![Robyn Sanderson](https://web.sas.upenn.edu/dynamics/files/2021/02/headshot_tiny.jpg)
Prof. Robyn Sanderson
(‘ɹɑb-ɪn ‘san-dɞr-sʊn) is the PI.
tweeting as @astrorobyn
how did I get here?
Postdocs
![](https://web.sas.upenn.edu/dynamics/files/2022/03/adrien-1-696x1024.jpg)
Dr. Adrien Thob
Postdoc, Penn
synthetic observations of simulated galaxies for Roman and JWST; massive stars & galaxy formation
![](https://web.sas.upenn.edu/dynamics/files/2022/09/nico-1024x1004.jpg)
Dr. Nicolas Garavito Camargo
Flatiron Research Fellow, CCA
effects of the Large Magellanic Cloud on the Milky Way
![](https://web.sas.upenn.edu/dynamics/files/2021/02/emily.jpg)
Dr. Emily Cunningham
Hubble Fellow, Columbia
observation & interpretation of the Galactic stellar halo
![](https://web.sas.upenn.edu/dynamics/files/2021/02/danny.jpg)
Dr. Danny Horta Darrington
Flatiron Research Fellow, CCA
reconstructing the early formation of the Galactic stellar halo
Graduate Students
![](https://web.sas.upenn.edu/dynamics/files/2021/10/portrait-3-of-5-819x1024.jpeg)
Nondh Panithanpaisal
Zaccheus Daniel Fellow
tidal streams and dark matter substructure
![](https://web.sas.upenn.edu/dynamics/files/2021/04/arpit.jpg)
Arpit Arora
basis-function expansion models for the Milky Way. SiDM theories.
Undergraduate Students
![](https://web.sas.upenn.edu/dynamics/files/2022/09/emilyb-954x1024.jpg)
Emily Bregou (Penn ’23)
tidal streams in smooth vs lumpy halos
![](https://web.sas.upenn.edu/dynamics/files/2021/11/jay2.jpg)
Jay Baptista (Yale ’23)
UHIfA REU program, Summer 2021
the twisting of dark matter halos
![](https://web.sas.upenn.edu/dynamics/files/2022/09/katiek.jpg)
Katie (Hikaru) Kotake (Penn ’24)
Vagelos MLS Scholar
measuring the mass of a dwarf galaxy from a single star
![](https://web.sas.upenn.edu/dynamics/files/2021/02/cropped-icon.jpg)
Erica Wu (Penn ’25)
PURM, Summer 2022
Galaxy bars with and without black holes
![](https://web.sas.upenn.edu/dynamics/files/2021/04/m12i_halo.png)
Ali Al Ayssami (Penn ’25)
PURM, Summer 2022
the asteroseismic view of the Milky Way
![](https://web.sas.upenn.edu/dynamics/files/2021/04/m12i_halo.png)
Kiana Ejercito (UH ’25)
UHIfA REU program, Summer 2022
how galaxy formation influences stellar halo profiles
&Friends
![](https://web.sas.upenn.edu/dynamics/files/2021/04/FarnikNikakhtar-1024x1024.jpg)
Dr. Farnik Nikakhtar (Penn PhD ’22)
DESI Fellow, Yale University
synthetic surveys, data science, and action space
![](https://web.sas.upenn.edu/dynamics/files/2021/02/sarah.jpg)
Dr. Sarah Pearson
Hubble Fellow, NYU
![](https://web.sas.upenn.edu/dynamics/files/2021/02/erin.jpg)
Dr. Erin Kado-Fong
YCAA Prize Fellow, Yale University
![](https://web.sas.upenn.edu/dynamics/files/2021/02/lilly.jpg)
Lillian Joseph (UPenn ’21)
Astronomy Master’s program, AIP Potsdam
surfaces of section in realistic galaxy models
![](https://web.sas.upenn.edu/dynamics/files/2021/02/sioree.jpg)
Sioree Ansar
Graduate student, Indian Institute of Astrophysics, Bengaluru
CCA Pre-doctoral Program, Spring 2021
Bars on FIRE
![](https://web.sas.upenn.edu/dynamics/files/2021/11/IMG_7884-791x1024.jpg)
Tom Donlon
Graduate student, Rensselaer Polytechnic Institute
Shells on FIRE
![](https://web.sas.upenn.edu/dynamics/files/2021/11/youjia.jpeg)
Youjia Wu
Graduate student, University of Michigan Physics
Alumni
![](https://web.sas.upenn.edu/dynamics/files/2021/11/stella-806x1024.jpg)
Dr. Stella Reino
Ph.D. ’22, Sterrewacht Leiden
Mapping the dark halo with streams
Now working in industry
![A simulated galaxy](https://web.sas.upenn.edu/dynamics/files/2021/02/icon.jpg)
Dr. Drona Vargya (Penn PhD ’20)
dynamical constraints on self-interacting dark matter
![](https://web.sas.upenn.edu/dynamics/files/2021/02/marvin.jpg)
Marvin Morgan (UPenn ’21, senior thesis)
now a grad student in Astronomy at UT Austin
![](https://web.sas.upenn.edu/dynamics/files/2021/02/chris.jpg)
Chris Regan (UPenn ’21, senior thesis)
now working in the finance sector
![](https://web.sas.upenn.edu/dynamics/files/2021/11/jen.jpg)
Jen Locke (UPenn ’22)
metallicity gradients in tidal streams
now working in the aerospace sector
&More
![](https://web.sas.upenn.edu/dynamics/files/2021/02/collabs.jpg)