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A Wide Planetary Mass Companion Discovered through the Citizen Science Project Backyard Worlds: Planet 9

  • Authors: Jacqueline K. Faherty, Jonathan Gagné, Mark Popinchalk, Johanna M. Vos, Adam J. Burgasser, Jörg Schümann, Adam C. Schneider, J. Davy Kirkpatrick, Aaron M. Meisner, Marc J. Kuchner, Daniella C. Bardalez Gagliuffi, Federico Marocco, Dan Caselden, Eileen C. Gonzales, Austin Rothermich, Sarah L. Casewell, John H. Debes, Christian Aganze, Andrew Ayala, Chih-Chun Hsu, William J. Cooper, R. L. Smart, Roman Gerasimov, and Christopher A. Theissen

2021 The Astrophysical Journal 923 48.

  • Provider: AAS Journals

Caption: Figure 9.

Top: the Gaia color–magnitude diagram for both the field sample and the 150 pc sample of young stars discussed in Gagné & Faherty (2018). We have zoomed in on the position of BD+60 1417 as an inset to show the closest isochrone. Bottom: Galaxy Evolution Explorer (GALEX) to Gaia (NUV−G) color vs. Gaia (GGRP) for both the field sample and the 150 pc sample of 10–150 Myr young stars from Gagné & Faherty (2018). The position of BD+60 1417 is marked by a red five-point star.

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