Author

D. Wulf

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Review Open access Sep 2026

Detection of the Cosmological 21 cm Signal in Autocorrelation at z ∼ 1 with the Canadian Hydrogen Intensity Mapping Experiment

We present the first detection of the cosmological 21 cm intensity mapping signal in autocorrelation at z ∼ 1 with the Canadian Hydrogen Intensity Mapping Experiment (CHIME). Using 94 nights of observation, we have measured the 21 cm auto power spectrum over a frequency range of 608.2–707.8 MHz (z = 1.34–1.01) at 0.4 h...

M. Amiri, K. Bandura, Arnab Chakraborty et al. · Astrophysical Journal · 3 citations

Preprint Oct 2026

Correlated Radio Frequency Interference Monitor for Radio Telescopes

Radio frequency interference (RFI) is one of the biggest challenges facing current radio astronomy experiments. Telescopes like the Canadian Hydrogen Observatory and Radio transient Detector (CHORD) need to accurately identify RFI to deliver on their science goals. For applications like HI intensity mapping for precisi...

L. Berkhout, I. Hendricksen, J. Montgomery et al. · 0 citations