UA Science

Images courtesy of Erika Hamden.

Dr. Erika Hamden to Join Astronomy/Steward in Fall 2018

Dr. Erika Hamden will join the University of Arizona Department of Astronomy and Steward Observatory in the fall of 2018. Her research focuses on UV instrumentation, detector technology development, multi-object & IFU spectroscopy, and galaxy evolution. Dr. Hamden is the project scientist for the Faint Intergalactic-medium Redshifted Emission Balloon (FIREBall), a UV multi-object spectrograph designed to observe the circum-galactic medium (CGM) in emission at UV wavelengths, scheduled for flight in September 2018. Dr. Hamden is also the project scientist for the Keck Cosmic Reionization Mapper, the red channel of the Keck Cosmic Web Imager, a high resolution IFU on Keck 2. Dr. Hamden is interested in large scale galactic outflows and inflows, with on-going work focused on observing emission from Lyman-alpha and MgII from the CGM of galaxies using integral field units at a range of redshifts. Dr. Hamden is working on the development and testing of UV optimized Electron Multiplying CCDs with the Advanced...

20 Years of Studying the HR 4796A Debris Ring

Twenty years ago, the Hubble Space Telescope (HST) turned its then recently installed Near InfraRed Camera and Multi-Object Spectrometer (NICMOS; an instrument designed and built under the direction of UA astronomers with Prof. R. Thompson as PI) on a 240 light-year distant, young (about 8 million years old) star known as HR 4796A...

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