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The growth of the central region by acquisition of counter-rotating gas in star-forming galaxies
Yan-Mei Chen, Yong Shi, Christy A. Tremonti +29
Galaxies grow through both internal and external processes. In about 10% of nearby red galaxies with little star formation, gas and stars are counter-rotating, demonstrating the im…
SDSS-IV MaNGA: A serendipitous observation of a potential gas accretion event
Edmond Cheung, David V. Stark, Song Huang +24
The nature of warm, ionized gas outside of galaxies may illuminate several key galaxy evolutionary processes. A serendipitous observation by the MaNGA survey has revealed a large,…
SDSS-IV MaNGA IFS Galaxy Survey --- Survey Design, Execution, and Initial Data Quality
Renbin Yan, Kevin Bundy, David R. Law +47
The MaNGA Survey (Mapping Nearby Galaxies at Apache Point Observatory) is one of three core programs in the Sloan Digital Sky Survey IV. It is obtaining integral field spectroscopy…
A Robust Measurement of the Mass Outflow Rate of the Galactic Outflow from NGC 6090
John Chisholm, Christy A. Tremonti, Claus Leitherer +1
To evaluate the impact of stellar feedback, it is critical to estimate the mass outflow rates of galaxies. Past estimates have been plagued by uncertain assumptions about the outfl…
Boxy H Emission Profiles in Star-Forming Galaxies
Yan-Mei Chen, Qiu-Sheng Gu, Christy A. Tremonti +2
We assemble a sample of disk star-forming galaxies from the Sloan Digital Sky Survey Data Release 7, studying the structure of H emission lines, finding a large fraction of this…
Shining A Light On Galactic Outflows: Photo-Ionized Outflows
John Chisholm, Christy A. Tremonti, Claus Leitherer +2
We study the ionization structure of galactic outflows in 37 nearby, star forming galaxies with the Cosmic Origins Spectrograph on the Hubble Space Telescope. We use the O I, Si II…