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1981. http://www.mso.anu.edu.au/seminars/abstracts/20150605-1400.html
The most massive black holes in the nearby Universe seem to largely be hosted by massive central cluster galaxies. The ultra-massive black hole in NGC 1277, reported by van den Bosch et al. based on a stellar kinematic measurement, is an extreme outlier in this respect. NGC 1277 is not a central cluster galaxy, but a lenticular galaxy in the Perseus Cluster, at a distance of about 3.8 from the central cluster galaxy. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150605-1400.html -- 4.3 Кб -- 10.04.2016
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1982. http://www.mso.anu.edu.au/seminars/abstracts/20150602-1100.html
Galaxies follow tight scaling relations linking their dynamical properties to their baryonic content. The study of these dynamical laws strongly constrains cosmological models of galaxy formation. I will present new results on the baryonic Tully-Fisher relation (BTFR), which links the total baryonic mass of a galaxy to its outer rotation velocity. I will discuss both successes and failures of LCDM models that attempt to reproduce the BTFR using gas outflows from stellar feedback. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150602-1100.html -- 4.5 Кб -- 10.04.2016
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1983. http://www.mso.anu.edu.au/seminars/abstracts/20150529-1400.html
This talk provides a handy guide on what one can do in the real world after obtaining a PhD in Astronomy (and after the postdocs run out and no tenured positions available). It focusses on the various types of skills, knowledge and application gained during a PhD that actually makes one quite employable across a range of areas and positions/roles. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150529-1400.html -- 4.5 Кб -- 10.04.2016
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1984. http://www.mso.anu.edu.au/seminars/abstracts/20150528-1100.html
... This talk will present discoveries of new transiting planets and low mass stars, and the characterisation of their fundamental properties: mass, radius, temperature, and composition. ... The planets discovered by HATSouth orbit a diverse range of host stars, and the candidates identified have a wide range of orbital periods. ... These observations represent some of the highest precision near-infrared time-series photometry performed from the ground, and probe a diverse range of planet atmospheres. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150528-1100.html -- 4.9 Кб -- 10.04.2016
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1985. http://www.mso.anu.edu.au/seminars/abstracts/20150521-1100.html
Observations of the cosmos provide a valuable tool to study the fundamental laws of nature. The future generation of astronomical surveys will provide data for a sizeable fraction of the observable sky. These rich data set should provide the means to answer fundamental questions: what are the laws of physics at high energies in the Early Universe? what is the nature of neutrinos? what is the dark matter? what is the dark energy? why are there baryons at all? ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150521-1100.html -- 4.4 Кб -- 10.04.2016
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1986. http://www.mso.anu.edu.au/seminars/abstracts/20150515-1400.html
Type Ia supernovae are the thermonuclear explosion of a carbon-oxygen white dwarf. ... Coupling this to recent work by Richard Scalzo, we find that SNe Ia from white dwarfs below the Chandrasekhar mass consistently produce a modest amount of nickel (~0.5 solar masses) while Chandrasekhar mass white dwarfs produce a broader range (0.4-1.2 solar masses) - this may consistute evidence for two distinct explosion mechanisms. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150515-1400.html -- 4.7 Кб -- 10.04.2016
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1987. http://www.mso.anu.edu.au/seminars/abstracts/20150514-1100.html
The Southern African Large Telescope (SALT) was a relatively cheap (~$20M) 10m class telescope, for which the construction phase was completed, relatively quickly, by late 2005. ... These cover a range of topics, and some will focus on studies using the unique or rarer instrument capabilities for large telescopes. Finally, I look to the future of SALT and the prospects of new instruments and capabilities and I will also discuss some of other new SAAO facilities and future plans. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150514-1100.html -- 4.6 Кб -- 10.04.2016
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1988. http://www.mso.anu.edu.au/seminars/abstracts/20150512-1100.html
Despite many decades of progress in understanding the evolution of star formation and stellar populations in galaxies, we have still fundamental questions that have remained unanswered. These include: how do stars cluster in galaxies, and how do these structures evolve in time? ... How are popular star formation rate indicators affected by the recent star formation history of a galaxy? ... The answers to these questions inform our theories for the evolution of galaxies through cosmic times. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150512-1100.html -- 4.7 Кб -- 10.04.2016
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1989. http://www.mso.anu.edu.au/seminars/abstracts/20150508-1420.html
. Naomi McClure-Griffiths and Mike Ireland, visited NAOC and KIAA (part of PKU) in Beijing in April, as part of an ANU delegation to try and explore collaboration opportunities. The long-term goal of the trip was to find ways to attract more joint PhD students. We will provide a brief report on our visit, and will describe how targeted increased collaboration with China has the potential to improve the research competitiveness of RSAA.
