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Molecular gas in distant brightest cluster galaxies
G. Castignani, F. Combes, P. Salomé +1
The stellar mass assembly of brightest cluster galaxies (BCGs) is still debated. We have observed in CO with the IRAM-30m two star forming BCGs belonging to SpARCS clusters, 3C 244…
A mass threshold for galactic gas discs by spin flips
Avishai Dekel, Omri Ginzburg, Fangzhou Jiang +4
We predict, analytically and by simulations, that gas discs tend to survive only in haloes above a threshold mass (stellar mass )…
The effect of fluctuating fuzzy axion haloes on stellar dynamics: a stochastic model
Amr El-Zant, Jonathan Freundlich, Francoise Combes +1
Fuzzy dark matter of ultra-light axions has gained attention, largely in light of the galactic scale problems associated with cold dark matter. But the large de Broglie wavelength,…
A model for core formation in dark matter haloes and ultra diffuse galaxies by outflow episodes
Jonathan Freundlich, Avishai Dekel, Fangzhou Jiang +5
We present a simple model for the response of a dissipationless spherical system to an instantaneous mass change at its center, describing the formation of flat cores in dark matte…
Evolution of the Gas Mass Fraction of Progenitors to Today's Massive Galaxies: ALMA Observations in the CANDELS GOODS-S Field
Tommy Wiklind, Henry C. Ferguson, Yicheng Guo +12
We present an ALMA survey of dust continuum emission in a sample of 70 galaxies in the redshift range z=2-5 selected from the CANDELS GOODS-S field. Multi-Epoch Abundance Matching…
PHIBSS2: survey design and z=0.5-0.8 results. Molecular gas reservoirs during the winding-down of star formation
J. Freundlich, F. Combes, L. J. Tacconi +29
Following the success of the Plateau de Bure high-z Blue Sequence Survey (PHIBSS), we present the PHIBSS2 legacy program, a survey of the molecular gas properties of star-forming g…