Memos

Commissioning Memos

Memos covering early analysis of data from HERA.

#015 2016/08/01 H19 Commissioning: Closure Phases and Redundancy, (v2) Carilli

#016 2017/04/03 H19 Commissioning: System Temperature and a first Jy scale. Beardsley (updated 3 April 2017)

#017 2016/06/01 HERA Calibration Sources  Jacobs

#019 2016/10/01 RFI in HERA19, Kohn

#022 2016/12/01 Calibrating HERA-19 with a Galactic Centre Observation, Bojan Nikolic, Chris Carilli, Peter Sims, December 2016

#023 2017/03/01 HERA-19 Commissioning: Results from Sky Calibration, C.L. Carilli, B. Nikolic, K. Gale-Sides

#026 2017/03/31 HERA Noise Analysis P. Mathieu and J. Pober

#033 2017/07/01 More Results from Sky Calibration HERA,C.L. Carilli, B. Nikolic, K. Gale-Sides, G. Bernardi

#034 2017/07/25 Modeling Sky Temperature, Parsons and Beardsley

#035 2017/9/01 A closer look at closure, Carilli & Nikolic

#039 2017/11/06, A Survey of HERA HC1 150 m cabe reflections, Aaron Ewall-Wice NEW

#041 2017/12/13, Sky-based Antenna Delays As A Starting Point For Redundant Calibration, Nicholas S. Kern, Chris Carilli, Saul Kohn, Josh Dillon, Aaron R. Parsons, Zaki S. Ali

#042 2018/01/19, Absolute Calibration Of HERA-47 IDR1, Nicholas Kern, Gianni Bernardi, Chris Carilli

All HERA Memos

#000 2013/06/01 Imaging sensitivity estimates for HERA, Danny Jacobs

#001 2015/01/01 Confusion Limited Imaging on PSA64, Chris Carilli

#002 2015/03/01 HERA Blind Data Challenge Busy Week Summary The Ohio State University
February 23-25, 2015 , Jonathan Pober (auth), atten:Josh Dillon, Bryna Hazelton, Danny Jacobs, Lindley Lentati, Jonathan Pober, Peter Sims, Paul Sutter

#003 2015/04/01 The Effect of Primary Beam Sidelobes on Delay and Fringe Rate Transforms, J. Pober

#004 2015/04/01 Updated 21 cm Experiment Sensitivities (2015), J. Pober

#005 2015/08/01 Configuration of the HERA element (ie the dish design) Updated. D. DeBoer & A. Parsons

#006 2015/08/01 Crosstalk Measurements from PAPER-64, S.A. Kohn & J.E. Aguirre (August 2015)

#007 2015/09/01 The HERA RFI Environment, S.A. Kohn

#008 2015/10/1 The HERA Observing Season, J. Dillon and D. Jacobs (October 2015)

#009 2015/01/01
HERA_dish_reflectometry Nipanjana Patra, Zaki Ali, Carina Cheng, Dave DeBoer, Gilbert Hsyu, Tsz Kuk Leung, Aaron Parsons

#010 2015/11/01 System Temperatures of 21 cm Arrays, D. Jacobs, A. Beardsley, B. Hazelton, N. Thyagarajan, C. Trott

#011 2015/12/01 HERA Phase I Feed, D. DeBoer

#012 2016/05/05 HERA Imaging: Mock Observations using CASA, , C. Carilli, P. Sims

#013 2016/05/05 HERA Mock Observations: Looking for Closure  C. Carilli, P. Sims

#014 2016/06/17 HERA Mock Observations: Temporal Variations of Visibilities for a Transit Array, C. Carilli, P. Sims

#015 2016/08/09 H19 Commissioning: Closure Phases and Redundancy  Carilli

#016 2016/07/01 H19 Commissioning: System Temperature and a first Jy scale.   Adam Beardsley

#017 2016/6/17 HERA Calibration Sources   Jacobs   (June 2016)

#018 2016/10/30 Calibration of Quasi-Redundant Interferometers, John Sievers

#019 2016/9/1 RFI in HERA19,  Kohn

#020 2016/10/01 HERA S11 Feed Specification, Aaron Parsons

#021 2016/12/01 CST simulation of HERA and comparison with measurements, Nicolas Fagnoni, Eloy de Lera Acedo

#022 2016/12/20 Calibrating HERA-19 with a Galactic Centre Observation Bojan Nikolic, Chris Carilli, Peter Sims

#023 2017/03/01 HERA-19 Commissioning: Results from Sky Calibration, C.L. Carilli, B. Nikolic, K. Gale-Sides2

#024 2017/03/02 Omnical degeneracy removal, J. Dillon, A. Parsons

#025 2017/03/03 Minimum RF-Over-Fiber Cable Length, A. Parsons

#026 2017/03/31 HERA Noise Analysis, P. Mathieu and J. Pober

#027 2017/04/06 Power Spectrum Normalizations for HERA, A. Parsons

#028 2017/04/21 Imaging Capabilities of Outriggers in HERA-61, M. Kolopanis

#029 2017/05/25 Electromagnetic and electrical co-simulation of the HERA analogue system with CST – Delay spectrum response and sensitivity calculation, Nicolas Fagnoni, Eloy De Lera Acedo, Christos Kolitsidas

#030 2017/07/10 Redundant Calibration Degeneracies with Four Polarizations Josh Dillon, Adrian Liu, Saul Kohn, Nick Kern, and Aaron Parsons

#031 2017/07/12 The New HERA 75 Ohm Receiver system, Nima Razavi-Ghods, Steve Carey, John Ely, Tian Huang

#032 2017/07/12 RF installation of new HERA receiver systemSteven Carey, John Ely, Nima Razavi-Ghods

#033 2017/7/1 More Results from Sky Calibration HERA,C.L. Carilli, B. Nikolic, K. Gale-Sides, G. Bernardi

#034 2017/8/25 Modeling Sky Temperature, Parsons and Beardsley

#035 2017/9/01 A closer look at closure, Carilli & Nikolic

#036 2017/08/15, A figure of merit for constraining instrumental polarization systematics in the delay spectrum, Zak Martinot

#037 2017/09/20, Sky-based Calibration Procedures for FHD Using a Comprehensive Signal Path Framework, Nichole Barry

#038 2017/10/24, The “Hydrogen Epoch of Reionization Array” (HERA) – Improvement of the antenna response with a matching network and scientific impacts, Nic Fagnoni and Eloy De Lera Acedo

#039 2017/11/06, A Survey of HERA HC1 150 m cabe reflections, Aaron Ewall-Wice

#040 2017/11/20, Identifying Antenna Swaps with HERA Metrics, Kevin McNulty, Adam Beardsley

#041 2017/12/13, Sky-based Antenna Delays As A Starting Point For Redundant Calibration, Nicholas S. Kern, Chris Carilli, Saul Kohn, Josh Dillon, Aaron R. Parsons, Zaki S. Ali

#042 2018/01/19, Absolute Calibration Of HERA-47 IDR1, Nicholas Kern, Gianni Bernardi, Chris Carilli

#043 2018/02/06, Updated power spectrum normalization NEW

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