Star Clusters in Pseudobulges of Spiral Galaxies (2009)
Di Nino, Daiana, Trenti, Michele, Stiavelli , Massimo, Carollo, C. Marcella, Scarlata, Claudia, Wyse, Rosemary F. G.
We present a study of the properties of the star-cluster systems around pseudobulges of late-type spiral galaxies using a sample of 11 galaxies with distances from 17 Mpc to 37 Mpc. Star clusters are...
Star Clusters in Pseudo-Bulges of Spiral Galaxies (2009)
Di Nino, Daiana, Trenti, Michele, Stiavelli, Massimo, Carollo, C. Marcella, Scarlata, Claudia, Wyse, Rosemary F. G.
We present a study of the properties of the star-cluster systems around pseudo-bulges of late-type spiral galaxies using a sample of 11 galaxies with distances from 17 to 37 Mpc. Star clusters are...
Metal-Free Gas Supply at the Edge of Reionization: Late-Epoch Population III Star Formation (2009)
Trenti, Michele, Stiavelli, Massimo, Shull, Michael
While the average metallicity of the intergalactic medium rises above Z~10^{-3} Zsun by the end of the reionization, pockets of metal-free gas can still exist at later times. We quantify the presence...
Mass Segregation in NGC 2298: limits on the presence of an Intermediate Mass Black Hole (2009)
Pasquato, Mario, Trenti, Michele, De Marchi, Guido, Gill, Michael, Hamilton, Douglas P., Miller, M. Coleman, ...
[abridged] Theoretical investigations have suggested the presence of Intermediate Mass Black Holes (IMBHs, with masses in the 100-10000 Msun range) in the cores of some Globular Clusters (GCs). In...
The Environments of High-Redshift Quasi-Stellar Objects (2009)
Kim, Soyoung, Stiavelli, Massimo, Trenti, M., Pavlovsky, C. M., Djorgovski, S. G., Scarlata, C., ...
We present a sample of i_(775)-dropout candidates identified in five Hubble Advanced Camera for Surveys (ACS) fields centered on Sloan Digital Sky Survey quasi-stellar objects (QSOs) at redshift z ~...
Space Telescope Science Institute The Hubble Ultra Deep Field (2008)
Steven Beckwith, Rachel Somerville, Massimo Stiavelli
Near the beginning of Cycle 12, we will use 412 orbits of director’s discretionary time to observe a single field with the Advanced Camera for Surveys (ACS). The result will be the deepest field...
McCandliss, Stephan R., Kruk, Jeffrey W., Blair, William P., Kaiser, Mary Elizabeth, Feldman, Paul D., Meurer, Gerhardt R., ...
We explore the design of a space mission, Project Lyman, which has the goal of quantifying the ionization history of the universe from the present epoch to a redshift of z ~ 3. Observations from WMAP...
Intermediate Mass Black Hole Induced Quenching of Mass Segregation in Star Clusters (2008)
Gill, Michael, Trenti, Michele, Miller, M. Coleman, Van Der Marel, Roeland, Hamilton, Douglas, Stiavelli, Massimo
In many theoretical scenarios it is expected that intermediate-mass black holes (IMBHs, with masses M ~ 100-10000 solar masses) reside at the centers of some globular clusters. However, observational...
The Environments of High Redshift QSOs (2008)
Kim, Soyoung, Stiavelli, Massimo, Trenti, M., Pavlovsky, C. M., Djorgovski, S. G., Scarlata, C., ...
We present a sample of $i_{775}$-dropout candidates identified in five Hubble Advanced Camera for Surveys fields centered on Sloan Digital Sky Survey QSOs at redshift $z\sim 6$. Our fields are as...
Observational Cosmology with the ELT and JWST (2007)
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 detecting the first...
1 Internal Structure of high-z Galaxies with NGST (2007)
Models of galaxy evolution are used to determine the redshift interval, sampled in the 1--5m wavelength window, over which metallicity, internal extinction, and internal kinematics of high redshift...
Gardner, Jonathan P., Fan, Xiaohui, Wilson, Gillian, Stiavelli, Massimo
The James Webb Space Telescope (JWST) is the successor to the Hubble and Spitzer Space Telescopes. It has a broad scientific mission which includes spectroscopic studies of the epoch of reionization...
