Wendy L. Freedman

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

Ph.D. in Astronomy, University of Toronto, 1984

 
KICP Publications
2018 | 2017 | 2016

2018 
  1. "The Carnegie RR Lyrae Program: mid-infrared period-luminosity relations of RR Lyrae stars in Reticulum", Monthly Notices of the Royal Astronomical Society, Volume 480, Issue 3, p.4138-4153 (Nov 2018)
    Tatiana Muraveva, Alessia Garofalo, Victoria Scowcroft, Gisella Clementini, Wendy L. Freedman, Barry F. Madore, Andrew J. Monson
  2. "SMHASH: a new mid-infrared RR Lyrae distance determination for the Local Group dwarf spheroidal galaxy Sculptor", Monthly Notices of the Royal Astronomical Society, Volume 481, Issue 1, p.578-595 (Nov 2018)
    Alessia Garofalo, Victoria Scowcroft, Gisella Clementini, Kathryn V. Johnston, Judith G. Cohen, Wendy L. Freedman, Barry F. Madore, Steven R. Majewski, Andrew J. Monson, Jillian R. Neeley, Carl J. Grillmair, David Hendel, Nitya Kallivayalil, Massimo Marengo, Roeland van der Marel
  3. "The Carnegie–Chicago Hubble Program. V. The Distances to NGC 1448 and NGC 1316 via the Tip of the Red Giant Branch", The Astrophysical Journal, Volume 866, Issue 2, article id. 145, 9 pp. (2018) (Oct 2018)
    Dylan Hatt, Wendy L. Freedman, Barry F. Madore, In Sung Jang, Rachael L. Beaton, Taylor J. Hoyt, Myung Gyoon Lee, Andrew J. Monson, Jeffrey A. Rich, Victoria Scowcroft, Mark Seibert
  4. "Carnegie Supernova Project-II: Extending the Near-Infrared Hubble Diagram for Type Ia Supernovae to $zsim0.1$", arXiv:1810.09252 (Oct 2018)
    M. M. Phillips, Carlos Contreras, E. Y. Hsiao, Nidia Morrell, Christopher R. Burns, Maximilian Stritzinger, C. Ashall, Wendy L. Freedman, P. Hoeflich, S. E. Persson, Anthony L. Piro, Nicholas B. Suntzeff, Syed A. Uddin, Jorge Anais, E. Baron, Luis Busta, Abdo Campillay, Sergio Castellón, Carlos Corco, T. Diamond, Christa Gall, Consuelo Gonzalez, Simon Holmbo, Kevin Krisciunas, Miguel Roth, Jacqueline Serón, F. Taddia, Simón Torres, J. P. Anderson, C. Baltay, Gastón Folatelli, L. Galbany, A. Goobar, Ellie Hadjiyska, Mario Hamuy, Mansi Kasliwal, C. Lidman, Peter E. Nugent, S. Perlmutter, David Rabinowitz, Stuart D. Ryder, Brian P. Schmidt, B. J. Shappee, Emma S. Walker
  5. "Carnegie Supernova Project-II: The Near-infrared Spectroscopy Program", arXiv:1810.08213 (Oct 2018)
    E. Y. Hsiao, M. M. Phiilips, G. H. Marion, R. P. Kirshner, N. Morrell, D. J. Sand, C. R. Burns, C. Contreras, P. Hoeflich, M. D. Stritzinger, S. Valenti, J. P. Anderson, C. Ashall, C. Baltay, E. Baron, D. P. K. Banerjee, S. Davis, T. R. Diamond, G. Folatelli, Wendy L. Freedman, F. Förster, L. Galbany, C. Gall, S. González-Gaitán, A. Goobar, M. Hamuy, S. Holmbo, M. M. Kasliwal, K. Krisciunas, S. Kumar, C. Lidman, J. Lu, P. E. Nugent, S. Perlmutter, S. E. Persson, A. L. Piro, D. Rabinowitz, M. Roth, S. D. Ryder, B. P. Schmidt, M. Shahbandeh, N. B. Suntzeff, F. Taddia, S. Uddin, L. Wang
  6. "SMHASH: anatomy of the Orphan Stream using RR Lyrae stars", Monthly Notices of the Royal Astronomical Society, Volume 479, Issue 1, p.570-587 (Sep 2018)
    David Hendel, Victoria Scowcroft, Kathryn V. Johnston, Mark A. Fardal, Roeland P. van der Marel, Sangmo T. Sohn, Adrian M. Price-Whelan, Rachael L. Beaton, Gurtina Besla, Giuseppe Bono, Maria-Rosa L. Cioni, Giselle Clementini, Judith G. Cohen, Michele Fabrizio, Wendy L. Freedman, Alessia Garofalo, Carl J. Grillmair, Nitya Kallivayalil, Juna A. Kollmeier, David R. Law, Barry F. Madore, Steven R. Majewski, Massimo Marengo, Andrew J. Monson, Jillian R. Neeley, David L. Nidever, Grzegorz Pietrzyński, Mark Seibert, Branimir Sesar, Horace A. Smith, Igor Soszyński, Andrzej Udalski
