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Measuring Consistent Masses for 25 Milky Way Globular Clusters
Brian Kimmig, Anil Seth, Inese I. Ivans +4
We present central velocity dispersions, masses, mass to light ratios (s), and rotation strengths for 25 Galactic globular clusters. We derive radial velocities of 1951 stars…
First detection and characterization of symbiotic stars in M31
Joanna Mikolajewska, Nelson Caldwell, Michael M. Shara
Symbiotic binaries are putative progenitors of type Ia supernovae. The census of Galactic symbiotic binaries is so incomplete that we cannot reliably estimate the total population…
Panchromatic Hubble Andromeda Treasury IX: A Photometric Survey of Planetary Nebulae in M31
Mark J. Veyette, Benjamin F. Williams, Julianne J. Dalcanton +8
We search Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) and Wide Field Camera 3 (WFC3) broadband imaging data from the Panchromatic Hubble Andromeda Treasury (PHAT…
The Next Generation Virgo cluster Survey. V. modelling the dynamics of M87 with the Made-to-Measure method
Ling Zhu, R. J. Long, Shude Mao +16
We study the dynamics of the giant elliptical galaxy M87 from the central to the outermost regions with the made-to-measure (M2M) method. We use a new catalogue of 922 globular clu…
The Most Distant Stars in the Milky Way
John J. Bochanski, Beth Willman, Nelson Caldwell +4
We report on the discovery of the most distant Milky Way (MW) stars known to date: ULAS J001535.72015549.6 and ULAS J074417.48253233.0. These stars were selected as M giant c…
Discovery of a new faint dwarf galaxy associated with NGC 253
D. J. Sand, D. Crnojević, J. Strader +6
We report the discovery of a new faint dwarf galaxy, which we dub Scl-MM-Dw1, at a projected distance of 65 kpc from the spiral galaxy NGC 253. The discovery results from the…