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The Hubble Space Telescope Cluster Supernova Survey: II. The Type Ia Supernova Rate in High-Redshift Galaxy Clusters
K. Barbary, G. Aldering, R. Amanullah +40
We report a measurement of the Type Ia supernova (SN Ia) rate in galaxy clusters at 0.9 < z < 1.45 from the Hubble Space Telescope (HST) Cluster Supernova Survey. This is the first…
Star Formation Histories in a Cluster Environment at z~0.84
R. Demarco, R. Gobat, P. Rosati +8
We present a spectrophotometric analysis of galaxies belonging to the dynamically young, massive cluster RX J0152.7-1357 at z~0.84, aimed at understanding the effects of the cluste…
Cluster galaxies in XMMU J2235-2557: galaxy population properties in most massive environments at z~1.4
V. Strazzullo, P. Rosati, M. Pannella +18
We present a multi-wavelength study of galaxy populations in the core of the massive, X-ray luminous cluster XMMU J2235 at z=1.39, based on VLT and HST optical and near-infrared ph…
Science drivers and requirements for an Advanced Technology Large Aperture Space Telescope (ATLAST): Implications for technology development and synergies with other future facilities
Marc Postman, Tom Brown, Kenneth Sembach +11
The Advanced Technology Large-Aperture Space Telescope (ATLAST) is a concept for an 8-meter to 16-meter UVOIR space observatory for launch in the 2025-2030 era. ATLAST will allow a…
Recommendations of the VAO-Science Council
G. Fabbiano, D. Calzetti, C. Carilli +10
Recommendations of the VAO-Science Council following the meeting of March 26-27, 2010. Refer to the webpage http://www.aui.edu/vao.php