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Radial Dependence of the Pattern Speed of M51
Sharon E. Meidt, Richard J. Rand, Michael R. Merrifield +2
The grand-design spiral galaxy M51 has long been a crucial target for theories of spiral structure. Studies of this iconic spiral can address the question of whether strong spiral…
Infrared Spectroscopy of the Diffuse Ionized Halo of NGC 891
Richard J. Rand, Kenneth Wood, Robert A. Benjamin
We present infrared spectroscopy from the Spitzer Space Telescope at one disk position and two positions at a height of 1 kpc from the disk in the edge-on spiral NGC 891, with the…
Vertically Extended Neutral Gas in the Massive Edge-on Spiral NGC 5746
Richard J. Rand, Robert A. Benjamin
We present Very Large Array 21-cm observations of the massive edge-on spiral galaxy NGC 5746. This galaxy has recently been reported to have a luminous X-ray halo, which has been t…
Tests of the Radial Tremaine-Weinberg Method
Sharon E. Meidt, Richard J. Rand, Michael R. Merrifield +2
At the intersection of galactic dynamics, evolution and global structure, issues such as the relation between bars and spirals and the persistence of spiral patterns can be address…
Integral Field Unit Observations of NGC 4302: Kinematics of the Diffuse Ionized Gas Halo
George H. Heald, Richard J. Rand, Robert A. Benjamin +1
We present moderate resolution spectroscopy of extraplanar diffuse ionized gas (EDIG) emission in the edge-on spiral galaxy NGC 4302. The spectra were obtained with the SparsePak i…
Integral Field Unit Observations of NGC 891: Kinematics of the Diffuse Ionized Gas Halo
George H. Heald, Richard J. Rand, Robert A. Benjamin +1
We present high and moderate spectral resolution spectroscopy of diffuse ionized gas (DIG) emission in the halo of NGC 891. The data were obtained with the SparsePak integral field…