Upper Limits on the 21 cm Epoch of Reionization Power Spectrum from One Night with LOFAR

A. H. Patil; S. Yatawatta; L. V. E. Koopmans; A. G. de Bruyn; M. A. Brentjens; Saleem Zaroubi; K. M. B. Asad; M Hatef; Vibor Jelić; M. Mevius; A. R. Offringa; V. N. Pandey; H. K. Vedantham; F. B. Abdalla; W. N. Brouw; Emma Chapman; B. Ciardi; B. K. Gehlot; Abhik Ghosh; G. Harker; Ilian T. Iliev; Koki Kakiichi; Suman Majumdar; Garrelt Mellema; M. B. Silva; Joop Schaye; D. Vrbanec; Stefan J. Wijnholds

doi:10.3847/1538-4357/aa63e7

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Abstract

We present the first limits on the Epoch of Reionization 21 cm H I power spectra, in the redshift range z=7.9-10.6, using the Low-Frequency Array (LOFAR) High-Band Antenna (HBA). In total, 13.0 hr of data were used from observations centered on the North Celestial Pole. After subtraction of the sky model and the noise bias, we detect a non-zero 56 13 mK

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synapsesocial.com/papers/6a1d74a87f448865515e657a https://doi.org/10.3847/1538-4357/aa63e7

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Upper Limits on the 21 cm Epoch of Reionization Power Spectrum from One Night with LOFAR

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Upper Limits on the 21 cm Epoch of Reionization Power Spectrum from One Night with LOFAR

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