2 papers
astro-ph.GA2026
Revisiting the distance and the globular cluster system of the remarkable galaxy UDG1 in the NGC 5846 group
Duncan A. Forbes, Bas van Heumen, Yimeng Tang
Two studies that utilised the same HST/WFC3 imaging of NGC5846_UDG1 have reported quite different total counts for its globular cluster (GC) system, i.e. 54 9 vs 33 3 G…
astro-ph.GA2025
A test of Ca ii H & K photometry for isolating massive globular clusters below the metallicity floor
Bas van Heumen, William E. Harris, Søren S. Larsen +1
The serendipitous discovery of the M31 globular cluster (GC) EXT8 has presented a significant challenge to current theories for GC formation. By finding other GCs similar to EXT8,…