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TOI-2155 b: A Massive Brown Dwarf or a Very Low-mass Star?

  • Authors: Md Redyan Ahmed, Tansu Daylan, Theron W. Carmichael, Sarah L. Casewell, Anita Hafner, Jaime A. Alvarado-Montes, Allyson Bieryla, Samuel N. Quinn, Michael Calkins, Karen A. Collins, Cristilyn N. Watkins, Keivan G. Stassun, Boris S. Safonov, Maria V. Goliguzova, Giuseppe Marino, Dennis M. Conti, Peter Tuthill

Md Redyan Ahmed et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 6.

Lomb–Scargle periodogram of the out-of-transit TESS light curve of TOI-2155 of sector 52. The dominant peak occurs near 4.87 days and may correspond to the stellar rotation period. Signals near half this period could represent harmonic variability.

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