SPACE: the spectroscopic all-sky cosmic explorer (2009)
Cimatti, A., Robberto, M., Baugh, C., Beckwith, S. V. W., Content, R., Daddi, E., ...
We describe the scientific motivations, the mission concept and the instrumentation of SPACE, a class-M mission proposed for concept study at the first call of the ESA Cosmic-Vision 2015–2025...
The UDF05 Follow-up of the HUDF: II. Constraints on Reionization from z-dropout Galaxies (2008)
Oesch, P. A., Carollo, C. M., Stiavelli, M., Trenti, M., Bergeron, L. E., Koekemoer, A. M., ...
[Abridged] We detect three (plus one less certain) z-dropout sources in two separate fields of our UDF05 HST NICMOS images. These z~7 Lyman-Break Galaxy (LBG) candidates allow us to constrain the...
SPACE: the SPectroscopic All-sky Cosmic Explorer (2008)
Cimatti, A., Robberto, M., Baugh, C. M., Beckwith, S. V. W., Content, R., Daddi, E., ...
We describe the scientific motivations, the mission concept and the instrumentation of SPACE, a class-M mission proposed for concept study at the first call of the ESA Cosmic-Vision 2015-2025...
Oesch, P. A., Stiavelli, M., Carollo, C. M., Bergeron, L. E., Koekemoer, A. M., Lucas, R. A., ...
We present the UDF05 project, a HST Large Program of deep ACS (F606W, F775W, F850LP) and NICMOS (F110W, F160W) imaging of three fields, two of which coincide with the NICP1-4 NICMOS parallel...
Oesch, P. A., Stiavelli, M., Carollo, C. M., Bergeron, L. E., Koekemoer, A. M., Lucas, R. A., ...
We present the UDF05 HST program, which consists of three disjoint fields-NICP12, NICP34, plus the HUDF-with deep ACS (F606W, F775W, and F850LP) and NICMOS (F110W and F160W) imaging. Here we use the...
GEMS Survey Data and Catalog (2005)
Caldwell, J. A. R., McIntosh, D. H., Rix, H-W., Barden, M., Beckwith, S. V. W., Bell, E. F., ...
We describe the data reduction and object cataloging for the GEMS survey, a large-area (800 arcmin^2) two-band (F606W and F850LP) imaging survey with the Advanced Camera for Surveys on HST, centered...
GEMS: Which galaxies dominate the z~0.7 ultraviolet luminosity density? (2005)
Wolf, C., Bell, E. F., McIntosh, D. H., Barden, M., Beckwith, S. V. W., ...
We combine high-resolution images from GEMS with redshifts and spectral energy distributions from COMBO-17 to explore the morphological types of galaxies that dominate the z~0.7 UV luminosity...
Moro-Martín, A., Meyer, M. R., Hillenbrand, L. A., Backman, D. E., Beckwith, S. V. W., Bouwman, J., ...
We present 3-160 mum photometry obtained with IRAC and MIPS, spectrophotometry from 5-35 mum using IRS low resolution, and IRS high resolution spectrum of HD 105 (G0 V, 30±10 Myr, 40±1 pc) and HD...
The Orion Nebula in the mid-infrared (2005)
Robberto, M., Beckwith, S. V. W., Panagia, N., Patel, S. G., Herbst, T. M., Ligori, S., ...
We present two wide-field (~5'_3&farcm;5), diffraction-limited (lambda/D~=0.5" at 10 mum), broadband 10 and 20 mum images of the Orion Nebula, plus six 7-13 mum narrowband (lambda/Deltalambda~=1)...
The Orion Nebula in the mid-IR (2004)
Robberto, M., Beckwith, S. V. W., Panagia, N., Patel, S. G., Herbst, T. M., Ligori, S., ...
We present two wide-field (5'x5'), diffraction limited, broad-band 10 and 20 micron images of the Orion Nebula, plus six 7-13 micron narrow-band images of BN/KL taken at the 3.8m UKIRT telescope. The...
Massive Star Feedback on the IMF (2004)
Robberto, M., Song, J., Carrillo, G. Mora, Beckwith, S. V. W., Makidon, R. B., Panagia, N.
We have obtained the first measures of the mass accretion rates on stars of the Trapezium Cluster. They appear systematically lower than those of similar stars in the Taurus-Auriga association....
The Detection and Study of Pre-Planetary Disks (2004)
Sargent, A.I., Beckwith, S.V.W.