  7. "The Carnegie Supernova Project: Absolute Calibration and the Hubble Constant", arXiv:1809.06381 (Sep 2018)
    Christopher. R. Burns, Emilie Parent, M. M. Phillips, Maximillian Stritzinger, Kevin Krisciunas, Nicholas B. Suntzeff, Eric Y. Hsiao, Carlos Contreras, Jorge Anais, Luis Boldt, Luis Busta, Abdo Campillay, Sergio Castellon, Gaston Folatelli, Wendy L. Freedman, Consuelo Gonzalez, Mario Hamuy, Peter Heoflich, Wojtek Krzeminski, Barry F. Madore, Nidia Morrell, S. E. Persson, Miguel Roth, Francisco Salgado, Jacqueline Seron, Simon Torres
  8. "VizieR Online Data Catalog: The CSP (DR3): photometry of low-z SNe Ia (Krisciunas+, 2017)", VizieR On-line Data Catalog: J/AJ/154/211. Originally published in: 2017AJ....154..211K (Aug 2018)
    K. Krisciunas, C. Contreras, C. R. Burns, M. M. Phillips, M. D. Stritzinger, N. Morrell, M. Hamuy, J. Anais, L. Boldt, L. Busta, A. Campillay, S. Castellon, G. Folatelli, W. L. Freedman, C. Gonzalez, E. Y. Hsiao, W. Krzeminski, S. E. Persson, M. Roth, F. Salgado, J. Seron, N. B. Suntzeff, S. Torres, A. V. Filippenko, W. Li, B. F. Madore, D. L. Depoy, J. L. Marshall, J.-P. Rheault, S. Villanueva
  9. "The Carnegie-Chicago Hubble Program. IV. The Distance to NGC 4424, NGC 4526, and NGC 4356 via the Tip of the Red Giant Branch", The Astrophysical Journal, Volume 861, Issue 2, article id. 104, 10 pp. (2018) (Jul 2018)
    Dylan Hatt, Wendy L. Freedman, Barry F. Madore, Rachael L. Beaton, Taylor J. Hoyt, In Sung Jang, Myung Gyoon Lee, Andrew J. Monson, Jeffrey A. Rich, Victoria Scowcroft, Mark Seibert
  10. "Metallicity-Corrected Tip of the Red Giant Branch Distances to M66 and M96", American Astronomical Society, AAS Meeting #232, id. 319.03 (Jun 2018)
    Violet Mager, Barry F. Madore, Wendy L. Freedman
  11. "The Near-infrared Tip of the Red Giant Branch. I. A Calibration in the Isolated Dwarf Galaxy IC 1613", The Astrophysical Journal, Volume 858, Issue 1, article id. 11, 10 pp. (2018) (May 2018)
    Barry F. Madore, Wendy L. Freedman, Dylan Hatt, Taylor J. Hoyt, Andrew J. Monson, Rachael L. Beaton, Jeffrey A. Rich, In Sung Jang, Myung Gyoon Lee, Victoria Scowcroft, Mark Seibert
  12. "The Near-infrared Tip of the Red Giant Branch. II. An Absolute Calibration in the Large Magellanic Cloud", The Astrophysical Journal, Volume 858, Issue 1, article id. 12, 9 pp. (2018) (May 2018)
    Taylor J. Hoyt, Wendy L. Freedman, Barry F. Madore, Mark Seibert, Rachael L. Beaton, Dylan Hatt, In Sung Jang, Myung Gyoon Lee, Andrew J. Monson, Jeffrey A. Rich
  13. "SN 2012fr: Ultraviolet, Optical, and Near-infrared Light Curves of a Type Ia Supernova Observed within a Day of Explosion", The Astrophysical Journal, Volume 859, Issue 1, article id. 24, 41 pp. (2018) (May 2018)
    Carlos Contreras, M. M. Phillips, Christopher R. Burns, Anthony L. Piro, B. J. Shappee, Maximilian D. Stritzinger, C. Baltay, Peter J. Brown, Emmanuel Conseil, Alain Klotz, Peter E. Nugent, Damien Turpin, Stu Parker, D. Rabinowitz, Eric Y. Hsiao, Nidia Morrell, Abdo Campillay, Sergio Castellón, Carlos Corco, Consuelo González, Kevin Krisciunas, Jacqueline Serón, Brad E. Tucker, E. S. Walker, E. Baron, C. Cain, Michael J. Childress, Gastón Folatelli, Wendy L. Freedman, Mario Hamuy, P. Hoeflich, S. E. Persson, Richard Scalzo, Brian Schmidt, Nicholas B. Suntzeff
