“Phase 1 results from HERA”, URSI, Jan 2023

“Advances in space-based 21cm observations”, URSI-National Radio Science Meeting, January 2023

“Recent developments in instruments for high redshift 21cm and exoplanets.”
Two showings

  • Trottier Space Institute, McGill, November 2022
  • University of British Columbia, December 2022

A roadmap to space-based 21cm observations, URSI General Assembly May 2022

Second round of results from HERA, AAS  June, 2022

First Major Results from HERA, School of Earth and Space Exploration, September 2021

“Deployable Optical Receiver Array”, NESS Site Visit, November 2020 (pdf)

“Precision Interferometry Simulation for 21cm Cosmology”, Brookhaven National Lab, October 2020 (pdf)

“The Deployable Optical Receiver Array: A testbed for a cubesat interferometry cross-link”, ASU eCoffee, Sept 2020 (pdf)

“Drone-based Beam Mapping of the LWA.”, University of New Mexico, LWA Users Meeting, July 2020 (pptx)

“Hunt for the 21cm signature of Cosmic Dawn and the Epoch of Reionization. A decade in review”, National Radio Astronomy Observatory, Feb 2020 (pdf)

“The Airborne External Calibration for Precision Low Frequency Instrumentation”, Cal Tech, March 2019 (pdf)

“21cm Intensity Mapping: Past, Present and Future”, Uchicago Kavli, Feb 8 2018

“Cubesats for Science and Education”, ASU, March 2017

“Cosmology with the Hydrogen Epoch of Reionization Array”, Embry Riddle University, Prescott, AZ, March 10, 2017

“Cosmology with the Hydrogen Epoch of Reionization Array”, University of Missouri, March 2017

“Cosmology with the Hydrogen Epoch of Reionization Array”, University of Toronto, Jan 2017

“Early Science from the Hydrogen Epoch of Reionization Array”, AAS, Jan 4 2017,pdf

“New Horizons in Astrophysics: Exoplanets and the Cosmic Dawn”, SESE Colloquium, 15 Sept 2016 (pdf, animations, recording)

“MWA 21cm Project Update”, Kavli HI 21cm Workshop, Cambridge UK, June 2016

“21cm Cosmology with PAPER and HERA”, APS April Meeting, Salt Late City, 2016

“The Hydrogen Epoch of Reionization Array”, Invited Talk, Intensity Mapping 2016, SLAC, March 2016

“Current Problems in 21cm Intensity Mapping”, Invited Talk, Intensity Mapping 2016, SLAC, March 2016

“Current results from PAPER and HERA”, First Galaxies and Reionization, Aspen, March 2016

“The External Calibrator for Hydrogen Observatories”, URSI Boulder, January, 2016

“The External Calibrator for Hydrogen Observatories”, Low Frequency Astronomy (The Second Tempe Meeting), Albuquerque, NM, December 2015

Lecture: Sante Fe Cosmology Summer School, “21cm Cosmology”, July 2015 (pdf)

“Chasing our Cosmic Dawn”, University of Utah, April 2015

“Chasing our Cosmic Dawn: Opening the 21cm Cosmological Window on the Universe”  February 2015

The below 5 talks were variations on the theme of an overview of 21cm cosmology with PAPER, MWA and HERA from the month of February. Here I include the slides from one example: pdf

  • Jan 27: UW-Madison, WI
  • Jan 30: University of Illinois, Urbana-Champaign, IL
  • Feb 13: Brown University, Providence, RI
  • Feb 19: Institute of Advanced Study, Princeton, IL
  • Feb 24: CCAPP, The Ohio State University, OH

Murchison Widefield Array: Epoch of Reionization update: Tempe Low Frequency 2014pdf

Some HERA slides, June 2014:key, pdf,ppt

Development and Status of Early Pipelines for MWA and PAPER, AASTCS 2: Exascale Radio Astronomy, Monterey, CA, 1 April 2014key, pdf

LoCo1: Pathfinding space-based low frequency cosmology, URSI, Boulder, Co, 8 Jan 2014,pdf

Shedding light on foregrounds with new MWA and PAPER data, URSI, Boulder, CO, 8 Jan 2014,key,pdf

Probing the Epoch of Reionization with Low Frequency Radio Arrays, Colloquium @ UW Milwaukee, 21 Nov 2013,pdf,key

Hydrogen Epoch of Reionization Arrays, Santa Fe summer school, 19 July 2013 pdf,key

Detecting the Largest Structures in the Universe, ASU Open Door, 26 March 2013, pdf

Methods for Detecting the Percolation of Photons in the Early Universe, BASP Frontiers, 2013,pdf

Comparing MWA/PAPER Instrument Performance, AAS, 6 Jan 2013, key

Reionization Foregrounds, Keck Low-frequency cubesat workshop, 11 July 2012, pdf