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Exploring the NRO Opportunity for a Hubble-sized Wide-field Near-IR Space Telescope -- NEW WFIRST
Alan Dressler, David Spergel, Matt Mountain +24
We discuss scientific, technical and programmatic issues related to the use of an NRO 2.4m telescope for the WFIRST initiative of the 2010 Decadal Survey. We show that this impleme…
Cosmology with Photometrically-Classified Type Ia Supernovae from the SDSS-II Supernova Survey
Heather Campbell, Chris B. D'Andrea, Robert C. Nichol +25
We present the cosmological analysis of 752 photometrically-classified Type Ia Supernovae (SNe Ia) obtained from the full Sloan Digital Sky Survey II (SDSS-II) Supernova (SN) Surve…
The Dwarf Starburst Host Galaxy of a Type Ia SN at z = 1.55 from CANDELS
Teddy F. Frederiksen, Jens Hjorth, Justyn R. Maund +4
We present VLT/X-shooter observations of a high redshift, type Ia supernova host galaxy, discovered with HST/WFC3 as part of the CANDELS Supernova project. The galaxy exhibits stro…
The Extended Hubble Space Telescope Supernova Survey: The Rate of Core Collapse Supernovae to z~1
Tomas Dahlen, Louis-Gregory Strolger, Adam G. Riess +3
We use a sample of 45 core collapse supernovae detected with the Advanced Camera for Surveys on-board the Hubble Space Telescope to derive the core collapse supernova rate in the r…
Wide-Field InfraRed Survey Telescope (WFIRST) Final Report
J. Green, P. Schechter, C. Baltay +51
In December 2010, NASA created a Science Definition Team (SDT) for WFIRST, the Wide Field Infra-Red Survey Telescope, recommended by the Astro 2010 Decadal Survey as the highest pr…
The Spectroscopic Diversity of Type Ia Supernovae
S. Blondin, T. Matheson, R. P. Kirshner +9
We present 2603 spectra of 462 nearby Type Ia supernovae (SN Ia) obtained during 1993-2008 through the Center for Astrophysics Supernova Program. Most of the spectra were obtained…