  14. "VizieR Online Data Catalog: The Carnegie-Chicago Hubble Program. II. IC 1613 (Hatt+, 2017)", VizieR On-line Data Catalog: J/ApJ/845/146. Originally published in: 2017ApJ...845..146H (Apr 2018)
    D. Hatt, R. L. Beaton, W. L. Freedman, B. F. Madore, I.-S. Jang, T. J. Hoyt, M. G. Lee, A. J. Monson, J. A. Rich, V. Scowcroft, M. Seibert
  15. "On the RR Lyrae Stars in Globulars. V. The Complete Near-infrared (JHK s ) Census of ω Centauri RR Lyrae Variables", The Astronomical Journal, Volume 155, Issue 3, article id. 137, 27 pp. (2018) (Mar 2018)
    V. F. Braga, P. B. Stetson, G. Bono, M. Dall'Ora, I. Ferraro, G. Fiorentino, G. Iannicola, M. Marconi, M. Marengo, A. J. Monson, J. Neeley, S. E. Persson, R. L. Beaton, R. Buonanno, A. Calamida, M. Castellani, E. Di Carlo, M. Fabrizio, W. L. Freedman, L. Inno, B. F. Madore, D. Magurno, E. Marchetti, S. Marinoni, P. Marrese, N. Matsunaga, D. Minniti, M. Monelli, M. Nonino, A. M. Piersimoni, A. Pietrinferni, P. Prada-Moroni, L. Pulone, R. Stellingwerf, E. Tognelli, A. R. Walker, E. Valenti, M. Zoccali
  16. "The Carnegie Supernova Project I. Photometry data release of low-redshift stripped-envelope supernovae", Astronomy & Astrophysics, Volume 609, id.A134, 18 pp (Feb 2018)
    M. D. Stritzinger, J. P. Anderson, C. Contreras, E. Heinrich-Josties, N. Morrell, M. M. Phillips, J. Anais, L. Boldt, L. Busta, C. R. Burns, A. Campillay, C. Corco, S. Castellon, G. Folatelli, C. González, S. Holmbo, E. Y. Hsiao, W. Krzeminski, F. Salgado, J. Serón, S. Torres-Robledo, W. L. Freedman, M. Hamuy, K. Krisciunas, B. F. Madore, S. E. Persson, M. Roth, N. B. Suntzeff, F. Taddia, W. Li, A. V. Filippenko
  17. "The Carnegie-Chicago Hubble Program. III. The Distance to NGC 1365 via the Tip of the Red Giant Branch", The Astrophysical Journal, Volume 852, Issue 1, article id. 60, 15 pp. (2018) (Jan 2018)
    In Sung Jang, Dylan Hatt, Rachael L. Beaton, Myung Gyoon Lee, Wendy L. Freedman, Barry F. Madore, Taylor J. Hoyt, Andrew J. Monson, Jeffrey A. Rich, Victoria Scowcroft, Mark Seibert
  18. "VizieR Online Data Catalog: Theoretical framework for RR Lyrae. II. MIR data (Neeley+, 2017)", VizieR On-line Data Catalog: J/ApJ/841/84. Originally published in: 2017ApJ...841...84N (Jan 2018)
    J. R. Neeley, M. Marengo, G. Bono, V. F. Braga, M. Dall'Ora, D. Magurno, M. Marconi, N. Trueba, E. Tognelli, P. G. P. Moroni, R. L. Beaton, W. L. Freedman, B. F. Madore, A. J. Monson, V. Scowcroft, M. Seibert, P. B. Stetson
  19. "Companions to isolated elliptical galaxies: revisiting the Bothun-Sullivan sample.", 2004ApJ...607..810M (Jan 2018)
    B. F. Madore, W. L. Freedman, G. D. Bothun
  20. "VizieR Online Data Catalog: Improved reddenings for 59 Galactic Cepheids (Madore+, 2017)", VizieR On-line Data Catalog: J/ApJ/842/42. Originally published in: 2017ApJ...842...42M (Jan 2018)
    B. F. Madore, W. L. Freedman, S. Moak
2017 
  1. "Erratum: “The Carnegie Supernova Project. I. Third Photometry Data Release of Low-redshift Type Ia Supernovae and Other White Dwarf Explosions” (2017, AJ, 154, 211)", The Astronomical Journal, Volume 154, Issue 6, article id. 278, 1 pp. (2017) (Dec 2017)
