activity
19962007
most citedRapid Formation of Supermassive Black Hole Binaries in Galaxy Mergers with Gas

328 citations · 328 across the 4 of their papers we have counts for

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Showing 1998Show all

7 papers · 1 filter

astro-ph1998

After the Dark Ages: the Evolution of Luminous Sources at z<5

Piero Madau

I review recent observational and theoretical progress in our understanding of the cosmic evolution of luminous sources. Through a combination of deep imaging, Keck spectroscopy, a…

astro-ph1998

Gravitational Lensing of Distant Supernovae in Cold Dark Matter Universes

Cristiano Porciani, Piero Madau

Ongoing searches for supernovae (SNe) at cosmological distances have recently started to provide large numbers of events with measured redshifts and apparent brightnesses. Compared…

astro-ph1998

An Extremely Red r^{1/4} Galaxy in the Test Image of the Hubble Deep Field South

T. Treu, M. Stiavelli, A. R. Walker +14

We report the serendipitous discovery of an extremely red object in the Hubble Deep Field South (HDFS) Test NICMOS (Near Infrared Camera and Multi Object Spectrograph) field of vie…

astro-ph1998

Probing The High Redshift Universe with the NGST

Piero Madau

Through a combination of deep wide-field imaging and multi-object spectroscopy, the Next Generation Space Telescope will be able to chart with unprecedented accuracy the evolution…

astro-ph1998

Star Formation at High Redshift: A Population of Early Dwarfs?

Piero Madau

The history of the transition from a neutral intergalactic medium (IGM) to one that is almost fully ionized can reveal the character of cosmological ionizing sources and set import…

astro-ph1998

What Keeps the Universe Ionized at z=5?

Piero Madau

The history of the transition from a neutral intergalactic medium to one that is almost fully ionized can reveal the character of cosmological ionizing sources. In this talk I will…