Zobrazeno 1 - 10
of 171
pro vyhledávání: '"Sreekumar T"'
Autor:
Elena Sellentin, Arthur Loureiro, Lorne Whiteway, Javier S. Lafaurie, Sreekumar T. Balan, Malak Olamaie, Andrew H. Jaffe, Alan F. Heavens
Publikováno v:
The Open Journal of Astrophysics, Vol 6 (2023)
Inference in cosmology often starts with noisy observations of random fields on the celestial sphere, such as maps of the microwave background radiation, continuous maps of cosmic structure in different wavelengths, or maps of point tracers of the co
Externí odkaz:
https://doaj.org/article/a44a258935e7499583141676069bacb3
Akademický článek
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Autor:
Loureiro, Arthur, Cuceu, Andrei, Abdalla, Filipe B., Moraes, Bruno, Whiteway, Lorne, McLeod, Michael, Balan, Sreekumar T., Lahav, Ofer, Benoit-Lévy, Aurélien, Manera, Marc, Rollins, Richard P., Xavier, Henrique S.
Publikováno v:
Phys. Rev. Lett. 123, 081301 (2019)
We investigate the impact of prior models on the upper bound of the sum of neutrino masses, $\sum m_{\nu}$. We use data from Large Scale Structure of galaxies, Cosmic Microwave Background, Type Ia SuperNovae, and Big Bang Nucleosynthesis. We probe ph
Externí odkaz:
http://arxiv.org/abs/1811.02578
Autor:
Loureiro, Arthur, Moraes, Bruno, Abdalla, Filipe B., Cuceu, Andrei, McLeod, Michael, Whiteway, Lorne, Balan, Sreekumar T., Benoit-Lévy, Aurélien, Lahav, Ofer, Manera, Marc, Rollins, Richard, Xavier, Henrique S.
Publikováno v:
Monthly Notices of the Royal Astronomical Society (2019) 485, 326
We constrain cosmological parameters by analysing the angular power spectra of the Baryon Oscillation Spectroscopic Survey DR12 galaxies, a spectroscopic follow-up of around 1.3 million SDSS galaxies over 9,376 deg$^2$ with an effective volume of $\s
Externí odkaz:
http://arxiv.org/abs/1809.07204
Publikováno v:
Indian Journal of Animal Research. Aug2023, Vol. 57 Issue 8, p1002-1006. 5p.
We present a method of calibrating the properties of photometric redshift bins as part of a larger Markov Chain Monte Carlo (MCMC) analysis for the inference of cosmological parameters. The redshift bins are characterised by their mean and variance,
Externí odkaz:
http://arxiv.org/abs/1612.00307
Publikováno v:
Journal of Veterinary & Animal Sciences; 2024, Vol. 55 Issue 3, p542-546, 5p
Autor:
Lentati, Lindley, Alexander, Paul, Hobson, Michael P., Taylor, Stephen, Gair, Jonathon, Balan, Sreekumar T., van Haasteren, Rutger
Publikováno v:
Physical Review D, vol. 87, Issue 10, id. 104021 05/2013
A new model independent method is presented for the analysis of pulsar timing data and the estimation of the spectral properties of an isotropic gravitational wave background (GWB). We show that by rephrasing the likelihood we are able to eliminate t
Externí odkaz:
http://arxiv.org/abs/1210.3578