The Milky Way and the Local GroupChapter First Online: 27 July 2016 pp 93–188 Cite this chapter From the Realm of the Nebulae to Populations of Galaxies Roberto Rampazzo, Mauro D’Onofrio, Simone Zaggia, James M. Lattis, Pieter C. van der Kruit, Antonella Vallenari, Daniela ...
We present evidence for a new Milky Way stellar tidal stream in the direction of the Andromeda and Triangulum (M31 and M33) galaxies. Using a matched-filter technique, we search the Sloan Digital Sky Survey Data Release 8 by creating stellar density maps which probe the Milky Way halo at ...
This week - Cambridge's key role in the mission to map the milky way! We learn how the Gaia space telescope is pinpointing the positions of a billion stars in our galaxy. Plus, news of a net which will leave mozzies dead or infertile, the DNA double-double helix discovery, and can th...
The proposed likely interpretation is that a dwarf galaxy is merging with the Milky Way. This galaxy is tentatively named the Virgo Stellar Stream and is found in the direction of Virgo about 69 away.[70] On September 24, 2012, a team of five astronomers[71] working with the Chandra X...
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Hard X-rays observations by INTEGRAL and Swift have broadened significantly our understanding in particular for the super-giant systems in the Milky Way, whose number has increased by almost a factor of three. INTEGRAL played a crucial role in the discovery, study and understanding of heavily ...
The total mass of the Large Magellanic Cloud from its perturbation on the Orphan stream. Mon. Not. R. Astron. Soc. 487, 2685–2700 (2019). Article ADS CAS Google Scholar Jiao, Y. et al. Detection of the Keplerian decline in the Milky Way rotation curve. Astron. Astrophys. 678, ...
We propose a new model for the dark matter halo of the Milky Way that fits the properties of the stellar stream associated with the Sagittarius dwarf galaxy. Our dark halo is oblate with q<SUB>z</SUB> = 0.9 for r 10 kpc, and can be made to follow the Law & Majewski model at larg...
star clusters; open clusters; milky way; astrometry; data mining; stellar evolution 1. Introduction 1.1. The Gaia Mission The ESA Gaia space mission [1,2] is one of the most successful projects in the history of astronomy. The spacecraft was launched in December 2013 and has since been ...
stream is estimated to include the mass of about 10 million suns. Here, the ancient stars are all similar in age, orbital path and composition, which helped astronomers determine that both streams were likely threads from an outside source that wove together and became part ...