    Kevin Krisciunas, Carlos Contreras, Christopher R. Burns, M. M. Phillips, Mario Hamuy, Maximilian D. Stritzinger, Jorge Anais, Luis Boldt, Luis Busta, Abdo Campillay, Sergio Castellón, Gastón Folatelli, Wendy L. Freedman, Consuelo González, Eric Y. Hsiao, Wojtek Krzeminski, Nidia Morrell, Sven Eric Persson, Miguel Roth, Francisco Salgado, Jacqueline Serón, Nicholas B. Suntzeff, Simón Torres, Alexei V. Filippenko, Weidong Li, Barry F. Madore, D. L. Depoy, Jennifer L. Marshall, Jean-Philippe Rheault, Steven Villanueva
  2. "Type II Supernova Spectral Diversity. I. Observations, Sample Characterization, and Spectral Line Evolution", The Astrophysical Journal, Volume 850, Issue 1, article id. 89, 30 pp. (2017) (Nov 2017)
    Claudia P. Gutiérrez, Joseph P. Anderson, Mario Hamuy, Nidia Morrell, Santiago González-Gaitan, Maximilian D. Stritzinger, Mark M. Phillips, Lluis Galbany, Gastón Folatelli, Luc Dessart, Carlos Contreras, Massimo Della Valle, Wendy L. Freedman, Eric Y. Hsiao, Kevin Krisciunas, Barry F. Madore, José Maza, Nicholas B. Suntzeff, Jose Luis Prieto, Luis González, Enrico Cappellaro, Mauricio Navarrete, Alessandro Pizzella, Maria T. Ruiz, R. Chris Smith, Massimo Turatto
  3. "The Carnegie Supernova Project. I. Third Photometry Data Release of Low-redshift Type Ia Supernovae and Other White Dwarf Explosions", The Astronomical Journal, Volume 154, Issue 5, article id. 211, 34 pp. (2017) (Nov 2017)
    Kevin Krisciunas, Carlos Contreras, Christopher R. Burns, M. M. Phillips, Maximilian D. Stritzinger, Nidia Morrell, Mario Hamuy, Jorge Anais, Luis Boldt, Luis Busta, Abdo Campillay, Sergio Castellón, Gastón Folatelli, Wendy L. Freedman, Consuelo González, Eric Y. Hsiao, Wojtek Krzeminski, Sven Eric Persson, Miguel Roth, Francisco Salgado, Jacqueline Serón, Nicholas B. Suntzeff, Simón Torres, Alexei V. Filippenko, Weidong Li, Barry F. Madore, D. L. DePoy, Jennifer L. Marshall, Jean-Philippe Rheault, Steven Villanueva
  4. "The Carnegie-Chicago Hubble Program. II. The Distance to IC 1613: The Tip of the Red Giant Branch and RR Lyrae Period-luminosity Relations", The Astrophysical Journal, Volume 845, Issue 2, article id. 146, 24 pp. (2017) (Aug 2017)
    Dylan Hatt, Rachael L. Beaton, Wendy L. Freedman, Barry F. Madore, In-Sung Jang, Taylor J. Hoyt, Myung Gyoon Lee, Andrew J. Monson, Jeffrey A. Rich, Victoria Scowcroft, Mark Seibert
  5. "VizieR Online Data Catalog: CSP-I photometry for 34 supernovae (Stritzinger+, 2018)", VizieR On-line Data Catalog: J/A+A/609/A134. Originally published in: 2018A&A...609A.134S (Aug 2017)
    M. D. Stritzinger, J. P. Anderson, C. Contreras, E. Heinrich-Josties, N. Morrell, M. M. Phillips, J. Anais, L. Boldt, L. Busta, C. R. Burns, A. Campillay, C. Corco, S. Castellon, G. Folatelli, C. Gonzalez, S. Holmbo, E. Y. Hsiao, W. Krzeminski, F. Salgado, J. Seron, S. Torres-Robledo, W. L. Freedman, M. Hamuy, K. Krisciunas, B. F. Madore, S. E. Persson, M. Roth, N. B. Suntzeff, F. Taddia, W. Li, A. V. Filippenko
  6. "VizieR Online Data Catalog: Coulour-Period relation for Cepheids (Scowcroft+, 2016)", VizieR On-line Data Catalog: J/MNRAS/459/1170. Originally published in: 2016MNRAS.459.1170S (Jul 2017)
    V. Scowcroft, M. Seibert, W. L. Freedman, R. L. Beaton, B. F. Madore, A. J. Monson, J. A. Rich, J. R. Rigby
  7. "A Method for Improving Galactic Cepheid Reddenings and Distances", The Astrophysical Journal, Volume 842, Issue 1, article id. 42, 17 pp. (2017) (Jun 2017)
