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52 Eclipsing Quadruple Star Candidates Discovered in TESS Full Frame Images

  • Authors: V. B. Kostov, B. P. Powell, S. A. Rappaport, T. Borkovits, R. Gagliano, M. Omohundro, T. L. Jacobs, M. H. Kristiansen, G. Torres, G. Handler, A. R. Schmitt, H. M. Schwengeler, T. Mitnyan, I. A. Terentev, D. M. LaCourse, A. Vanderburg, S. D. Alexandrov, C. M. da Silva, Marco Z. Di Fraia, Aline U. Fornear, M. Huten, D. Iannone, Julien S. de Lambilly, S. Lee, J. Orosz, R. Rodrigues, A. Tarr, W. Welsh

V. B. Kostov et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 8.

Measured anticorrelated ETVs for the PA ≈ 4.86 days component (left panel, average of primary and secondary eclipses) and PB ≈ 8.17days components (right panel, primary (red) and secondary (blue) eclipses) for TIC 48089827. The two EBs produce dramatic, anticorrelated ETVs that confirm the target as a genuine quadruple system. The solid curves represent the best-fit models indicating that the ETVs are dominated by the light travel-time effect, and suggesting an outer period of about 1400 days.

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