Image Details
Caption: Figure 3.
Frequency spectra for galaxy AGCNr 191363 in FATHOMER (left) and ALFALFA (middle). The right panel is the sky map in FATHOMER. The signal in ALFALFA is relatively weak, with S/N = 4.3. In FATHOMER, we get a higher S/N (S/N = 6.3) and confirm that this signal should be real.
© 2026. The Author(s). Published by the American Astronomical Society.