A variety of evidence suggests that at least 50% of low-mass stars are surrounded by disks of the gas and dust similar to the nebula that surrounded the Sun, before the formation of the planets. The...
Bar Evolution Over the Last Eight Billion Years: A Constant Fraction of Strong Bars in GEMS (2004)
Jogee, S., Barazza, F. D., Shlosman, I., Barden, M., Wolf, C., ...
One third of present-day spirals host optically visible strong bars that drive their dynamical evolution. However, the fundamental question of how bars evolve over cosmological times has yet to be...
GEMS: which galaxies dominate the z~0.7 ultraviolet luminosity density? (2004)
Wolf, C., Bell, E. F., McIntosh, D. H., Barden, M., Beckwith, S. V. W., ...
We combine high-resolution images from GEMS with redshifts and spectral energy distributions from COMBO-17 to explore the morphological types of galaxies that dominate the z~0.7 UV luminosity...
Evolution and Impact of Bars over the Last Eight Billion Years: Early Results from GEMS (2004)
Jogee, S., Barazza, F. D., Davies, J., Heyer, I., Barden, M., ...
Bars drive the dynamical evolution of disk galaxies by redistributing mass and angular momentum, and they are ubiquitous in present-day spirals. Early studies of the Hubble Deep Field reported a...
Meyer, M. R., Hillenbrand, L. A., Backman, D. E., Beckwith, S. V. W., Bouwman, J., Brooke, T. Y., ...
We present 3-160 micron photometry obtained with the IRAC and MIPS instruments for the first five targets from the Spitzer Legacy Science Program "Formation and Evolution of Planetary Systems" and...
Evolution of optically faint AGN from COMBO-17 and GEMS (2004)
Wisotzki, L., Jahnke, K., Sanchez, S. F., Wolf, C., Barden, M., Bell, E. F., ...
We have mapped the AGN luminosity function and its evolution between z=1 and z=5 down to apparent magnitudes of $R
Colors of AGN host galaxies at 0.5 (2004)
Sanchez, S. F., Jahnke, K., Wisotzki, L., McIntosh, D. H., Bell, E. F., Barden, M., ...
We present the results from a study of the host galaxies of 15 optically selected AGNs with 0.5
UV light from young stars in GEMS quasar host galaxies at 1.8 (2004)
Jahnke, K., Sanchez, S. F., Wisotzki, L., Barden, M., Beckwith, S. V. W., Bell, E. F., ...
We have performed HST imaging of a sample of 23 high-redshift (1.8
Robberto, M., Song, J., Carrillo, G. Mora, Beckwith, S. V. W., Makidon, R. B., Panagia, N.
We have performed the first measures of mass accretion rates in the core of the Orion Nebula Cluster. Four adjacent fields centered on the Trapezium stars have been imaged in the U- and B-bands using...
Meyer, M. R., Hillenbrand, L. A., Backman, D. E., Beckwith, S. V. W., Bouwman, J., Brooke, T. Y., ...
We present 3-160 mum photometry obtained with the Infrared Array Camera (IRAC) and Multiband Imaging Photometer for Spitzer (MIPS) instruments for the first five targets from the Spitzer Space...
Formation and Evolution of Planetary Systems: A SIRTF Legacy Science Program Progess Report (2003)
Soderblom, D., Meyer, M. R., Backman, Dana, Beckwith, S. V. W., Brooke, T. Y., Carpenter, J. M., ...
Bar-driven galaxy evolution at intermediate redshifts (2003)
Jogee, S., Lubell, G., Davies, J., Peng, C. Y., Somerville, R. S., ...
Non-axisymmetric features such as bars drive the dynamical and secular evolution of disk galaxies by exerting gravitational torques which redistribute mass and angular momentum. While most ( gt; 70...
Morphologies and SEDs for 10,000 Galaxies to z = 1.2: Early results from GEMS (2003)
Somerville, R. S., Barden, M., Beckwith, S. V. W., Bell, E., Borch, A., Caldwell, J., ...
The GEMS (Galaxy Evolution from Morphology and SEDs) project combines high precision photometric redshifts and SEDs (from COMBO-17) with ACS imaging for 10,000 galaxies from 0.1 lt; z lt; 1.2. I will...
Robberto, M., Beckwith, S. V. W., Panagia, N.
