Results 181 to 190 of about 180,573 (206)
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Extragalactic Astronomy with 2MASS
1998Observations for the Two-Micron All Sky Survey (2MASS) have recently begun at the northern hemisphere site. The project is now in the final phases of tuning the data analysis software in preparation for running the “pipeline” at full bore. The path to completing the extragalactic portion of the pipeline, called GALWORKS, was complicated. It required an
S. E. Schneider +4 more
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Oort and Extragalactic Astronomy
1980Our understanding of the nature of external galaxies, incomplete as it still is, has depended cast essentially on the understanding of our own Milky Way. And one cannot think of any facet of knowledge about our Galaxy without paying tribute to Jan Oort’s elucidation of its mysteries.
Margaret Burbidge, Geoffrey Burbidge
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Observational paradoxes in extragalactic astronomy.
Science (New York, N.Y.), 1971© 1971 American Association for the Advancement of Science. I thank 0. C. Wilson for helpful advice, comments, and encouragement in the preparation of this manuscript.
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RECENT ADVANCES IN FAR-EXTRAGALACTIC RADIO ASTRONOMY
Publications of the Astronomical Society of the Pacific, 1976exaly +2 more sources
Extragalactic astronomy with the OHANA array
SPIE Proceedings, 2003The Optical Hawaiian Array for Nanoradian Astronomy (OHANA) will allow resolutions on the order of a fraction of a milliarcsecond in the near infrared. This corresponds to the suspected size of the Broad Line Region and might even allow to study the structure of the base of jets.
Woillez, Julien M. +4 more
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HyperLeda: Virtual Instruments for Extragalactic Astronomy
2006HyperLeda offers a series of tools of interest for Galactic and extra-galactic astronomy. The most prominent service is the LEDA catalogue which presents 70 homogenized parameters collected for over 3 million galaxies.
Prugniel, Philippe +4 more
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Using SNAP for Galactic & extragalactic astronomy
Astrophysics and Space Science, 2007SNAP, the SuperNova Acceleration Probe, is planned as a space-based telescope designed specifically to search for and monitor cosmological supernovae and weak lensing. In this paper we propose some other mission objectives which are of great importance in the fields of Galactic and extragalactic astronomy and which can be done as by-products with the ...
Olga K. Sil’chenko +2 more
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Nebular and Extragalactic Astronomy from Space in the Optical Region
1980This review deals with the impact that astronomical observations from outer space will have on the fields of nebular and extragalactic research. The discussion will be confined to the classical optical region of the electromagnetic spectrum extended to the adiacent UV and IR.
CAPACCIOLI, MASSIMO, Dodorico, S.
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The role of magnetic fields in extragalactic astronomy
Astrophysics and Space Science, 1981The evidence is reviewed for a universal magnetic field of strength 10−9–10−8G; it has been extended to include the diffuse fields of galactic clusters and the extensive magnetic halos of spiral galaxies. Some likely effects of the universal fieldB 0 are as follows: (1) As suggested previously,B 0 is coupled to protogalaxies and evolves into magnetic ...
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Extragalactic Astronomy: From Pioneers to Big Science
2016At the beginning of the XIX century one of the scientific issues driving the research of astronomers, like the Herschels, was to test if all the nebulæ can be resolved into stars. This research continued uninterruptedly for many years surveying the nebulæ in the Charles Messier’s “Catalogue des n´ebuleuse et des amas d’´etoiles” published in 1780 and ...
RAMPAZZO, ROBERTO +19 more
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