    Barry F. Madore, Wendy L. Freedman, Sandy Moak
  8. "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)
    Jillian R. Neeley, Massimo Marengo, Giuseppe Bono, Vittorio F. Braga, Massimo Dall'Ora, Davide Magurno, Marcella Marconi, Nicolas Trueba, Emanuele Tognelli, Pier G. Prada Moroni, Rachael L. Beaton, Wendy L. Freedman, Barry F. Madore, Andrew J. Monson, Victoria Scowcroft, Mark Seibert, Peter B. Stetson
  9. "Correction: Cosmology at a crossroads", Nature Astronomy, Volume 1, id. 0169 (2017) (Jun 2017)
    Wendy L. Freedman
  10. "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)
    A. J. Monson, R. L. Beaton, V. Scowcroft, W. L. Freedman, B. F. Madore, J. A. Rich, M. Seibert, J. A. Kollmeier, G. Clementini
  11. "Cosmology at a crossroads", Nature Astronomy, Volume 1, id. 0121 (2017) (May 2017)
    Wendy L. Freedman
  12. "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)
    V. F. Braga, P. B. Stetson, G. Bono, M. Dall'Ora, I. Ferraro, G. Fiorentino, L. M. Freyhammer, G. Iannicola, M. Marengo, J. Neeley, E. Valenti, R. Buonanno, A. Calamida, M. Castellani, R. da Silva, S. Degl'Innocenti, A. di Cecco, M. Fabrizio, W. L. Freedman, G. Giuffrida, J. Lub, B. F. Madore, M. Marconi, S. Marinoni, N. Matsunaga, M. Monelli, S. E. Persson, A. M. Piersimoni, A. Pietrinferni, P. Prada-Moroni, L. Pulone, R. Stellingwerf, E. Tognelli, A. R. Walker
  13. "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)
    J. A. Rich, S. E. Persson, W. L. Freedman, B. F. Madore, A. J. Monson, V. Scowcroft, M. Seibert
  14. "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)
    Andrew J. Monson, Rachael L. Beaton, Victoria Scowcroft, Wendy L. Freedman, Barry F. Madore, Jeffrey A. Rich, Mark Seibert, Juna A. Kollmeier, Gisella Clementini
  15. "Increasing Accuracy and Increasing Tension in Ho", American Astronomical Society, AAS Meeting #229, id.234.01 (Jan 2017)
    Wendy L. Freedman
2016 
  1. "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)
    V. F. Braga, P. B. Stetson, G. Bono, M. Dall'Ora, I. Ferraro, G. Fiorentino, L. M. Freyhammer, G. Iannicola, M. Marengo, J. Neeley, E. Valenti, R. Buonanno, A. Calamida, M. Castellani, R. da Silva, S. Degl'Innocenti, A. Di Cecco, M. Fabrizio, W. L. Freedman, G. Giuffrida, J. Lub, B. F. Madore, M. Marconi, S. Marinoni, N. Matsunaga, M. Monelli, S. E. Persson, A. M. Piersimoni, A. Pietrinferni, P. Prada-Moroni, L. Pulone, R. Stellingwerf, E. Tognelli, A. R. Walker
  2. "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)
    Rachael L. Beaton, Wendy L. Freedman, Barry F. Madore, Giuseppe Bono, Erika K. Carlson, Gisella Clementini, Meredith J. Durbin, Alessia Garofalo, Dylan Hatt, In Sung Jang, Juna A. Kollmeier, Myung Gyoon Lee, Andrew J. Monson, Jeffrey A. Rich, Victoria Scowcroft, Mark Seibert, Laura Sturch, Soung-Chul Yang
  3. "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)
    Erika K. Carlson, Barry F. Madore, Wendy L. Freedman
  4. "Accepted Facts in Observational Cosmology", American Astronomical Society, AAS Meeting #228, id.204.01 (Jun 2016)
    Wendy L. Freedman
  5. "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)
    V. Scowcroft, W. L. Freedman, B. F. Madore, A. Monson, S. E. Persson, J. Rich, M. Seibert, J. R. Rigby
  6. "The Next Generation of Optical Telescopes", APS April Meeting 2016, abstract id. Y7.001 (Mar 2016)
    Wendy L. Freedman