Stephen Kent

Summit, Mt. Shavano (14,229 feet) (Colorado)

Mostly at:	Fermilab
Position:	Head, Experimental Astrophysics Group
Phone:	(630)840-8264
Fax:	(630)840-8274
Email:	skent-at-fnal.gov
Research:	Sloan Digital Sky Survey
Dark Energy from the Ground	Dark Energy Survey
Occasionally at:	University of Chicago
Phone:	(773)834-4670

Dark Energy Survey

Public websites:

Observational Foundations of Cosmology

• Historical papers
• Let's Trash-Talk Hubble! - Papers from 2011
• A Tale of two Blunders - How Lemaitre and Hubble blundered yet determined the same value for the Hubble constant.
• The Mythical 3-Sigma Result - Not really cosmology. A random, unfinished essay.
• Notes on the early history of dark energy - wherein the "cosmological constant" is reinterpreted as being "dark energy".
• M31-V1 The first Cepheid identified by Hubble in M31.

Cosmology 101 - For Fermilab HEPers

• 1. Observational Foundations of Cosmology
• 2. Review of Special Relativity
• 3. Metrics
• 4. Robertson-Walker Metric
•     Problem 1
• 5. Dynamics
•     Problem 2
• 6. The Universe as a Function of Redshift
•     Problem 3
• 7. Classical Tests of Cosmology
• 8. Models with Finite Pressure
• 9. Dark Energy
• 10. Radiation in the Early Universe
• 11. Statistical Properties of Large Scale Structure
• 12. Growth of Structure
• 13. Classical Problems With Cosmology and Inflation
• 14. A Derivation of the Schwarzschild Metric

Sloan Digital Sky Survey