Raghunathan, A. ; Patra, Nipanjana ; Udaya Shankar, N. ; Ekers, R. D. ; Subrahmanyan, Ravi (2011) Zero-spacing interferometer for measurement of continuum spectrum of the low radio frequency background In: 2011 XXXth URSI General Assembly and Scientific Symposium, 13-20 Aug. 2011, Istanbul, Turkey.
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Official URL: https://ieeexplore.ieee.org/document/6051278/
Related URL: http://dx.doi.org/10.1109/URSIGASS.2011.6051278
Abstract
We have developed an interferometer method for measurement of broad-band spectrum of the low radio frequency celestial radiation background, which is of importance in understanding the Epoch of Reionization, when the first stars and galaxies formed in the evolving universe. We have used two antennas in a short-spacing east-west interferometer mode, with a resistive semi-transparent screen in between. The system operates in the frequency range 87.5 to 175 MHz, suitable for probing the evolution in the state of the gas during cosmological epochs in the redshift range 7-15.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Source: | Copyright of this article belongs to Institute of Electrical and Electronics Engineers. |
| ID Code: | 114395 |
| Deposited On: | 22 May 2018 06:47 |
| Last Modified: | 22 May 2018 06:47 |
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