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Amgen Scholars: Announcements of Opportunity

Below are Announcements of Opportunity posted by Caltech faculty for the Amgen Scholars program.

Announcements of Opportunity are posted as they are received. Please check back regularly for new AO submissions! Remember: This is just one way that you can go about identifying a suitable project and/or mentor. For additional tips on identifying a mentor click here.

Please remember:

  • Students pursuing Amgen must be U.S. citizens, U.S. permanent residents, or students with DACA status.
  • Students pursuing Amgen must complete the 10-week program from June 18 - August 23, 2024. Students must commit to these dates. No exceptions will be made.
  • Accepted students must live in provided Caltech housing.

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Project:  Studying the Large Scale Structure of the Early Universe with Euclid
Disciplines:  Astronomy, Astrophysics
Mentor:  Ranga Ram Chary, Dr., (PMA),, Phone: 6263952693
Mentor URL:  (opens in new window)
Background:  Studying the formation and growth of large scale structure at early cosmic times can provide clues about the initial physical conditions of the Universe. The sensitivity and wide-area coverage of the recently launched space mission, Euclid, allows one to trace the formation of these structures. The project will involve cross-calibrating the Euclid data with external ground-based datasets and using the spectral energy distributions of galaxies to assess if any of the observations completed thus far could harbor evidence of a over density of galaxies in the distant Universe.
Description:  The goals will be:
1. To understand the properties of the different datasets, how the data were taken, the advantages and disadvantages of the different observing approaches.
2. Measuring the brightness of objects in Subaru, PanSTARRS and Euclid data in those fields.
3. Using the multi wavelength information to measure the distances to galaxies using photometric redshift fitting
4. Assess the evidence for an over density at any particular redshift compared to the field galaxy distribution.

Over the 10 weeks, the student will be required to make two presentations to peers about the goals of their work in the beginning and their results. They will also have to write up their results, with plots, into a journal-quality article.
References:  1. Euclid Red Book

2. How one can use galaxy colors to constrain distances

3. Searching for galaxy overdensities
Student Requirements:  Physics & Astronomy background, Programming with Python, Experience with calibrating astronomy data sets.
Programs:  This AO can be done under the following programs:

  Program    Available To
       Amgen Scholars    Non-Caltech students only  
       SURF    both Caltech and non-Caltech students 

Click on a program name for program info and application requirements.

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