We model the IR Spectral Energy Distribution of circumstellar disks embedded in a HII region and photoevaporated by the external UV radiation. The model applies to the photoevaporated disks...
Mid-IR Imaging of the BN/KL Region (2002)
Robberto, M., Beckwith, S. V. W., Ligori, S., Herbst, T. M., Custo, A., Boccacci, P., ...
Evolution of Planetary Systems: SIRTF Legacy Science in the VLT Era (2002)
Meyer, M. R., Backman, D., Beckwith, S. V. W., Brooke, T. Y., Carpenter, J. M., Cohen, M., ...
Mid-ir imaging of the bn/kl region (2002)
Beckwith, S. V. W., Bertero, M., Boccacci, P., Custo, A., Herbst, T. M., Ligori, S., ...
The Formation and Evolution of Planetary Systems: SIRTF Legacy Science in the VLT Era (2001)
Meyer, M. R., Backman, D., Beckwith, S. V. W., Brooke, T. Y., Carpenter, J. M., Cohen, M., ...
We will utilize the sensitivity of SIRTF through the Legacy Science Program to carry out spectrophotometric observations of solar-type stars aimed at (1) defining the timescales over which...
The Calar Alto Deep Imaging Survey: K-band Galaxy Number Counts (2001)
Thompson, D., Kümmel, M. W., Meisenheimer, K., Wolf, C., Beckwith, S. V. W., ...
We present K-band number counts for the faint galaxies in the Calar Alto Deep Imaging Survey (CADIS). We covered 4 CADIS fields, a total area of 0.2deg^2, in the broad band filters B, R and K. We...
Multi-color Classification in the Calar Alto Deep Imaging Survey (2000)
Wolf, C., Meisenheimer, K., Beckwith, S. V. W., Chaffee, F. H., ...
We use a multi-color classification method introduced by Wolf, Meisenheimer & Roeser (2000) to reliably identify stars, galaxies and quasars in the up to 16-dimensional color space provided by the...
Herbst, T. M., Thompson, D., Fockenbrock, R., Beckwith, S. V. W.
We report preliminary results of a deep near-infrared search for methane-absorbing brown dwarfs; almost five years after the discovery of Gl 229b, there are only a few confirmed examples of this type...
The Surface Density of Extremely Red Objects (1999)
Thompson, D., Beckwith, S. V. W., Fockenbrock, R., Fried, J., Hippelein, H., ...
We present initial results from a field survey for extremely red objects (EROs, defined here as (R-K') >= 6 mag) covering 154 square arcminutes of sky, from the first of 7 deep, wide-field K' images...
Mannucci, F., Thompson, D., Beckwith, S. V. W., Williger, G. M.
Eighteen candidates for emission line galaxies were discovered in a narrow-band infrared survey that targeted the redshifts of damped Lyman-alpha or metal lines in the spectra of quasars. The...
An Infrared Emission Line Galaxy at z = 2.43 (1998)
Beckwith, S. V. W., Thompson, D., Mannucci, F., Djorgovski, S. G.
An object discovered during an infrared survey of the field near the quasar B2 0149+33 has an emission line at 2.25$\mu$m that we interpret as H$\alpha$ at a redshift of 2.43. The K-band image shows...
Circumstellar Disks Around Pre-Main-Sequence Stars: What ISO Can Tell Us (1997)
Natta, A., Meyer, M. R., Beckwith, S. V. W.
ISO observations will improve our understanding of disks around low-mass pre-main-sequence stars in various ways. In particular, ISO can measure simultaneously spectral energy distributions and...
Meyer, Michael R., Beckwith, S. V. W., Herbst, T. M., Robberto, M.
We report mid--IR observations of two young stars found in the Taurus dark cloud spatially resolving for the first time their 10 $\mu$m emission. The weak-emission T Tauri star DI Tau, tentatively...
A Narrowband Imaging Survey for High Redshift Galaxies in the Near Infrared (1996)
Thompson, D., Mannucci, F., Beckwith, S. V. W.
A narrowband imaging survey of 276 square minutes of arc was carried out at near infrared wavelengths to search for emission line objects at high redshifts. Most of the fields contained a known...
Consequences of a Non-Detection of Forming Galaxies by an Infrared Survey (1996)
Mannucci, F., Thompson, D., Beckwith, S. V. W.
We present the results of a narrowband search for forming galaxies at high redshifts. Given the coverage of 276 square minutes of arc, this is the most extended search for extragalactic emission line...