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astro-ph2000
Identification of the donor in GRS 1915+105
J. Greiner, M. J. McCaughrean, J. G. Cuby +2
We report on the results of medium-resolution spectroscopy of GRS 1915+105 in the H and K band using the 8m VLT at ESO. We clearly identify absorption bandheads from CO12 and CO13.…
astro-ph2000
Halpha emitting galaxies and the cosmic star formation rate at z = 2.2
Alan F. M. Moorwood, Paul P. van der Werf, Jean Gabriel Cuby +1
About 10 candidate Halpha emitting galaxies at z = 2.2 have been detected in a 2.1 um narrow band imaging survey covering an area of 100 sq. arcmin including the WFPC2 and STIS fie…
astro-ph2000
Direct imaging search for planetary companions next to young nearby stars
R. Neuhaeuser, E. Guenther, W. Brandner +6
We report first results from our ground-based infrared imaging search for sub-stellar companions (brown dwarfs and giant planets) of young (up to 100 Myrs) nearby (up to 75 pc) sta…