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The kinematics of ionized gas in Lyman-Break Analogs at z ~ 0.2
Thiago S. Gonçalves, Antara Basu-Zych, Roderik Overzier +7
We present results for 19 "Lyman Break Analogs" (LBAs) observed with Keck/OSIRIS with an AO-assisted spatial resolution of less than 200 pc. We detect satellites/companions, diffus…
The inner structure and kinematics of the Sagittarius dwarf galaxy as a product of tidal stirring
Ewa L. Lokas, Stelios Kazantzidis, Steven R. Majewski +3
The tidal stirring model envisions the formation of dwarf spheroidal (dSph) galaxies in the Local Group via the tidal interaction of disky dwarf systems with a larger host galaxy l…
The infrared imaging spectrograph (IRIS) for TMT: the science case
Elizabeth J. Barton, James E. Larkin, Anna M. Moore +11
The InfraRed Imaging Spectrograph (IRIS) is a first-light instrument being designed for the Thirty Meter Telescope (TMT). IRIS is a combination of an imager that will cover a 16.4"…
Physical Conditions in a Young, Unreddened, Low Metallicity Galaxy at High Redshift
Dawn K. Erb, Max Pettini, Alice E. Shapley +3
Increasingly large samples of galaxies are now being discovered at redshifts z~5-6 and higher. Many of these objects are inferred to be young, low in mass, and relatively unreddene…
Assessing the Milky Way Satellites Associated with the Sagittarius Dwarf Spheroidal Galaxy
David R. Law, Steven R. Majewski
Numerical models of the tidal disruption of the Sagittarius (Sgr) dwarf galaxy have recently been developed that for the first time simultaneously satisfy most observational constr…
The Sagittarius Dwarf Galaxy: a Model for Evolution in a Triaxial Milky Way Halo
David R. Law, Steven R. Majewski
We present a new N-body model for the tidal disruption of the Sagittarius (Sgr) dwarf that is capable of simultaneously satisfying the majority of angular position, distance, and r…