Announcements of Opportunity
SURF: Announcements of Opportunity
Below are Announcements of Opportunity posted by Caltech faculty and JPL technical staff for the SURF program. Each AO indicates whether or not it is open to non-Caltech students. If an AO is NOT open to non-Caltech students, please DO NOT contact the mentor. 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. Click here for more tips on finding a mentor. Announcements for external summer programs are listed here.
*Students applying for JPL projects should complete a SURF@JPL application instead of a "regular" SURF application.
*Students pursuing opportunities at JPL must be U.S. citizens or U.S. permanent residents.
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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),
rchary@caltech.edu, |
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Mentor URL: | https://www.its.caltech.edu/~rchary/ (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. |
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References: |
1. Euclid Red Book https://sci.esa.int/web/euclid/-/48983-euclid-definition-study-report-esa-sre-2011-12 2. How one can use galaxy colors to constrain distances https://ui.adsabs.harvard.edu/abs/2022hst..prop17091F/abstract 3. Searching for galaxy overdensities https://arxiv.org/abs/1802.10290v1 |
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Student Requirements: | Physics & Astronomy background, Programming with Python, Experience with calibrating astronomy data sets. | ||||||||||||
Programs: |
This AO can be done under the following programs:
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