Optical spectrum and SED of 2MASS J12014343 (ID#11). a) The optical spectrum of source ID#11 (black line) and of a similarly underluminous object in L1641 (L1641-ID#122, grey line, Fang et al. 2009). b) The SED of source ID#11. The photospheric emission level is indicated with a grey solid curve. The open circles show the broad-band photometry of ID#11, and the IRS spectrum of this source is shown in black. The photometry of underluminous source L1641-ID#122 is depicted with the open squares connected by dashed line for comparison and shows striking resemblance to that of ID#11 at mid-infrared wavelengths. The dash-dotted line presents the median SED of the distributed disk population in L1641 (Fang et al. 2009).