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150508-1420.html -- 4.1 Кб -- 10.04.2016
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1990. http://www.mso.anu.edu.au/seminars/abstracts/20150508-1400.html
It is possible to piece together the processes that have shaped the observed characteristics of a galaxy by studying its stars in detail. The Large Magellanic Cloud (LMC) is an excellent candidate for this type of study because of its favourable viewing angle and ongoing star formation. I present the results of high-resolution VLT/FLAMES observations of ~80 red giant stars around star cluster NGC 1846, located in the disc of the LMC. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150508-1400.html -- 4.3 Кб -- 10.04.2016
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1991. http://www.mso.anu.edu.au/seminars/abstracts/20150507-1100.html
... On one side we have gas-rich, star-forming spirals; on the other, passively-evolving, gas-poor, early-types. ... In this talk I will present results from a large survey of neutral hydrogen gas (HI) in early-type galaxies carried out as part of the Atlas3D project. ... I will discuss the role of environment in shaping these properties and present results on the misalignment between the angular momenta of stars and HI in these objects, as well as a comparison to hydrodynamical cosmological simulations...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150507-1100.html -- 4.7 Кб -- 10.04.2016
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1992. http://www.mso.anu.edu.au/seminars/abstracts/20150501-1400.html
. This tour is for people who have wondered what goes on behind the locked doors in Possum Hall. This walking Feast of Facts will give you an insiders view and brief you of some of the astronomy and space projects the AITC is supporting, and our aspirations for the future. You don t need to don a clean suit but you will need to leave all food and drink behind.
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150501-1400.html -- 4.1 Кб -- 10.04.2016
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1993. http://www.mso.anu.edu.au/seminars/abstracts/20150428-1100.html
Molecular clouds in the central 200 pc of the Galaxy (the Central Molecular Zone ) exhibit different (and more extreme) physical properties than those in the disk, yet because this is the closest galactic nucleus, detailed studies of this region can provide insight on galactic nuclei in general in the nearby universe. ... In this talk I will present a case study of one of the clouds - a dense and unusual cloud, GCM0.253+0.016 - also known as The Brick . ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150428-1100.html -- 4.7 Кб -- 10.04.2016
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1994. http://www.mso.anu.edu.au/seminars/abstracts/20150424-1420.html
. Astronomy and astrophysics provide an excellent set of skills that can be used in other fields. I will present a summary of my previous astronomy work and my current career in river management. This will include an introduction to the Murray-Darling Basin, and a discussion about the ability of science to influence government policy.
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150424-1420.html -- 4.1 Кб -- 10.04.2016
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1995. http://www.mso.anu.edu.au/seminars/abstracts/20150424-1400.html
Observations over the last decade indicate black-holes likely resided at the heart of most if not all galaxies. The correlation between the masses of these compact nuclear sources and their host galaxy is poorly understood and likely plays an important role in the formation and evolution, of at least the most massive systems, due to AGN feedback. ... I will give a brief summary of the reverberation mapping technique and describe the important role SkyMapper photometry can play in this program. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150424-1400.html -- 4.8 Кб -- 10.04.2016
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1996. http://www.mso.anu.edu.au/seminars/abstracts/20150423-1100.html
The environment of a galaxy can play a major role in its evolution. ... Recently there is accumulating evidence that HI-deficient galaxies are also relatively frequent in galaxy groups and that galaxy transformation can already start in the group environment. In this talk I will investigate how the environment influences the HI content of galaxies, and which mechanisms are responsible for the gas deficiency in galaxy groups? ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150423-1100.html -- 4.4 Кб -- 10.04.2016
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1997. http://www.mso.anu.edu.au/seminars/abstracts/20150417-1420.html
. The SAMI Galaxy Survey has now observed more than a thousand galaxies from the nearby universe. I will give an overview of the SAMI Galaxy Survey data and discuss some of the work being done by RSAA on the emission line properties, in particular the complexities associated with identifying shocks and some of the interesting galaxy features we ve found to date.
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150417-1420.html -- 4.0 Кб -- 10.04.2016
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1998. http://www.mso.anu.edu.au/seminars/abstracts/20150417-1400.html
. The recently discovered supernova SN Refsdal and its lensed host galaxy is such a beautiful demonstration of the power of gravitational lensing. In this 15min talk, I will tell you everything we know about this specific demonstration.
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150417-1400.html -- 4.0 Кб -- 10.04.2016
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1999. http://www.mso.anu.edu.au/seminars/abstracts/20150416-1100.html
One of the major unknowns in the history of Earth is concerned with the effects on the Earth of the Late Heavy Bombardment, documented on the moon during ~3.95-3.85 billion years. To date pre-3.6 billion years-old terrains disclose little evidence for asteroid impacts, likely due to the masking of their textural, mineralogical and geochemical signatures by high grade metamorphism. ... To date at least 15 such events are recorded in South Africa and Western Australia. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150416-1100.html -- 4.8 Кб -- 10.04.2016
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2000. http://www.mso.anu.edu.au/seminars/abstracts/20150414-1100.html
Asteroseismology - the study of stellar oscillations - is a powerful tool to probe the structure and evolution of stars. In addition to the large number of newly discovered exoplanets, space-based telescopes such as Kepler have revolutionized asteroseismology by detecting oscillations in thousands of stars from the main sequence to the red-giant branch. In this talk I will highlight recent asteroseismic discoveries by Kepler, focusing in particular on exoplanet host stars. ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20150414-1100.html -- 4.6 Кб -- 10.04.2016
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