Discovery of a Low-mass Comoving System Using NOIRLab Source Catalog DR2

/ Authors

Frank Kiwy, J. Faherty, A. Meisner, A. Schneider, J. Kirkpatrick, M. Kuchner, A. Burgasser, S. Casewell, Rocio Kiman, Emily Calamari

and 5 more authors

C. Aganze, Chih-Chun Hsu, Arttu Sainio, Vinod Thakur, T. P. Collaboration

/ Abstract

We present the discovery of a low-mass comoving system found by means of the NOIRLab Source Catalog DR2. The system consists of the high proper-motion star LEHPM 5005 and an ultracool companion 2MASS J22410186-4500298 with an estimated spectral type of L2. The primary (LEHPM 5005) is likely a mid-M dwarf but over-luminous for its color, indicating a possible close equal mass binary. According to the Gaia EDR3 parallax of the primary, the system is located at a distance of 58 ± 2 pc. We calculated an angular separation of 7.″2 between both components, resulting in a projected physical separation of 418 au.

Journal: Research Notes of the AAS

DOI: 10.3847/1538-3881/ac68e7