Observations explore Centaurus A’s halo

Archival optical image (at 468 nm wavelength) of NGC 5128 taken with the UK Schmidt telescope superimposed on the location of the two fields studied. The red cross indicates the center of NGC 5128. The red circles represent the locations of LPVs selected from the ISAAC Ks-band data. Credit: Aghdam et al., 2024. Using the … Read more