13-14 May 2014

  • (abs, pdf) Michałowski et al., Determining the stellar masses of submillimetre galaxies: the critical importance of star formation histories
  • (abs, pdf) Verbeke et al., Gaseous infall triggering starbursts in simulated dwarf galaxies
  • (abs, pdf) Keller et al., A Superbubble Feedback Model for Galaxy Simulations
  • (abs, pdf) Vogelsberger et al., Introducing the Illustris Project: Simulating the coevolution of dark and visible matter in the Universe
  • (abs, pdf) Loeb, On the Benefits of Promoting Diversity of Ideas
  • (abs, pdf) Almeida et al., Star formation sustained by gas accretion

New Paper: 21cm Signal from the First Galaxies

In a companion paper to our X-ray binary paper, we calculated the expected 21-cm signal (Wikipedia) from a strongly clustered group of galaxies at redshift 15 when the universe was only 300 Myr old. Here we make predictions for the SKA radio observatory, which could possibly probe the heating and ionization caused by UV and X-ray sources within the first galaxies. In this paper, we show that in some circumstances it will be possible to determine from SKA observations whether X-ray sources had a significant impact on the surrounding intergalactic medium, constraining the earliest population of stars and their remnants in the first galaxies.

Image credit: SKA

12 May 2014

  • (abs, pdf) Mieske et al., How tidal erosion has shaped the relation between globular cluster specific frequency and galaxy luminosity
  • (abs, pdf) Johnson et al., The impact of reionization on the formation of supermassive black hole seeds
  • (abs, pdf) Ahn et al., Spatially Extended 21 cm Signal from Strongly Clustered UV and X-Ray Sources in the Early Universe

06 May 2014

  • (abs, pdf) Cen, Evolution of Cold Streams and Emergence of the Hubble Sequence
  • (abs, pdf) Martizzi et al., Brightest Cluster Galaxies in Cosmological Simulations with Adaptive Mesh Refinement: Successes and Failures
  • (abs, pdf) Cen et al., Gas Loss in Simulated Galaxies as They Fall into Clusters
  • (abs, pdf) Kimm & Cen, Escape fraction of ionizing photons during reionization: effects due to supernova feedback and runaway OB stars
  • (abs, pdf) Li & Gnedin, Modeling the Formation of Globular Cluster Systems in the Virgo Cluster
  • (abs, pdf) Dwek et al., Dust formation, evolution, and obscuration effects in the very high-redshift universe