Parihar, P.; Messina, S.; Distefano, E.; Shantikumar, N. S.; Medhi, B. J.
(2009)
Since 2004, we have been engaged in a long-term observing programme to monitor young
stellar objects (YSOs) in the Orion Nebula Cluster (ONC). We have collected about 2000
frames in V, R and I broad-band filters on more ...