A New Longslit Spectrograph for Undergraduate Astronomy Labs

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In Fall 2021 and Spring 2022, two undergraduate students helped me commission a longslit spectrograph on the 17-in telescope (PlaneWave CDK17) at the Van Allen Observatory (VAO). The LISA Spectrograph is made by Shelyak Instruments. The spectrograph bundle includes the spectrograph optics, a small CCD camera for target acquisition, a... [Read More]
Tags: teaching

MaNGA Merger Project funded by the NSF (AST-2103251)

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The important role played by collisions and mergers in galaxy evolution has been appreciated since the 1970’s. Previous spectroscopic studies of colliding/merging galaxies, while confirming several basic predictions (e.g., elevated nuclear star formation and/or black hole accretion), generally explored only their brighter inner-most regions in a largely non-uniform manner. This... [Read More]
Tags: research news