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The Large Synoptic Survey Telescope and Milky Way Science
R. Michael Rich
The Large Synoptic Survey Telescope (LSST) surveys have initially been optimized to omit the inner part of the Milky Way disk/bar from deep and cadence observations. However it is…
Detailed Abundances for the Old Population near the Galactic Center: I. Metallicity distribution of the Nuclear Star Cluster
R. M. Rich, N. Ryde, B. Thorsbro +4
We report the first high spectral resolution study of 17 M giants kinematically confirmed to lie within a few parsecs of the Galactic Center, using R=24,000 spectroscopy from Keck/…
First Data Release of the COSMOS Lyman-Alpha Mapping And Tomography Observations: 3D Lyman- Forest Tomography at 2.05 < z < 2.55
Khee-Gan Lee, Alex Krolewski, Martin White +21
Faint star-forming galaxies at can be used as alternative background sources to probe the Lyman- forest in addition to quasars, yielding high sightline densities tha…
A Slowly Precessing Disk in the Nucleus of M31 as the Feeding Mechanism for a Central Starburst
K. E. Lockhart, J. R. Lu, H. V. Peiris +3
We present a kinematic study of the nuclear stellar disk in M31 at infrared wavelengths using high spatial resolution integral field spectroscopy. The spatial resolution achieved,…
Chemical abundances and ages of the bulge stars in APOGEE high-velocity peaks
Yingying Zhou, Juntai Shen, Chao Liu +17
A cold high-velocity (HV, 200 km/s) peak was first reported in several Galactic bulge fields based on the APOGEE commissioning observations. Both the existence and the natur…
Detailed near-IR stellar abundances of red giants in the Inner Bulge and Galactic Center
N. Ryde, R. M. Rich, B. Thorsbro +3
Owing to their extreme crowding and high and variable extinction, stars in the Galactic Bulge, within +-2 degrees of the Galactic plane, and especially those in the Nuclear Star Cl…