Commit b436790d authored by Leo Pound Singer's avatar Leo Pound Singer

Fix error in volume element for ligo-skymap-stats

parent 1429a6dd
......@@ -13,6 +13,9 @@ Changelog
- The ``bayestar-localize-lvalert`` and ``ligo-skymap-from-samples`` tools will
now natively output multi-resolution HEALPix files.
- Fix an error in the volume element that resulted in ``ligo-skymap-stats``
underestimating credible volumes by a factor of 2.
0.0.17 (2018-10-24)
===================
......
......@@ -228,7 +228,8 @@ def find_injection_moc(sky_map, true_ra=None, true_dec=None, true_dist=None,
# Calculate volume of frustum-shaped voxels with distance centered on r
# and extending from (r - d_r) to (r + d_r).
dV = (np.square(r) + np.square(d_r) / 12) * d_r * dA.reshape(-1, 1)
dV = (2 / 3 * (3 * np.square(r) + np.square(d_r))
* d_r * dA.reshape(-1, 1))
# Calculate probability within each voxel.
dP = probdensity.reshape(-1, 1) * dV * np.exp(
......
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