Study of Eclipsing Binary and Multiple Systems in OB Associations V: MQ Cen in Crux OB1

V. Bakis, Z. Mikulasek, J. Janik +6

The early-type massive binary MQ Cen (P${}_{orb}$=3.7 d) has been investigated by means of high-resolution ($R\sim 48000$) spectral analysis and multi-band (Johnson $BVRI$ and Ström…