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SN Refsdal: Classification as a Luminous and Blue SN 1987A-like Type II Supernova
P. L. Kelly, G. Brammer, J. Selsing +19
We have acquired Hubble Space Telescope (HST) and Very Large Telescope near-infrared spectra and images of supernova (SN) Refsdal after its discovery as an Einstein cross in Fall 2…
Bright galaxies at Hubble's redshift detection frontier: Preliminary results and design from the redshift z~9-10 BoRG pure-parallel HST survey
V. Calvi, M. Trenti, M. Stiavelli +14
We present the first results and design from the redshift z~9-10 Brightest of the Reionizing Galaxies {\it Hubble Space Telescope} survey BoRG[z9-10], aimed at searching for intrin…
Deja Vu All Over Again: The Reappearance of Supernova Refsdal
P. L. Kelly, S. A. Rodney, T. Treu +21
In Hubble Space Telescope (HST) imaging taken on 10 November 2014, four images of supernova (SN) "Refsdal" (redshift z=1.49) appeared in an Einstein-cross--like configuration (imag…
The Grism Lens-Amplified Survey from Space (GLASS). III. A census of Lyα Emission at 7 from HST Spectroscopy
K. B. Schmidt, T. Treu, M. Bradač +15
[abbreviated] We present a census of Lyα emission at utilizing deep near infrared HST grism spectroscopy from the first six completed clusters of the Grism Lens-Amplifi…
The Grism Lens-Amplified Survey from Space (GLASS). V. Extent and spatial distribution of star formation in z~0.5 cluster galaxies
Benedetta Vulcani, Tommaso Treu, Kasper B. Schmidt +14
We present the first study of the spatial distribution of star formation in z~0.5 cluster galaxies. The analysis is based on data taken with the Wide Field Camera 3 as part of the…
"Refsdal" meets Popper: comparing predictions of the re-appearance of the multiply imaged supernova behind MACSJ1149.5+2223
T. Treu, G. Brammer, J. M. Diego +25
Supernova "Refsdal," multiply imaged by cluster MACSJ1149.5+2223, represents a rare opportunity to make a true blind test of model predictions in extragalactic astronomy, on a time…