The Hubble Ultra Deep Field (2006)
Beckwith, Steven V. W., Stiavelli, Massimo, Koekemoer, Anton M., Caldwell, John A. R., Ferguson, Henry C., Hook, Richard, ...
This paper presents the Hubble Ultra Deep Field (HUDF), a one million second exposure of an 11 square minute-of-arc region in the southern sky with the Hubble Space Telescope. The exposure time was...
The James Webb Space Telescope (2006)
Gardner, Jonathan P., Mather, John C., Clampin, Mark, Doyon, Rene, Greenhouse, Matthew A., Hammel, Heidi B., ...
The James Webb Space Telescope (JWST) is a large (6.6m), cold (50K), infrared-optimized space observatory that will be launched early in the next decade. The observatory will have four instruments: a...
Science with the James Webb space telescope (2006)
Gardner, Jonathan P., Mather, John C., Clampin, Mark, Doyon, Rene, Greenhouse, Matthew A., Hammel, Heidi B., ...
The scientific capabilities of the James Webb Space Telescope (JWST) fall into four themes. The End of the Dark Ages: First Light and Reionization theme seeks to identify the first luminous sources...
The Hubble Ultra Deep Field (2006)
Beckwith, Steven V. W., Stiavelli, Massimo, Koekemoer, Anton M., Caldwell, John A. R., Ferguson, Henry C., Hook, Richard, ...
This paper presents the Hubble Ultra Deep Field (HUDF), a 1 million s exposure of an 11 arcmin2 region in the southern sky with the Advanced Camera for Surveys on the Hubble Space Telescope using...
Hughes, MA, Axon, David, Atkinson, John, Alonso-Herrero, Almudena, Scarlata, Claudia, Marconi, Alessandro, ...
Also archived in: arXiv:astro-ph/0503693 v1 31 Mar 2005
Hughes, M., Axon, David, Atkinson, John, Alonso-Herrero, Almudena, Scarlata, Claudia, Marconi, Alessandro, ...
Also archived in: arXiv:astro-ph/0503693 v1 31 Mar 2005
Atkinson, John, Collett, JL, Marconi, Alessandro, Axon, David, Alonso-Herrero, Almudena, Batcheldor, Dan, ...
Also archived in: arXiv:astro-ph/0502573 v1 28 Feb 2005
Atkinson, John, Collett, J., Marconi, Alessandro, Axon, David, Alonso-Herrero, Almudena, Batcheldor, Dan, ...
Also archived in: arXiv:astro-ph/0502573 v1 28 Feb 2005
Scarlata, Claudia, Stiavelli, Massimo, Hughes, M, Axon, David, Alonso-Herrero, Almudena, Atkinson, John, ...
Also archived in: arXiv:astro-ph/0408435 v1 24 Aug 2004
Scarlata, Claudia, Stiavelli, Massimo, Hughes, M., Axon, David, Alonso-Herrero, Almudena, Atkinson, John, ...
Also archived in: arXiv:astro-ph/0408435 v1 24 Aug 2004
A Redshift z=5.4 Lyman alpha Emitting Galaxy with Linear Morphology in the GRAPES/UDF Field (2004)
Rhoads, James E., Panagia, Nino, Windhorst, Rogier A., Malhotra, Sangeeta, Pirzkal, Norbert, Xu, Chun, ...
We have discovered an extended Lyman alpha plume associated with a compact source at redshift 5.4 in slitless spectroscopic data from the Grism ACS Program for Extragalactic Science (GRAPES) project....
Galactic cannibalism and CDM density profiles (2004)
Nipoti, Carlo, Treu, Tommaso, Ciotti, Luca, Stiavelli, Massimo
Using N-body simulations we show that the process of formation of the brightest cluster galaxy through dissipationless galactic cannibalism can affect the inner cluster dark matter density profile....
Is there really a black hole at the center of NGC 4041? - Constraints from gas kinematics (2003)
Marconi, Alessandro, Axon, David, Capetti, Alessandro, Maciejewski, Witold, Atkinson, John, Batcheldor, Dan, ...
Also archived in: arXiv:astro-ph/0211650 v1 29 Nov 2002
The Hubble Deep Field South flanking fields (2003)
Lucas, Ray, Baum, Stefi, Brown, Thomas, Casertano, Stefano, Conselice, Chris, De Mello, Duilia, ...
