10 citations · 11 across the 6 of their papers we have counts for
3 papers · 1 filter
A Keck/Deimos Survey of Red Giant Branch Stars in the Outskirts of M31
Annette Ferguson, Scott Chapman, Rodrigo Ibata +3
We are using the DEIMOS multi-object spectrograph on the Keck II 10m telescope to conduct a spectroscopic survey of red giant branch stars in the outskirts of M31. To date, velocit…
Detecting compact dark matter in galaxy clusters via gravitational microlensing: A2218 & A370
Artem Tuntsov, Geraint Lewis, Rodrigo Ibata +1
After decades of searching, the true nature of dark matter still eludes us. One potential probe of the form of dark matter in galaxy clusters is to search for microlensing variabil…
HST Observations of the Main Sequence of M4
H. B. Richer, G. G. Fahlman, J. Brewer +8
This paper presents new results from a photometric study of the main-sequence stars in M4, the closest globular cluster to the sun. Multi-field, multi-epoch observations at approxi…