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Title: Search for HI Reionization Epoch in the Early Universe
Authors: Swarup, G
Keywords: GMRT;CMB;Reionization;RFI;HI;Early universe
Issue Date: 2003
Publisher: Astronomical Society of India
Citation: BASI, Vol. 31, No. 3&4, pp. 451 - 452
Abstract: One of the most challenging problems in astronomy today is to search for reionization of the neutral hydrogen (HI), which is expected to occur somewhere between redshifts of about 6 to 20. The reionization is likely to result in spatial and spectral fluctuations in emission and absorption in the redshifted 21cm radiation of several milli-Kelvin (mK) in the frequency range of about 100 to 200 MHz. Also there is expected to occur a gradual step of few mK in the global 21cm radiation. Here we discuss various search strategies.
Appears in Collections:BASI Publications

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