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Works and Days

Astronomy at the University of Michigan: Lizzy Arellano, Winter Shadow 2016

Going to dinner

The winter shadow that I had the pleasure of going to was far more fulfilling than I ever thought it could be.  My hosts were very kind.  Their homes were beautiful and their hospitality was very much appreciated.  Ann Arbor, Michigan, was one of the most beautiful and easy to get around towns that I’ve ever visited. Mario Mateo’s house was about 2 miles from the University of Michigan, where Sarah and I worked most of the time.  We found ourselves really looking forward to the walks every day.  Not only was it really nice to pass through the urban and suburban areas of Ann Arbor, but it also gave us an opportunity to explore the downtown more.  The food was delicious, the sights were see-worthy, and the snow was puffy. I feel so grateful to have received this externship because I will have otherwise never been able to visit Michigan.

As for the actual project, it was a great experience overall. Not only did I learn a lot of Python, a coding language, but also, I gained experience as an intern. I learned about the actual process of working with a data set and getting real results from my work that could actually contribute to scientific process.  Because we were using data from the Magellan Clay Telescope in Chile, where each fiber attached to a plate referred to a specific star in the star cluster, Omega Centauri, we were working off Mateo’s idea of a new way of star cluster analysis. We had to be very careful with our calculations, checking and rechecking for the expected results. We had to generalize our coding, so that when new data comes in, it could be analyzed using the same programs and so that people all over the world would have the opportunity to do the same type of analysis. At the end of our externship, our work rewarded us with a complete spectrum of the stars we analyzed, which allowed Mateo to analyze the spectral lines for different elements contained in the stars.

Tags: winter shadow, winter externship, science, astronomy, space, coding, physics, STEM

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