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- Goddard Space Flight CenterUS398 papers
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8 papers · 2 filters
The role of cluster mergers and travelling shocks in shaping the H luminosity function at : `sausage' and `toothbrush' clusters
Andra Stroe, David Sobral, Huub J. A. Röttgering +1
The most extreme cluster mergers can lead to massive cluster-wide travelling shock waves. The CIZA J2242.8+5301 ('sausage') and 1RXS J0603.3+4213 (`toothbrush') clusters ($z\sim0.2…
Constraints on Large-Scale Dark Acoustic Oscillations from Cosmology
Francis-Yan Cyr-Racine, Roland de Putter, Alvise Raccanelli +1
If all or a fraction of the dark matter (DM) were coupled to a bath of dark radiation (DR) in the early Universe we expect the combined DM-DR system to give rise to acoustic oscill…
Reversal or no reversal: the evolution of the star formation rate-density relation up to z~1.6
F. Ziparo, P. Popesso, A. Finoguenov +27
We investigate the evolution of the star formation rate (SFR)-density relation in the Extended Chandra Deep Field South (ECDFS) and the Great Observatories Origin Deep Survey (GOOD…
The lack of star formation gradients in galaxy groups up to z~1.6
Felicia Ziparo, Paola Popesso, Andrea Biviano +28
In the local Universe, galaxy properties show a strong dependence on environment. In cluster cores, early type galaxies dominate, whereas star-forming galaxies are more and more co…
The Cosmic Infrared Background Experiment (CIBER): the Narrow Band Spectrometer
P. M. Korngut, T. Renbarger, T. Arai +21
We have developed a near-infrared spectrometer designed to measure the absolute intensity of the Solar 854.2 nm CaII Fraunhofer line, scattered by interplanetary dust, in the Zodia…
The Carnegie Hubble Program: The Infrared Leavitt Law in IC 1613
Victoria Scowcroft, Wendy L. Freedman, Barry F. Madore +5
We have observed the dwarf galaxy IC 1613, at multiple epochs in the mid--infrared using Spitzer and contemporaneously in the near--infrared using the new FourStar near-IR camera o…