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arxiv: 1907.07348 · v1 · pith:ZGFVP777new · submitted 2019-07-17 · 🌌 astro-ph.IM · astro-ph.HE· physics.ed-ph

NANOGrav Education and Outreach: Growing a Diverse and Inclusive Collaboration for Low-Frequency Gravitational Wave Astronomy

The NANOGrav Collaboration , P. T. Baker , H. Blumer , A. Brazier , S. Chatterjee , B. Christy , F. Crawford , M. E. DeCesar
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T. Dolch N. E. Garver-Daniels J. S. Hazboun K. Holley-Bockelmann D. L. Kaplan J .S. Key T. C. Klein M. T. Lam N. Lewandowska D. R. Lorimer R. S. Lynch M. A. McLaughlin N. McMann J. Page N. T. Palliyaguru J. D. Romano X. Siemens J. K. Swiggum S. R. Taylor K. Williamson
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Pith reviewed 2026-05-24 20:20 UTC · model grok-4.3

classification 🌌 astro-ph.IM astro-ph.HEphysics.ed-ph
keywords NANOGravpulsar timing arraysgravitational wave astrophysicseducation outreachdiversity inclusioncollaboration policiesstudent training
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The pith

NANOGrav involves students at all levels and sets policies to build a diverse team for pulsar timing array research.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper lays out concrete steps the NANOGrav collaboration has taken to train students from undergraduate through postdoctoral levels in low-frequency gravitational wave detection using pulsar timing arrays. It pairs those training efforts with explicit collaboration rules meant to open participation to people from many backgrounds. The authors present these steps as a practical way to meet the field's need for new researchers while shaping an inclusive community from the beginning. A sympathetic reader would see value in the account because it supplies a working example that other large, distributed science groups could copy.

Core claim

The NANOGrav NSF Physics Frontiers Center has developed programs that engage students at every stage of training in low-frequency gravitational wave astrophysics with pulsar timing arrays and has adopted collaboration policies that promote broad participation by diverse groups, with the impact of these choices illustrated as a case study for other distributed collaborations.

What carries the argument

Student involvement programs spanning all education levels together with collaboration policies that enforce broad participation by diverse groups.

Load-bearing premise

The described student programs and policies have produced or will produce measurable growth in participation and diversity.

What would settle it

Demographic records of NANOGrav members over several years that show no increase in the fraction of participants from groups historically underrepresented in astronomy.

Figures

Figures reproduced from arXiv: 1907.07348 by A. Brazier, B. Christy, D. L. Kaplan, D. R. Lorimer, F. Crawford, H. Blumer, J. D. Romano, J. K. Swiggum, J. Page, J. S. Hazboun, J .S. Key, K. Holley-Bockelmann, K. Williamson, M. A. McLaughlin, M. E. DeCesar, M. T. Lam, N. E. Garver-Daniels, N. Lewandowska, N. McMann, N. T. Palliyaguru, P. T. Baker, R. S. Lynch, S. Chatterjee, S. R. Taylor, T. C. Klein, T. Dolch, The NANOGrav Collaboration, X. Siemens.

Figure 1
Figure 1. Figure 1: NANOGrav’s EPO pyramid demonstrates the importance of initiating broad and inclusive outreach efforts if one wants to ultimately build a well-trained and diverse scientific community. Our efforts are designed to reach a variety of audiences at all levels through a range of initiatives. The sizes of the pyramid at the different levels reflect those of the intended audiences. The dimen￾sionality represents o… view at source ↗
Figure 2
Figure 2. Figure 2: Graduate student Alex McEwen from University of Wisconsin-Milwaukee (and former NANOGrav undergraduate researcher at WVU) gives a SPOT presentation to second grade students at Hartford Avenue University School in Milwaukee, Wisconsin. draw heavily from modern techniques like 3D printing and Arduino microcontrollers. Many of the exhibit materials are now regularly used at NANOGrav outreach events around the… view at source ↗
Figure 3
Figure 3. Figure 3: PSC participants at the camp in Green Bank (left) and students presenting their work during the camp (right). 3.3. ENGAGE: Pulsar Search Collaboratory (PSC) The PSC program, originally funded through the NSF AISL program (award number 0737641), began in 2007 as a collaboration between GBO and West Virginia University (WVU). The PSC engages middle and high-school students and their teachers in searching for… view at source ↗
Figure 4
Figure 4. Figure 4: STARS students observe at the Green Bank Telescope control room (left) and remotely for Arecibo timing observations (right). PSC students are not “playing the part” of scientists but truly contributing to the work of the collaboration and, more broadly, the scientific community. 3.4. EDUCATE: Student Teams of Astrophysics ResearcherS (STARS) The NANOGrav STARS program engages undergraduate students at NANO… view at source ↗
Figure 5
Figure 5. Figure 5: NANOGrav undergraduates at a student workshop at Arecibo Observatory in Puerto Rico. In 2019, NANOGrav had 90 undergraduate students involved in NANOGrav research, including 60 regularly attending STARS telecons, across eight institutions. 77 students have participated in research abroad (see the IRES program below) and 11 NANOGrav publications in the past two years included undergraduate co-authors. We no… view at source ↗
Figure 6
Figure 6. Figure 6: IRES undergraduate students in Beijing (left) and at the Five-hundred-meter Aperture Spherical radio Telescope (FAST) in China (right). 3.5. EDUCATE: Undergraduate Education Several NANOGrav online resources have been developed in order to educate undergraduates in PTA science, in￾cluding http://gravcalc.org and http://simulator.nanograv.org. These are helpful for students who are not already part of the t… view at source ↗
read the original abstract