Also archived in: arXiv: astro-ph/0212416 v1 18 Dec 2002
The Hubble Deep Field South flanking fields (2003)
Lucas, Ray, Baum, Stefi, Brown, Thomas, Casertano, Stefano, Conselice, Chris, De Mello, Duilia, ...
Also archived in: arXiv: astro-ph/0212416 v1 18 Dec 2002
The Hubble Deep Field South Flanking Fields (2002)
Lucas, Ray A., Baum, Stefi A., Brown, Thomas M., Casertano, Stefano, Conselice, Chris, De Mello, Duilia, ...
As part of the Hubble Deep Field South program, a set of shorter 2-orbit observations were obtained of the area adjacent to the deep fields. The WFPC2 flanking fields cover a contiguous solid angle...
Exploring the cosmic dark ages with the next generation of space and ground-based facilities (2002)
This paper reviews our current understanding of the process of re-ionization of the Universe, focusing especially on those models where re-ionization is caused by UV radiation from massive stars....
The Dynamical Evolution of Substructure (2002)
Zhang, Bing, Wyse, Rosemary F. G., Stiavelli, Massimo, Silk, Joseph
The evolution of substructure embedded in non-dissipative dark halos is studied through N-body simulations of isolated systems, both in and out of initial equilibrium, complementing cosmological...
Dynamical Friction in dE Globular Cluster Systems (2001)
Lotz, Jennifer M., Telford, Rosemary, Ferguson, Henry C., Miller, Bryan W., Stiavelli, Massimo, Mack, Jennifer
The dynamical friction timescale for globular clusters to sink to the center of a dwarf elliptical galaxy (dE) is significantly less than a Hubble time if the halos have King-model or isothermal...
The black hole mass vs bulge mass relationship in spiral galaxies (2001)
Marconi, Alessandro, Axon, David, Atkinson, John, Binney, James, Capetti, Alessandro, Carollo, C. Marcella, ...
"Galaxies and their Constituents at the Highest Angular Resolutions", Proceedings of the International Astronomical Union Symposium #205. Astronomical Society of the Pacific. Held in Manchester,...
WFPC2 Observations of the Hubble Deep Field-South (2000)
Casertano, Stefano, De Mello, Duilia, Dickinson, Mark, Ferguson, Henry C., Fruchter, Andrew S., Gonzalez-Lopezlira, Rosa A., ...
The Hubble Deep Field-South observations targeted a high-galactic-latitude field near QSO J2233-606. We present WFPC2 observations of the field in four wide bandpasses centered at roughly 300, 450,...
The Lyman-alpha forest of the QSO in the Hubble Deep Field South (1999)
Savaglio, Sandra, Ferguson, Henry, Brown, Thomas, Espey, Brian, Sahu, Kailash, Baum, Stefi, ...
Also archived in: arXiv: astro-ph/9901022 v3 5 Feb 1999
The Lyman-alpha forest of the QSO in the Hubble Deep Field South (1999)
Savaglio, Sandra, Ferguson, Henry, Brown, Thomas, Espey, Brian, Sahu, Kailash, Baum, Stefi, ...
Also archived in: arXiv: astro-ph/9901022 v3 5 Feb 1999
An Extremely red r^{1/4} galaxy in the test image of the Hubble Deep Field South (1998)
Treu, Tommaso, Stiavelli, Massimo, Walker, Alistair, Williams, Robert, Baum, Stefi, Bernstein, Gary, ...
Also archived in: arXiv: astro-ph/9808282 v1 25 Aug 1998
An extremely red r^{1/4} galaxy in the test image of the Hubble Deep Field South (1998)
Treu, Tommaso, Stiavelli, Massimo, Walker, Alistair, Williams, Robert, Baum, Stefi, Bernstein, Gary, ...
Also archived in: arXiv: astro-ph/9808282 v1 25 Aug 1998
Does the Fine Structure Constant Really Vary in Time? (1998)
Livio, Mario, Stiavelli, Massimo
We discuss how laboratory experiments can be used to place constraints on possible variations of the fine structure constant alpha in the observationally relevant redshift interval z ~= 0 - 5, within...
Thesis (Ph. D.)--Scuola Normale Superiore di Pisa, 1987.