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Massive stars shaping the ISM:Hi holes and shells in nearby galaxies
(The International Astronomical Union, 1999)
Neutral hydrogen (H I) is a magnificent tool when studying the structure of the interstellar medium (ISM) as it is relatively easily observable and can be mapped at good spatial and velocity resolution with modern instruments. ...
Interaction Between NGC 5394 and NGC 5395
(Astronomical Society of the Pacific, 1999)
The spiral galaxies NGC 5394/95 (at a distance of 47 Mpc) are involved in a recent, close, nonmerging encounter. The smaller galaxy, NGC 5394, has two long, fairly symmetric, open tidal arms (see Figure 1); in numerical ...