California Institute of Technology, Physics, Mathematics & Astronomy Division

Fellowship ID:Caltech-PMA-TDAPD [#20438]
Fellowship Title: Postdoctoral Fellowship in Time Domain Astronomy
Fellowship Type:Postdoctoral
Location:Pasadena, California 91125, United States [map]
Subject Area: Astronomy
Appl Deadline:2022/01/15 11:59PMhelp popup** finished (2021/11/08, finished 2022/04/22, listed until 2022/01/31)

*** this fellowship has been closed and new applications are no longer accepted. ***

The Division of Physics, Mathematics and Astronomy at Caltech will offer one or more postdoctoral fellowships in time domain astronomy. Active research projects include:
  • Supernova studies with the Bright Transient Survey of the Zwicky Transient Facility (ZTF)
  • Machine learning and astroinformatics, including work connected with the new NSF-funded HDR Accelerated AI Algorithms for Data-Driven Discovery Institute (
  • Infrared transient and variable searches with the ongoing Palomar Gattini-IR survey and upcoming Widefield INfrared Transient ExploreR (WINTER) survey
  • Data mining of extensive light curve archives for systematic studies of AGN variability and a variety of variable stars.

Associated faculty are Professors Matthew Graham, Mansi Kasliwal, Shri Kulkarni and Tom Prince. Technical and observational investigations are underway in several areas of optical and infrared time domain astronomy including supernovae, fast radio bursts, gravitational wave counterparts, magnetars, quasars/AGN, exoplanets and compact Galactic binary systems. Postdoctoral fellows will also have the opportunity to interact frequently with Caltech, KITP, and Berkeley faculty through the ZTF Theory Network. Postdocs interested in theory should apply for the Burke Fellowship. Where relevant, this position may be combined with opportunities at other institutional members of the ZTF partnership.

The postdoctoral fellowship position will start September 1, 2022 or earlier. The duration of the fellowship is up to three years: an initial one-year appointment with annual renewals contingent upon satisfactory performance and availability of funds. Fellowship recipients will have the opportunity to propose for time on all of Caltech's astronomical facilities, including those at Palomar Observatory and at the W. M. Keck Observatory.

The PMA Division also has Prize Postdoctoral Fellowships available in theoretical astrophysics and experimental astrophysics

Electronic copies of the curriculum vitae with email address and with citizenship indicated, publications list (indicate articles which appeared in refereed journals), and statement of research interests are required. Electronic Portable Document Format (PDF) submittals are preferred. The applicant is requested to ensure that at least three letters of recommendation are provided or sent directly to Caltech.

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual orientation, gender identity, or national origin, disability status, protected veteran status, or any other characteristic protected by law. Caltech is a VEVRAA Federal Contractor. Click here to read more about Equal Employment Opportunity (EEO).

Caltech is committed to working with and providing access and reasonable accommodations to applicants with physical or mental disabilities. To request disability accommodations for any part of the interview or hiring process, please reach out to the contact on the job posting. 

Caltech has implemented a mandatory vaccination policy effective October 15, 2021, requiring COVID-19 vaccinations for all employees (with Institute-approved exemptions for religious or medical contraindications only). At present, an individual is deemed “fully vaccinated” when that person has received, at least 14 days prior, either the second dose in a two-dose COVID-19 vaccine series (e.g., Pfizer or Moderna) or a single-dose COVID-19 vaccine (e.g., Johnson & Johnson). Upon eligibility, employees are required to receive the COVID-19 booster as part of the vaccine mandate. As a condition of employment, employees must submit official COVID-19 vaccine documentation. More information may be found here.

Application Materials Required:
Submit the following items online at this website to complete your application:
Further Info:
1200 E. California Blvd.
Pasadena, CA 91125