THE EFFECTS OF THE IONOSPHERE ON GROUND-BASED DETECTION OF THE GLOBAL 21 cm SIGNAL FROM THE COSMIC DAWN AND THE DARK AGES

ABSTRACT Detection of the global H i 21 cm signal from the Cosmic Dawn and the Epoch of Reionization is the key science driver for several ongoing ground-based and future ground-/space-based experiments. The crucial spectral features in the global 21 cm signal (turning points) occur at low radio fre...

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Veröffentlicht in:	The Astrophysical journal 2016-11, Vol.831 (1), p.6
Hauptverfasser:	Datta, Abhirup, Bradley, Richard, Burns, Jack O., Harker, Geraint, Komjathy, Attila, Lazio, T. Joseph W.
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION Astrophysics ASTROPHYSICS, COSMOLOGY AND ASTRONOMY atmospheric effects CALIBRATION Corruption cosmology: dark ages, reionization, first stars DISTURBANCES EMISSION Flicker Global positioning systems GPS Ground-based observation INTERFERENCE Ionization IONOSPHERE Ionospheric electron content Ionospheric measurements Ionospheric soundings LF radio methods: observational NOISE Radio frequency interference Radio observation Radio signals RADIOWAVE RADIATION REFRACTION RIOMETERS Satellite navigation systems SOLAR ACTIVITY SOUND WAVES SPACE STARS STELLAR ATMOSPHERES Thermal emission Variation
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