April 29, 2016
Meet Ting Li, Graduate Student at Texas A&M University!
Ting’s main research interest is to study the stellar substructure in our own Milky Way — dwarf galaxies and stellar streams. These features in the Milky Way can help us understand the nature of dark matter. She helps the team discover these stellar associations using DES data, and also follows them spectroscopically using the world’s largest optical telescopes, including Magellan Telescopes, the Vary Large Telescope, etc.
Apart from the scientific research, Ting also works on the DES infrastructures. Specifically, she works on the atmospheric transmission monitoring camera and the spectrophotometric calibration system for DECam. These two auxiliary systems will help DES to achieve high precision photometry, which is crucial for DES scientist to understand the nature of dark energy.
We asked Ting a few more questions — here’s what she had to say:
If you weren’t a scientist, what would your dream job be?
I would want to be an astronaut, or more specifically, a job that can take me to space. Even if I could not go to space, I still hope that an instrument I build could go to space sometime in the future. I’m probably not physically strong enough to be qualified as a astronaut, but I’m good at astrophysics and instrumentation. I also speak many languages (English, Chinese, Japanese, little French and poor Spanish…). I still hope one day the dream would come true
What is your secret talent?
Ting-quisition: my graduate peers made this word for me, it means that Ting asks someone questions until that person “dies”. I’m not sure if that’s a talent or not, but I do like to ask questions and I learn a lot from asking.
What do you think has been the most exciting advance in physics / astronomy in the last 10 years?
Sky survey with CCDs, starting from SDSS.
Astronomy has been significantly changed since the birth of CCDs and sky surveys. The progress is huge and revolutionary in the past 10 years. That’s why I joined DES and I think it will be the next revolution (before LSST starts).
Thinking back to when you were an undergrad in physics (if applicable), was there anything you were taught then that is not taught now?
I wish I had learned more about python and more about statistics.
Any advice for aspiring scientists?
This is the advice I would give to the students who might be considering going to graduate school and pursuing a career in scientific research.
I would say that graduate school is tough, so make sure that’s what you want before you decide to go that route. If you decide to take it, then enjoy it. Graduate school is much more independent, compared to the undergraduate program. Instead of professors telling you what to do in your undergraduate study, you are the one who needs to make the decisions about yourself most of the time. You also have to learn a lot of new things by yourself and solve the problems by yourself. So make sure you pick a field that you like and you are interested in.
The difficulties can sometimes be incredibly frustrating. However, part of getting closer to becoming a qualified Ph.D. is dealing with setbacks and experiencing failure. Maybe you don’t feel that you are gaining new knowledge every day, or maybe you feel that you are standing still after many days of hard work. But after several months or even years, you will know that you have already made a huge improvement in your research ability. You won’t see the changes every day, but be patient and persistent, and you will succeed.
See the full article here .
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DECam, built at FNAL
CTIO Victor M Blanco Telescope at Cerro Tololo which houses the DECAm
The Dark Energy Survey (DES) is designed to probe the origin of the accelerating universe and help uncover the nature of dark energy by measuring the 14-billion-year history of cosmic expansion with high precision. More than 120 scientists from 23 institutions in the United States, Spain, the United Kingdom, Brazil, and Germany are working on the project. This collaboration [has built] an extremely sensitive 570-Megapixel digital camera, DECam, and [has mounted] it on the Blanco 4-meter telescope at Cerro Tololo Inter-American Observatory high in the Chilean Andes. Started in Sept. 2012 and continuing for five years, DES will survey a large swath of the southern sky out to vast distances in order to provide new clues to this most fundamental of questions.