SIMBAD references

2024RNAAS...8..294G - Research Notes of the AAS, 8, 294 (2024/November-0)

Spectroscopic Analysis of CWISE J151044.74-524923.5, A Wide L Dwarf Companion to the L 262-74 System.

GRAMAIZE L., SCHNEIDER A.C., BICKLE T.P., GAGNE J., ROTHERMICH A., MAROCCO F., FAHERTY J.K., MEISNER A.M., KIRKPATRICK J.D., POPINCHALK M., KUCHNER M.J. (The Backyard Worlds: Planet 9 Collaboration)

Abstract (from CDS):

We present the spectroscopy of CWISE J151044.74-524923.5, a wide low-mass companion to the nearby (∼24.7 pc) L 262-74 system. Analyzing the near-infrared spectrum obtained with the TripleSpec4 spectrograph on the Southern Astrophysical Research Telescope, we confirm that it is a brown dwarf with unusually red colors. Although this redness can be characteristic of young, low-gravity brown dwarfs, we assess that this object is likely a field object being reddened by factors other than youth. We assign it a spectral type of L6 (pec). Finally, we highlight new TESS data that provide further evidence of the multiplicity of the central system.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Spectroscopy - Near infrared astronomy - Multiple stars - L dwarfs - Brown dwarfs

Simbad objects: 6

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