High–Resolution V–Band Photometry of the Milky Way
نویسندگان
چکیده
منابع مشابه
Milky Way
7 Globular clusters and Population II stars are fossil remnants of the first major epoch of star formation in the Milky Way. SIM Lite will determine precise distances to selected Pop II objects to define a reliable distance scale, and establish reliable absolute and relative ages. Those ages set a minimum age for the Universe and map the early formation history of the Milky Way. The resultant a...
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We review observational evidence bearing on the formation of a prototypical large spiral galaxy, the Milky Way. New groundand space-based studies of globular star clusters and dwarf spheroidal galaxies provide a wealth of information to constrain theories of galaxy formation. It appears likely that the Milky Way formed by an combination of rapid, dissipative collapse and mergers, but the relati...
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Observational signatures of existence of antimatter objects in the Galaxy are discussed. We focus on point-like sources of gamma radiation, diffuse galactic gamma ray background and anti-nuclei in cosmic rays.
متن کاملThe dark side of the Milky Way.
The familiar picture of our Galaxy is that of a myriad of bright stars assembled in a flat disk which we call the Milky Way. But what, if, like a shadow, another massive disk population of formerly bright stars inhabited the Galaxy from the beginning, though characterized by somewhat larger scales, but then managed to fade out? Here we present very recent results of such a scenario from the loc...
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The latest Sloan Digital Sky Survey data tracing the tidal stream from the Sagittarius dwarf spheroidal (dSph) reveals a bifurcation in the distribution of debris. The branching is caused by the projection of the old trailing and young leading tidal arms of the Sagittarius dSph. The angular difference between the branches is a measure of the precession of the orbital plane and hence the aspheri...
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ژورنال
عنوان ژورنال: Symposium - International Astronomical Union
سال: 1990
ISSN: 0074-1809
DOI: 10.1017/s007418090024062x