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Chandra Observations of Nuclear X-ray Emission from Low Surface Brightness Galaxies
M. Das, C. S. Reynolds, S. N. Vogel +2
We present Chandra detections of x-ray emission from the AGN in two giant Low Surface Brightness (LSB) galaxies, UGC 2936 and UGC 1455. Their x-ray luminosities are 1.8\times10^{42…
Contradiction between strong lensing statistics and a feedback solution to the cusp/core problem
Da-Ming Chen, Stacy McGaugh
Standard cosmology has many successes on large scales, but faces some fundamental difficulties on small, galactic scales. One such difficulty is the cusp/core problem. High resolut…
Milky Way Mass Models and MOND
Stacy McGaugh
Using the Tuorla-Heidelberg model for the mass distribution of the Milky Way, I determine the rotation curve predicted by MOND. The result is in good agreement with the observed te…
Mass Models for Low Surface Brightness Galaxies with High Resolution Optical Velocity Fields
Rachel Kuzio de Naray, Stacy S. McGaugh, W. J. G. de Blok
We present high-resolution optical velocity fields from DensePak integral field spectroscopy, along with derived rotation curves, for a sample of low surface brightness galaxies. I…
The halo by halo missing baryon problem
Stacy S. McGaugh
The global missing baryon problem - that the sum of observed baryons falls short of the number expected form BBN - is well known. In addition to this, there is also a local missing…
Radio Observations of AGN in Low Surface Brightness Galaxies
M. Das, S. S. McGaugh, N. Kantharia +1
We present preliminary results of a study of the low frequency radio continuum emission from the nuclei of Giant Low Surface Brightness (LSB) galaxies. We have mapped the emission…