%AMeisner, Aaron%AFaherty, Jacqueline%AKirkpatrick, J.%ASchneider, Adam%ACaselden, Dan%AGagné, Jonathan%AKuchner, Marc%ABurgasser, Adam%ACasewell, Sarah%ADebes, John%AArtigau, Étienne%ABardalez Gagliuffi, Daniella%ALogsdon, Sarah%AKiman, Rocio%AAllers, Katelyn%AHsu, Chih-chun%AWisniewski, John%AAllen, Michaela%ABeaulieu, Paul%AColin, Guillaume%ADurantini Luca, Hugo%AGoodman, Sam%AGramaize, Léopold%AHamlet, Leslie%AHinckley, Ken%AKiwy, Frank%AMartin, David%APendrill, William%ARothermich, Austin%ASainio, Arttu%ASchümann, Jörg%AAndersen, Nikolaj%ATanner, Christopher%AThakur, Vinod%AThévenot, Melina%AWalla, Jim%AWędracki, Zbigniew%AAganze, Christian%AGerasimov, Roman%ATheissen, Christopher%Anull Ed.%BJournal Name: The Astrophysical Journal; Journal Volume: 899; Journal Issue: 2 %D2020%I %JJournal Name: The Astrophysical Journal; Journal Volume: 899; Journal Issue: 2 %K %MOSTI ID: 10280871 %PMedium: X %TSpitzer Follow-up of Extremely Cold Brown Dwarfs Discovered by the Backyard Worlds: Planet 9 Citizen Science Project %X %0Journal Article