The new field of gravitational wave astrophysics requires a growing pool of students and researchers with unique, interdisciplinary skill sets. It also offers an opportunity to build a diverse, inclusive astronomy community from the ground up. We describe the efforts used by the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) NSF Physics Frontiers Center to foster such growth by involving students at all levels in low-frequency gravitational wave astrophysics with pulsar timing arrays (PTAs) and establishing collaboration policies that ensure broad participation by diverse groups. We describe and illustrate the impact of these techniques on our collaboration as a case study for other distributed collaborations.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

1 major / 0 minor

Summary. The manuscript describes the education, outreach, and collaboration policies of the NANOGrav NSF Physics Frontiers Center aimed at involving students at all levels in low-frequency gravitational wave astrophysics via pulsar timing arrays and at ensuring broad participation by diverse groups. It presents these activities as a case study whose impact is illustrated for other distributed collaborations.

Significance. A clear, replicable account of organizational practices for student engagement and inclusion could serve as a practical reference for other large collaborations seeking to broaden participation. The value is reduced by the purely descriptive approach; without metrics the manuscript functions more as an activity report than as evidence that the described methods produce measurable growth or diversity gains.

major comments (1)
  1. [Abstract] Abstract: the statements that the policies 'ensure broad participation by diverse groups' and that the techniques 'illustrate the impact' are presented as outcomes, yet the manuscript supplies no demographic statistics, participation counts, retention rates, or before-after comparisons to support these effectiveness claims.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for their review and for highlighting the need for clarity in how the manuscript presents its claims. We address the major comment below.

read point-by-point responses

  1. Referee: [Abstract] Abstract: the statements that the policies 'ensure broad participation by diverse groups' and that the techniques 'illustrate the impact' are presented as outcomes, yet the manuscript supplies no demographic statistics, participation counts, retention rates, or before-after comparisons to support these effectiveness claims.

    Authors: We agree that the abstract language implies measurable outcomes that the manuscript does not quantitatively support. The paper is a descriptive case study of organizational practices rather than an evaluation of their effectiveness. We will revise the abstract to remove any suggestion of proven results (e.g., changing 'ensure broad participation' to 'promote broad participation' and 'illustrate the impact' to 'describe our efforts'). This change will be incorporated in the revised manuscript. revision: yes

Circularity Check

0 steps flagged

No circularity: purely descriptive outreach case study with no derivations or predictions

full rationale

The manuscript contains no derivation chain, equations, fitted parameters, predictions, or first-principles results. It is a narrative description of student involvement programs and collaboration policies, illustrated with examples but without any reduction of claims to self-referential inputs. No self-citations are used to establish uniqueness theorems or to smuggle ansatzes. The absence of demographic metrics or before-after data is a limitation on the strength of the effectiveness claim, but that is an evidentiary gap rather than circularity. The paper is self-contained as an organizational case study.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

No mathematical claims, fitted parameters, or new physical entities are introduced; the paper is a descriptive account of collaboration practices.

pith-pipeline@v0.9.0 · 5801 in / 989 out tokens · 17308 ms · 2026-05-24T20:20:51.800934+00:00 · methodology

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Reference graph

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