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20082026
most citedThe Carnegie-Chicago Hubble Program. I. An Independent Approach to the Extragalactic Distance Scale Using only Population II Distance Indicators

128 citations · 524 across the 23 of their papers we have counts for

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Showing 2012Show all

2 papers · 1 filter

astro-ph.SR2012★ 37 cited

WIYN Open Cluster Study : Wide-Field CCD Photometry of the Old Open Cluster NGC 6819

Soung-Chul Yang, Ata Sarajedini, Constantine P. Deliyannis +3

We present a comprehensive photometric study of the old open cluster, NGC 6819 using 1x1 degree field VI MOSAIC CCD imaging taken with the WIYN 0.9m telescope. The resultant color-…

astro-ph.GA2012★ 29 cited

An Ancient Metal-Poor Population in M32, and Halo Satellite Accretion in M31, Identified by RR Lyrae Stars

Ata Sarajedini, Soung-Chul Yang, Antonela Monachesi +2

We present time-series photometry of two fields near M32 using archival observations from ACS/WFC onboard HST. One field is centered about 2 arcmin from M32 while the other is loca…