Jouvel, S., Ilbert, O., Bernstein, G., Arnouts, S., Dahlen, T., ...
Context. Future dark energy space missions such as JDEM and EUCLID are being designed to survey the galaxy population to trace the geometry of the universe and the growth of structure, which both...
Jouvel, S., Kneib, J-P., Ilbert, O., Bernstein, G., Arnouts, S., Dahlen, T., ...
Future dark energy space missions such as JDEM and EUCLID are being designed to survey the galaxy population to trace the geometry of the universe and the growth of structure, which both depend on...
Goobar, A., Paech, K., Stanishev, V., Amanullah, R., Dahlen, T., Jonsson, J., ...
Powerful gravitational telescopes in the form of massive galaxy clusters can be used to enhance the light collecting power over a limited field of view by about an order of magnitude in flux. This...
Relation Between Stellar Mass and Star Formation Activity in Galaxies (2008)
Mobasher, Bahram, Dahlen, T., Hopkins, A., Scoville, N. Z., Capak, P., Rich, R. M., ...
For a mass-selected sample of 66544 galaxies with photometric redshifts from the Cosmic Evolution Survey (COSMOS), we examine the evolution of star formation activity as a function of stellar mass in...
GRB 070714B - Discovery of the Highest Spectroscopically Confirmed Short Burst Redshift (2008)
Graham, J. F., Fruchter, A. S., Levan, A. J., Melandri, A., Kewley, L. J., Levesque, E. M., ...
We detect the optical afterglow and host galaxy of GRB 070714B. Our observations of the afterglow show an initial plateau in the lightcurve for approximately the first 5 to 25 minutes, then...
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...
GRB 070714B - Discovery of the Highest Spectroscopically Confirmed Short Burst Redshift (2008)
Graham, J. F., Fruchter, A. S., Levan, A. J., Nysewander, M., Tanvir, N. R., Dahlen, T., ...
Gemini Nod & Shuffle spectroscopy on the host of the short GRB 070714B shows a single emission line at 7167 angstroms which, based on a grizJHK photometric redshift, we conclude is the 3727 angstrom...
Instrument Science Report NICMOS 2008-004 Summary of NICMOS SMOV4 Plans (2008)
T. Wiklind, E. Barker, E. Bergeron, T. Dahlen, R. De Jong, A. Koekemoer, ...
This ISR outlines the NICMOS plan for Servicing Mission Observatory Verification 4 (SMOV4). It presents the NICMOS requirements, the planned activities to fulfill these requirements and a brief plan...
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...
Mattila, S., Vaisanen, P., Farrah, D., Efstathiou, A., Meikle, W. P. S., Dahlen, T., ...
We report a supernova discovery in Ks-band images from the NAOS CONICA adaptive optics (AO) system on the ESO Very Large Telescope (VLT). The images were obtained as part of a near-infrared search...
Photometric Redshifts of Galaxies in COSMOS (2007)
Mobasher, B., Capak, P., Scoville, N. Z., Dahlen, T., Salvato, M., Aussel, H., ...
We measure photometric redshifts and spectral types for galaxies in the COSMOS survey. We use template fitting technique combined with luminosity function priors and with the option to simultaneously...
Photometric redshifts of galaxies in COSMOS (2007)
Mobasher, B., Capak, P., Scoville, N. Z., Dahlen, T., Salvato, M., Aussel, H., ...
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...
Mattila, S., Vaisanen, P., Farrah, D., Efstathiou, A., Meikle, W. P. S., Dahlen, T., ...
Publicación ISI
Mattila, S., Vaisanen, P., Farrah, D., Efstathiou, A., Meikle, W. P. S., Dahlen, T., ...
Publicación ISI
Type Ia supernova rate at a redshift of ~ 0.1 (2006)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Type Ia supernova rate at a redshift of ~ 0.1 (2006)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Type Ia supernova rate at a redshift of ~ 0.1 (2006)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Photometric Redshifts of Galaxies in COSMOS (2006)
Mobasher, B., Capak, P., Scoville, N. Z., Dahlen, T., Salvato, M., Aussel, H., ...
We measure photometric redshifts and spectral types for galaxies in the COSMOS survey. We use template fitting technique combined with luminosity function priors and with the option to simultaneously...
Near Ultraviolet sources in the Great Observatories Origins Deep Survey Fields (2006)
De Mello, Duilia, Dahlen, T., Gardner, J. P., Grogin, N. A.
