Search Publications
Faint, high proper motion star candidates selected from the SDSS and PS1 catalogues
Ofek, Eran O.; Segev, Noam
High proper motion stars probe several extreme stellar populations, including nearby objects, Galactic halo stars, and hypervelocity stars. Extending the search for high proper motion stars, to faint limits can increase their numbers and help to identify interesting targets. We conduct a search for faint (rSDSS > 19.5 mag) high prope…
Impact of galactic interactions on the evolution of the far-infrared-radio correlation
Pavlović; , M.; Prodanović +1 more
A strong correlation has been known to exist between the far-infrared (FIR) and radio emission of star-forming galaxies. Observations have shown that, although scatter is present, this correlation holds over a range of redshifts and does not evolve. However, there have been a number of more recent observations, especially in higher redshift survey…
Elemental abundances of RGB and red clump stars in the Kepler field
Wang, L.; Zhao, G.; Takeda, Y. +2 more
The helium flash is a key point in the evolution process of stars that have evolved off the main sequence. However, chemical abundance differences in the stellar photosphere before and after this step are poorly investigated, mainly because of the degeneracy of red giant branch (RGB) and red clump stars (RC) in the Hertzsprung-Russell (HR) diagram…
A new sample of southern radio galaxies: host-galaxy masses and star-formation rates
Jarvis, Matt J.; Prescott, Matthew; Marubini, Takalani +3 more
In this study we define a new sample of distant powerful radio galaxies in order to study their host galaxy properties and provide targets for future observations of H I absorption with new radio telescopes and to understand the fuelling and feedback from such sources. We have cross-matched the Sydney University Molonglo Sky Survey (SUMSS) radio c…
Probabilistic galeeactic dynamics - I. The Sun and GJ 710 with Monte Carlo, linearized, and unscented treatments
Jones, H. R. A.; Feng, F.
Deterministic galactic dynamics is impossible due to a lack of precise knowledge of the initial conditions and galactic potential. Instead of treating stellar orbits deterministically, we integrate not only the mean but also the covariance of a stellar orbit in the Galaxy. As a test case, we study the probabilistic dynamics of the Sun and the star…