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Andrew Friedman

Assistant Research Scientist

Office: SERF 334
Phone: (858) 534-5416

Related Websites

All Publications
Research website


I am an astronomer, cosmologist, and data scientist. I am currently a NSF funded Assistant Research Scientist at the UC San Diego Center for Astrophysics & Space Sciences and a Research Affiliate in the MIT Program in Science, Technology and Society (STS).

I work on several theoretical and observational cosmology projects to devise and implement fun experiments that leverage cosmology to help test fundamental physics. These include a series of experiments with colleagues to test quantum theory with astronomical observations as well as Infrared and Optical observations of Type Ia Supernovae with ground and space based telescopes, which can be used to measure the expansion history of the universe, cosmic acceleration, and dark energy.

Before UCSD, I was an NSF Postdoctoral Fellow at MIT, a NSF Funded Research Associate at MIT, and a Visiting Research Scientist at the MIT Center for Theoretical Physics. I completed my PhD in Astronomy & Astrophysics from the Harvard University Department of Astronomy and I received my BA in Physics & Astrophysics from UC Berkeley.

I am very interested in projects at the intersection between observational astronomy, astrophysics, data analysis, and the philosophy of science, especially the philosophy of cosmology. I am excited to explore a range of fascinating scientific questions through research, science writing, art, animation, public outreach, and working with the science media. For more, see my Bio, Resume, and CV.

Select Publications

Cosmic Bell Test: Measurement Settings from Milky Way Stars, Handsteiner, J., Friedman, A.S. + 2017, Physical Review Letters, Vol. 118, Issue 6, id. 060401,(arXiv:1611.06985) (DOI) (Supplemental Material)

CFAIR2: Near-Infrared Light Curves of 94 Type Ia Supernovae, Friedman, A.S. + 2015, The Astrophysical Journal Supplement Series, Vol. 220, Issue 1, id. 9, 35 pp. (arXiv:1408.0465) (DOI)

Can the Cosmos Test Quantum Entanglement?, Friedman, A. S. 2014, Astronomy, Vol. 42, issue 10, October 2014, pg. 28-33.

Testing Bell's Inequality with Cosmic Photons: Closing the Setting-Independence Loophole, Gallicchio, J., Friedman, A.S., and Kaiser, D.I. 2014, Physical Review Letters, Vol. 112, Issue 11, id. 110405, 5 pp. (arXiv:1310.3288) (DOI)

The Shared Causal Pasts and Futures of Cosmological Events, Friedman, A.S., Kaiser, D.I., and Gallicchio, J. 2013, Physical Review D, Vol. 88, Issue 4, id. 044038, 18 pp. (arXiv:1305.3943) (DOI)

Infrared Light Curves of Type Ia Supernovae, Friedman, Andrew S. 2012, PhD Thesis, Harvard University, ProQuest Dissertations and Theses, Publication Number: AAT 3513964; ISBN: 9781267446190; Source: Dissertation Abstracts International, Volume: 73-11(E), Section: B.; 272 pp. Advisor: Robert P. Kirshner, (NASA/ADS) (ProQuest)

Type Ia Supernova Light Curve Inference: Hierarchical Bayesian Analysis in the Near Infrared, Mandel, K.S., Wood-Vasey, W.M., Friedman, A.S., Kirshner, R.P., 2009, The Astrophysical Journal, Vol. 704, Issue 1, pp. 629-651 (arXiv:0908.0536) (DOI)

Type Ia Supernovae are Good Standard Candles in the Near Infrared: Evidence from PAIRITEL, Wood-Vasey, W.M., Friedman, A.S. + 2008, The Astrophysical Journal, Vol. 689, Issue 1, pp. 377-390, (arXiv:0711.2068) (DOI)

Toward a More Standardized Candle Using GRB Energetics and Spectra, Friedman, A.S. & Bloom, J.S. 2005, The Astrophysical Journal, Vol. 627, Issue 1, pp. 1-25, (astro-ph/0408413) (DOI)

Present and Future Prospects for GRB Standard Candles, Friedman, A.S. & Bloom, J.S. 2005, Il Nuovo Cimento C, Vol. 028, Issue 04-05, pp. 669-672, (astro-ph/0502559) (DOI)