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On the nature of the blue giants in NGC 330
Eva K. Grebel, Wm James Roberts, Wolfgang Brandner
The young SMC cluster NGC 330 contains a number of blue stars that lie above the main-sequence turnoff found from our isochrone fitting and below the position of the blue supergian…
Low-mass star formation in CG1: a diffraction limited search for pre-main sequence stars next to NX Puppis
Wolfgang Brandner, Jerome Bouvier, Eva K. Grebel +3
Using adaptive optics at the ESO 3.6m telescope, we obtained diffraction limited JHK-images of the region around the Herbig AeBe star NX Pup. We clearly resolved the close companio…
HE 3-1475 AND ITS JETS
M. Bobrowsky, A. A. Zijlstra, E. K. Grebel +5
We present spectra and high-resolution images taken with HST, the NTT, the VLA, and the MPIA/ESO 2.2m of the emission-line star He 3-1475 which we suggest is a post-AGB star. The s…