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Associations of Dwarf Galaxies
R B Tully, L Rizzi, A E Dolphin +6
Hubble Space Telescope Advanced Cameras for Surveys has been used to determine accurate distances for 20 galaxies from measurements of the luminosity of the brightest red giant bra…
Tip of the Red Giant Branch Distances. I. Optimization of a Maximum Likelihood Algorithm
Dmitry Makarov, Lidia Makarova, Luca Rizzi +4
Accurate distances to galaxies can be determined from the luminosities of stars at the Tip of the Red Giant Branch (TRGB). We use a Maximum Likelihood algorithm to locate the TRGB…
The Hubble flow around the CenA / M83 galaxy complex
Igor D Karachentsev, R Brent Tully, A Dolphin +8
We present HST/ACS images and color-magnitude diagrams for 24 nearby galaxies in and near the constellation of Centaurus with radial velocities V_LG < 550 km/s. Distances are deter…