L-band (3.5 micron) IR-excess in massive star formation, I. 30 Doradus

M. Maercker, M. G. Burton

L-band data of 30 Doradus at 3.5 micron taken with SPIREX (South Pole Infrared Explorer) is presented. The photometry was combined with 2MASS JHK data at 1.25-2.2 micron. Colour-co…