We present an Ultraviolet (UV) selected sample of 268 objects in the two fields of the Great Observatories Origins Deep Survey (GOODS). We used the parallel observations taken with WFPC2 in the...
Long gamma-ray bursts and core-collapse supernovae have different environments (2006)
Fruchter, A.S., Levan, A.J., Strolger, L., Vreeswijk, P.M., Thorsett, S.E., Bersier, D., ...
When massive stars exhaust their fuel they collapse and often produce the extraordinarily bright explosions known as core-collapse supernovae. On occasion, this stellar collapse also powers an even...
Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2006)
Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...
We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...
Long gamma-ray bursts and core-collapse supernovae have different environments (2006)
Fruchter, A. S., Levan, A. J., Strolger, L., Vreeswijk, P. M., Thorsett, S. E., Bersier, D., ...
When massive stars exhaust their fuel they collapse and often produce the extraordinarily bright explosions known as core-collapse supernovae. On occasion, this stellar collapse also powers an even...
Spitzer Observations of Massive Red Galaxies at High Redshift (2005)
Papovich, Casey, Moustakas, L. A., Dickinson, M., Floc'h, E. Le, Rieke, G. H., Daddi, E., ...
We investigate the properties of massive galaxies at z=1-3.5 using HST observations, ground-based near-IR imaging, and Spitzer Space Telescope observations at 3-24 micron. We identify 153 distant red...
Star--forming galaxies at intermediate redshifts: morphology, ages and sizes (2005)
De Mello, Duilia. F., Wadadekar, Y., Dahlen, T., Casertano, S., Gardner, J. P.
We present the analysis of the deepest near-UV image obtained with HST using the WFPC2(F300W) as part of the parallel observations of the Ultra Deep Field campaign. The U-band 10sigma limiting...
Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2005)
Garavini, G., Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...
Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2005)
Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...
We present optical spectra of the peculiar Type Ia supernova (SN Ia) 1999ac. The data extend from -15 to +42 days with respect to B-band maximum and reveal an event that is unusual in several...
Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2005)
Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...
We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...
Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2005)
Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...
We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...
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...
Riess, A. G., Dahlen, T., Livio, M., Panagia, N., Challis, P., ...
We present results from the Hubble Higher-z Supernova Search, the first space-based open field survey for supernovae (SNe). In cooperation with the Great Observatories Origins Deep Survey, we have...
Type Ia supernova rate at a redshift of ~;0.1 (2004)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
Type Ia supernova rate at a redshift of ~ 0.1 (2004)
Blanc, G., Afonso, C., Alard, C., Albert, J. N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2004)
Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...
We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...
Type Ia supernova rate at a redshift of ~ 0.1 (2004)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Type Ia supernova rate at a redshift of ~ 0.1 (2004)
Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...
We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...
Photometric Redshifts for galaxies in the GOODS southern field (2004)
Mobasher, B., Idzi, R., Benítez, N., Cimatti, A., Christiani, S., Daddi, E., ...
Spectroscopic observations and analysis of the peculiar SN 1999aa (2003)
Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...
We present an extensive new time series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...
Photometric Redshifts for Galaxies in the GOODS Southern Field (2003)
Mobasher, B., Idzi, R., Benitez, N., Cimatti, A., Cristiani, S., Daddi, E., ...
We use extensive multi-wavelength photometric data from the Great Observatories Origins Deep Survey (GOODS) to estimate photometric redshifts for a sample of 434 galaxies with spectroscopic redshifts...
The Nature of Near-UV Selected Objects in the Chandra Deep Field South (2003)
De Mello, Duilia. F., Gardner, Jonathan. P., Dahlen, T., Conselice, C. J., Grogin, N. A., Koekemoer, A. M.
We present the first results of the pure parallel near-UV observations with WFPC2 in the Chandra Deep Field South. The main goal is to search for the population of objects that contribute to the rise...
The Type Ia Supernova 1999aw: a Probable 1999aa-like Event In a Low-Luminosity Host Galaxy (2002)
Smith, R. C., Suntzeff, N. B., Phillips, M. M., Aldering, G., Nugent, P., ...
SN 1999aw was discovered during the first campaign of the Nearby Galaxies Supernova Search (NGSS) project. This luminous, slow-declining (Delta m_{15} (B) = 0.81 \pm 0.03) Type Ia supernova was...
SNOC: a Monte-Carlo simulation package for high-z supernova observations (2002)
Goobar, A., Mortsell, E., Amanullah, R., Goliath, M., Bergstrom, L., