Update on the BINGO 21cm intensity mapping experiment

Understand

21cm intensity mapping is a novel approach aimed at measuring the power spectrum of density fluctuations and deducing cosmological information, notably from the Baryonic Acoustic Oscillations (BAO).

• We give an update on the progress of BAO from Integrated Neutral Gas Observations (BINGO) which is a single dish intensity mapping project.
• First we explain the basic ideas behind intensity mapping concept before updating the instrument design for BINGO.
• We also outline the survey we plan to make and its projected science output including estimates of cosmological parameters.