Large collaboration in observational astronomy: the Gemini Planet Imager exoplanet survey case

TL;DR

This paper discusses the organizational structure, coordination strategies, and lessons learned from the large-scale GPIES exoplanet survey, highlighting how effective collaboration enhances scientific productivity in astronomical research.

Contribution

It introduces a successful model for coordinating large, multi-institutional astronomical surveys using decentralized management and modern communication tools.

Findings

Decentralized team structure improves collaboration efficiency.

Clear policies and signed agreements foster effective teamwork.

Modern communication tools facilitate data sharing and coordination.

Abstract

The Gemini Planet Imager (GPI) is a next-generation high-contrast imager built for the Gemini Observatory. The GPI exoplanet survey (GPIES) consortium is made up of 102 researchers from 28 institutions in North and South America and Europe. In November 2014, we launched a search for young Jovian planets and debris disks. In this paper, we discuss how we have coordinated the work done by this large team to improve the technical and scientific productivity of the campaign, and describe lessons we have learned that could be useful for future instrumentation-based astronomical surveys. The success of GPIES lies mostly on its decentralized structure, clear definition of policies that are signed by each member, and the heavy use of modern tools for communicating, exchanging information, and processing data.