Singer, L. P. et al. 2019,Science, 358, 1559.https://doi.org/10.1126/science.aap9455 |
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Localization of gravitational-wave transients. Mirror ofhttps://git.ligo.org/lscsoft/ligo.skymap