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The Deepest HST Color-Magnitude Diagram of M32: Evidence for Intermediate-Age Populations
Antonela Monachesi, Scott C. Trager, Tod R. Lauer +4
We present the deepest optical color-magnitude diagram (CMD) to date of the local elliptical galaxy M32. We have obtained F435W and F555W photometry based on HST ACS/HRC images for…
The Black Hole Mass in Brightest Cluster Galaxy NGC 6086
Nicholas J. McConnell, Chung-Pei Ma, James R. Graham +4
We present the first direct measurement of the central black hole mass, M_BH, in NGC 6086, the Brightest Cluster Galaxy (BCG) in Abell 2162. Our investigation demonstrates for the…
Exploring the Spectral Space of Low Redshift QSOs
Todd A. Boroson, Tod R. Lauer
The Karhunen-Loeve (KL) transform can compactly represent the information contained in large, complex datasets, cleanly eliminating noise from the data and identifying elements of…