COFFE: a code for the full-sky relativistic galaxy correlation function - INSPIRE

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COFFE: a code for the full-sky relativistic galaxy correlation function

Jun 28, 2018

Published in:

JCAP 10 (2018) 032

Published: Oct 18, 2018

e-Print:

1806.11090 [astro-ph.CO]

DOI:

10.1088/1475-7516/2018/10/032

View in:

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Abstract: (arXiv)

We present a public version of the code COFFE (COrrelation Function Full-sky Estimator) available at https://github.com/JCGoran/coffe. The code computes the galaxy two-point correlation function and its multipoles in linear perturbation theory, including all relativistic and wide angle corrections. COFFE also calculates the covariance matrix for two physically relevant estimators of the correlation function multipoles. We illustrate the usefulness of our code by a simple but relevant example: a forecast of the detectability of the lensing signal in the multipoles of the two-point function. In particular, we show that lensing should be detectable in the multipoles of the two-point function, with a signal-to-noise larger than 10, in future surveys like Euclid or the SKA.

Note:

Code available at https://github.com/JCGoran/coffe

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