2 papers
astro-ph.CO2026
Accessing the homogeneity scale with 21 cm intensity mapping surveys
Bruno B. Bizarria, Camila P. Novaes, Felipe Avila +4
The homogeneity scale, , offers a fundamental test of the Cosmological Principle, yet it has not yet been measured with 21cm intensity mapping surveys. A key limitation…
astro-ph.CO2025
Detectability of the 21 cm signal with BINGO through cross-correlation with photometric surveys
Gabriel A. S. Silva, Camila P. Novaes, Carlos A. Wuensche +11
21 cm intensity mapping (HI IM) can efficiently map large cosmic volumes with good redshift resolution, but systematics and foreground contamination pose major challenges for extra…