Discovery of a Mid-L Dwarf Companion to the L 262-74 System
L\'eopold Gramaize, Adam C. Schneider, Federico Marocco, Jacqueline K., Faherty, Aaron M. Meisner, J. Davy Kirkpatrick, Mark Popinchalk, Austin, Rothermich, Marc J. Kuchner, The Backyard Worlds: Planet 9 Collaboration
TL;DR
This paper reports the discovery of a wide low-mass mid-L dwarf companion to the nearby L 262-74 system, identified via citizen science, with details on its properties and estimated separation.
Contribution
It introduces a new wide low-mass companion to a known system, identified through citizen science, expanding knowledge of stellar multiplicity.
Findings
Companion is a mid-L dwarf candidate.
Projected separation is approximately 1837 au.
Discovered using the Backyard Worlds citizen science project.
Abstract
We present the discovery of CWISE J151044.74524923.5, a wide low-mass companion to the nearby (24.7 pc) system L 262-74, which was identified through the Backyard Worlds: Planet 9 citizen science project. We detail the properties of the system, and we assess that this companion is a mid-L dwarf, which will need to be verified spectroscopically. With an angular separation of 74\farcs3, we estimate a projected physical separation of 1837 au from the central system.
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