the first results of the isophot gt programme cleinert/herbigae show that the spectral energy distribution of young premain sequence herbig ae/be stars peaks between 100um and 200um. the bulk of the f
The BV photometric investigation of the Southern globular cluster NGC 1904 was carried out using the 1m telescope of Cerro Las Campanas (CARSO, 2 nights in February 1973 and 2...
GTThe activity of 47 Cas with about 1000 times the Sun.s Xray luminosity isattributed to a onesolarmass companion to the optically visible F star. Thesystem very young. Frequent flares are detected in
The giant molecular cloud Sagittarius B2 (hereafter SgrB2) is the most massive region with ongoing high-mass star formation in the Galaxy. Two ultra-compact HII (UCHII) regions...
