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Feedback mechanisms stopping the star formation in a pair of massive galaxies in the early Universe
Pérez-González P +21 more
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Nature, 1970
Galactic halo origin and evolution postulated from chemical evolution assuming stellar evolution ...
J. W. Truran +3 more
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Galactic halo origin and evolution postulated from chemical evolution assuming stellar evolution ...
J. W. Truran +3 more
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The Structure of the Galactic Halo [PDF]
Chinese Journal of Astronomy and Astrophysics, 2008 We used the star counts in 21 BATC fields obtained with the National Astronomical Observatories (NAOC) 60/90 cm Schmidt Telescope to study the structure of the Galactic halo. Adopting a de Vaucouleurs r1/4 law halo, we found that the halo is somewhat flatter (c/a~0.4) towards the Galactic center than in the anticentre and antirotation direction ( 0.4 ...
Xu Zhou, Zhenyu Wu, Jun Ma, Cuihua Du
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Publications of the Astronomical Society of the Pacific, 1993
The relationship between the Galactic halo and bulge is discussed, with reference to early results from a survey for K giants in a field 2 kpc from the Galactic center and Zinn's (1992) data on globular-cluster kinematics. The data are currently too meager to decide whether the inner halo shades gradually into the bulge, although there are some ...
Paul Harding, Heather Morrison
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The relationship between the Galactic halo and bulge is discussed, with reference to early results from a survey for K giants in a field 2 kpc from the Galactic center and Zinn's (1992) data on globular-cluster kinematics. The data are currently too meager to decide whether the inner halo shades gradually into the bulge, although there are some ...
Paul Harding, Heather Morrison
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Is there dust in galactic haloes?
Nature, 1987The ubiquitous presence of dust within the disks of spiral galaxies is well established. Dust is present in large quantities over enormous extents in the Universe; for example, Burton1 concludes that, in our Galaxy, dust is distributed very similarly to the H I distribution, with an exponential radius in the plane of 8 kpc and an exponential scale ...
Santi Aiello +3 more
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Proceedings of the International Astronomical Union, 2012
AbstractThe interstellar medium in galactic halos is described as a consequence of feedback mechanisms from processes related to star-formation in the disk. The presence of gas in galactic halos is also expected due to accretion of gas from the circumgalactic environment.
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AbstractThe interstellar medium in galactic halos is described as a consequence of feedback mechanisms from processes related to star-formation in the disk. The presence of gas in galactic halos is also expected due to accretion of gas from the circumgalactic environment.
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Astronomical & Astrophysical Transactions, 1997
The variety of observational data suggest that the Galactic halo contains beside non-baryonic matter a noticeable fraction of cold baryonic matter.
Peter Berczik, S. G. Kravchuk
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The variety of observational data suggest that the Galactic halo contains beside non-baryonic matter a noticeable fraction of cold baryonic matter.
Peter Berczik, S. G. Kravchuk
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1983
Summarised herein are the principal results of two papers to be published in full elsewhere. These are Paper I (Innanen, Harris and Webbink, 1982). and Paper II (Valtonen, Innanen and Tahtinen, 1982)
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Summarised herein are the principal results of two papers to be published in full elsewhere. These are Paper I (Innanen, Harris and Webbink, 1982). and Paper II (Valtonen, Innanen and Tahtinen, 1982)
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Annual Review of Astronomy and Astrophysics, 1982
The evidence that gas exists in the halo of the Galaxy is examined. The likely properties of halo gas intervening between QSOs and the Galaxy are extracted from observations of the galactic halo. The available data discussed include 21-cm observations, optical absorption lines, ultraviolet lines, and X-ray observations.
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The evidence that gas exists in the halo of the Galaxy is examined. The likely properties of halo gas intervening between QSOs and the Galaxy are extracted from observations of the galactic halo. The available data discussed include 21-cm observations, optical absorption lines, ultraviolet lines, and X-ray observations.
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