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Comparison between the GPM proper motions referred to galaxies and the ACT data.
Rybka, S. P.
Proper motions were derived for 4893 stars in selected areas from combination of source catalogues with galaxies. They were included into the GPM compiled catalogue and compared with the ACT data consistent with the Hipparcos reference system. The results were analysed by the analytical method developed at the Astronomisches Rechen-Institut. The s…
Active galaxies in the mid-infrared
Lutz, D.; Genzel, R.; Sturm, E. +4 more
Coronal holes and solar wind acceleration. Proceedings. SOHO-7 Workshop, Northeast Harbor, ME (USA), 28 Sep - 1 Oct 1998.
Cranmer, S. R.; Kohl, J. L.
The following topics were dealt with: solar coronal holes, solar wind acceleration, solar wind models, high speed solar wind, compositional variations, coronal loops, solar magnetic fields, plasma waves, solar polar region, coronal heating, streamers.
Field Stars and Star Clusters in M31
Jablonka, P.
This review reports on recent results obtained from HST/WFPC2 high resolution observations of field stars and star clusters in the bulge and the halo of the nearby galaxy M31.