564 citations · 2k across the 19 of their papers we have counts for
3 papers · 2 filters
Short-Period Variable Stars in the M31 Halo
A. E. Dolphin, A. Saha, E. W. Olszewski +4
We report the findings of a new search for RR Lyraes in an M31 halo field located 40 arcminutes from the nucleus of the galaxy along the minor axis. We detected 37 variable stars,…
Deep Hubble Space Telescope Imaging of IC 1613 II. The Star Formation History
Evan D. Skillman, Eline Tolstoy, Andrew A. Cole +5
We present deep HST WFPC2 imaging of the Local Group dwarf irregular galaxy IC 1613. The photometry is the deepest to date for an isolated dwarf irregular galaxy. The resulting col…
Deep HST Imaging of Sextans A. III. The Star Formation History
Andrew E. Dolphin, A. Saha, Evan D. Skillman +6
We present a measurement of the star formation history of Sextans A, based on WFPC2 photometry that is 50% complete to V=27.5 (M_V ~+ 1.9) and I=27.0. The star formation history an…