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Tools for reading, writing, manipulating, and making LIGO and Virgo sky maps

Project description

The ligo.skymap package provides tools for reading, writing, generating, and visualizing gravitational-wave probability maps from LIGO and Virgo. Some of the key features of this package are:

To get started, see the installation instructions or the full documentation.

GW170817 localization

This illustration of the position of GW170817, prepared using ligo.skymap, illustrates the main features of this package: rapid localization of compact binaries with BAYESTAR [1], three-dimensional density estimation [2] [3], cross-matching with galaxy 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://10.1126/science.aap9455

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