The present observations were made under a collaborative project between TIFR and PRL. We thank the staff at Mt. Abu IR Telescope facility for support during observations. We especially thank the referee Dr. Todd R. Hunter for his very useful comments on the paper which significantly improved the quality of the paper. This publication makes use of data products from the Two Micron All Sky Survey, which is a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center, funded by the National Aeronautics and Space Administration and the National Science Foundation. This research has made use of the SIMBAD database, operated at CDS, Strasbourg, France.
© European Southern Observatory (ESO) 2000
Online publication: January 29, 2001