A 2+1+1 quadruple star system containing the most eccentric, low-mass, short-period, eclipsing binary known

E. Han, S. A. Rappaport, A. Vanderburg +12

We present an analysis of a newly discovered 2+1+1 quadruple system with TESS containing an unresolved eclipsing binary (EB) as part of TIC 121088960 and a close neighbor TIC 12108…