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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 9.

Upper left panel: sky position in R.A. and decl. for the 52 quadruple candidates presented here (red stars). The black dots represent the other 198 targets in the TGV catalog, and the blue line represents the Galactic plane. Upper right: corresponding Gaia DR3 composite effective temperature as a function of TESS magnitude. Lower panels: Gaia DR3 astrometric excess noise (AEN), astrometric excess noise sig (AENS), and renormalized unit weight error (RUWE); AEN and AENS are in units of milliarcsec. Note the axes are in log10 base. The dashed vertical line in the right panel represents RUWE = 1.4, a potential indicator for unresolved companions.

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