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Showing 2013 · astro-ph.GAShow all
3 papers · 2 filters
astro-ph.GA2013★ 23 cited
Towards a better understanding of the distance scale from RR Lyrae variable stars: A case study for the inner halo globular cluster NGC 6723
Jae-Woo Lee, Mercedes Lopez-Morales, Kyeong-Soo Hong +3
We present BV photometry for 54 variables in the metal-rich inner halo globular cluster NGC6723. With the discovery of new RR Lyrae variables (RRLs), we obtain <P_ab> = 0.541 +/- 0…
astro-ph.GA2013★ 7 cited
A Universal Power-law Profile of Pseudo-Phase-Space Density-like Quantities in Elliptical Galaxies
Kyu-Hyun Chae
We study profiles of mass density, velocity dispersion (VD), and their combination using nearly spherical and rotation-free SDSS galaxies. For observational stellar mas…
astro-ph.GA2013★ 27 cited
X-ray Detections of Sub-millimetre Galaxies: Active Galactic Nuclei Versus Starburst Contribution
Seth P. Johnson, Grant W. Wilson, Danial Q. Wang +14
We present a large-scale study of the X-ray properties and near-IR-to-radio SEDs of submillimetre galaxies (SMGs) detected at 1.1mm with the AzTEC instrument across a ~1.2 square d…