Wendy L. Freedman

John & Marion Sullivan University Professor of Astronomy & Astrophysics, Department of Astronomy and Astrophysics

Ph.D. in Astronomy, University of Toronto, 1984
Contact Information
Phone: (773) 834-5651
Location: ERC 535
Email: wfreedmanuchicago.edu
Observational cosmology, Hubble constant, dark energy, extragalactic distance scale, supernovae, Cepheids, galaxy evolution, initial mass function.

Ongoing Scientific Projects:
Talks, Lectures, & Workshops
Currently in Committees
  • Wednesday Colloquium committee
  • Executive committee

KICP Publications
2017 | 2016

Latest Journal Publications
  1. "A Method for Improving Galactic Cepheid Reddenings and Distances", The Astrophysical Journal, Volume 842, Issue 1, article id. 42, 17 pp. (2017) (Jun 2017)
  2. "On a New Theoretical Framework for RR Lyrae Stars. II. Mid-infrared Period–Luminosity–Metallicity Relations", The Astrophysical Journal, Volume 841, Issue 2, article id. 84, 19 pp. (2017) (Jun 2017)
  3. "Correction: Cosmology at a crossroads", Nature Astronomy, Volume 1, id. 0169 (2017) (Jun 2017)
  4. "VizieR Online Data Catalog: Standard Galactic field RR Lyrae. I. Photometry (Monson+, 2017)", VizieR On-line Data Catalog: J/AJ/153/96. Originally published in: 2017AJ....153...96M (Jun 2017)
  5. "Cosmology at a crossroads", Nature Astronomy, Volume 1, id. 0121 (2017) (May 2017)
  6. "VizieR Online Data Catalog: RRLs in globulars. IV. UBVRI photometry in Omega Cen (Braga+, 2016)", VizieR On-line Data Catalog: J/AJ/152/170. Originally published in: 2016AJ....152..170B (May 2017)
  7. "VizieR Online Data Catalog: Distance to NGC6822 with Spitzer/FourStar Photometry (Rich+, 2014)", VizieR On-line Data Catalog: J/ApJ/794/107. Originally published in: 2014ApJ...794..107R (May 2017)
  8. "Standard Galactic Field RR Lyrae. I. Optical to Mid-infrared Phased Photometry", The Astronomical Journal, Volume 153, Issue 3, article id. 96, 23 pp. (2017) (Mar 2017)
  9. "The Carnegie-Chicago Hubble Program. II. The Distance to IC 1613: The Tip of the Red Giant Branch and RR Lyrae Period-Luminosity Relations", arXiv:1703.06468 (Mar 2017)
  10. "The Carnegie-Chicago Hubble Program. III. The Distance to NGC 1365 via the Tip of the Red Giant Branch", arXiv:1703.10616 (Mar 2017)
  11. "On the RR Lyrae Stars in Globulars. IV. ω Centauri Optical UBVRI Photometry", The Astronomical Journal, Volume 152, Issue 6, article id. 170, 34 pp. (2016) (Dec 2016)
  12. "The Carnegie-Chicago Hubble Program. I. An Independent Approach to the Extragalactic Distance Scale Using Only Population II Distance Indicators", The Astrophysical Journal, Volume 832, Issue 2, article id. 210, 21 pp. (2016) (Dec 2016)
  13. "VizieR Online Data Catalog: Spitzer/IRAC observations of SMC Cepheids (Scowcroft+, 2016)", VizieR On-line Data Catalog: J/ApJ/816/49. Originally published in: 2016ApJ...816...49S (Mar 2016)

Latest Conference Proceedings
  1. "Increasing Accuracy and Increasing Tension in Ho", American Astronomical Society, AAS Meeting #229, id.234.01 (Jan 2017)
  2. "Star Formation as a Function of Neutral Hydrogen Gas Density in Local Group Galaxies", American Astronomical Society, AAS Meeting #228, id.319.04 (Jun 2016)
  3. "Accepted Facts in Observational Cosmology", American Astronomical Society, AAS Meeting #228, id.204.01 (Jun 2016)
  4. "The Next Generation of Optical Telescopes", APS April Meeting 2016, abstract #Y7.001 (Mar 2016)