A METHOD TO EXTRACT THE ANGULAR POWER SPECTRUM OF THE EPOCH OF REIONIZATION FROM LOW-FREQUENCY RADIO INTERFEROMETERS

The redshifted 21 cm signal of neutral hydrogen from the epoch of reionization (EoR) is extremely weak and its first detection is therefore expected to be statistical with first-generation low-frequency radio interferometers. In this Letter, we propose a method to extract the angular power spectrum...

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Veröffentlicht in:	Astrophysical journal. Letters 2012-10, Vol.758 (1), p.1-5
Hauptverfasser:	Zheng, Qian, Wu, Xiang-Ping, Gu, Jun-Hua, Wang, Jingying, XU, HAIGUANG
Format:	Artikel
Sprache:	eng
Schlagworte:	ALGORITHMS ANTENNAS Arrays ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Beams (radiation) Computer simulation Correlation coefficients CORRELATIONS COSMOLOGY DATA ANALYSIS Gain HYDROGEN INTERFEROMETERS IONIZATION MHZ RANGE MILKY WAY Radio interferometers RED SHIFT SPECTRA VISIBILITY
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