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253 papers · 2 filters
Spatially Resolved Galaxy Star Formation and its Environmental Dependence I
Niraj Welikala, Andrew J. Connolly, Andrew M. Hopkins +2
We use the photometric information contained in individual pixels of 44,964 (0.019<z<0.125 and -23.5<M_r<-20.5) galaxies in the Fourth Data Release (DR4) of the Sloan Digital Sky S…
Detection of atmospheric haze on an extrasolar planet: The 0.55 - 1.05 micron transmission spectrum of HD189733b with the Hubble Space Telescope
F. Pont, H. Knutson, R. L. Gilliland +2
The nearby transiting planet HD 189733b was observed during three transits with the ACS camera of the Hubble Space Telescope in spectroscopic mode. The resulting time series of 675…
X-ray Emitting Ejecta in Puppis A Observed with Suzaku
Una Hwang, Robert Petre, Kathryn A. Flanagan
We report the detection and localization of X-ray emitting ejecta in the middle-aged Galactic supernova remnant Puppis A using five observations with the Suzaku X-ray Imaging Spect…
The Subaru/XMM-Newton Deep Survey (SXDS) - V. Optically Faint Variable Object Survey
Tomoki Morokuma, Mamoru Doi, Naoki Yasuda +19
We present our survey for optically faint variable objects using multi-epoch (8-10 epochs over 2-4 years) -band imaging data obtained with Subaru Suprime-Cam over 0.918 deg…
The Subaru/XMM-Newton Deep Survey (SXDS) - VI. Properties of Active Galactic Nuclei Selected by Optical Variability
Tomoki Morokuma, Mamoru Doi, Naoki Yasuda +11
We present the properties of active galactic nuclei (AGN) selected by optical variability in the Subaru/XMM-Newton Deep Field (SXDF). Based on the locations of variable components…
Observational Cosmology with the ELT and JWST
Massimo Stiavelli
I will focus on the study of the Cosmic Dark ages and in particular on the properties of the galaxies responsible for the reionization of Hydrogen and on the possibility of detecti…