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The Magnificent Five Images of Supernova Refsdal: Time Delay and Magnification Measurements
Patrick L. Kelly, Steven Rodney, Tommaso Treu +28
In late 2014, four images of Supernova (SN) "Refsdal," the first known example of a strongly lensed SN with multiple resolved images, were detected in the MACS J1149 galaxy-cluster…
Constraints on the Hubble constant from Supernova Refsdal's reappearance
Patrick L. Kelly, Steven Rodney, Tommaso Treu +27
The gravitationally lensed Supernova Refsdal appeared in multiple images, produced through gravitational lensing by a massive foreground galaxy cluster. After the supernova appeare…
The MUSE Extremely Deep Field: the Cosmic Web in Emission at High Redshift
Roland Bacon, David Mary, Thibault Garel +29
We report the discovery of diffuse extended Ly-alpha emission from redshift 3.1 to 4.5, tracing cosmic web filaments on scales of 2.5-4 comoving Mpc. These structures have been obs…
Inferences on the Timeline of Reionization at z~8 From the KMOS Lens-Amplified Spectroscopic Survey
Charlotte A. Mason, Adriano Fontana, Tommaso Treu +12
Detections and non-detections of Lyman alpha (Ly) emission from galaxies ( Gyr after the Big Bang) can be used to measure the timeline of cosmic reionization. Of key i…
Probing dark matter substructure in the gravitational lens HE0435-1223 with the WFC3 grism
A. M. Nierenberg, T. Treu, G. Brammer +7
Strong gravitational lensing provides a powerful test of Cold Dark Matter (CDM) as it enables the detection and mass measurement of low mass haloes even if they do not contain bary…
SN Refsdal : Photometry and Time Delay Measurements of the First Einstein Cross Supernova
S. A. Rodney, L. -G. Strolger, P. L. Kelly +16
We present the first year of Hubble Space Telescope imaging of the unique supernova (SN) 'Refsdal', a gravitationally lensed SN at z=1.4880.001 with multiple images behind the…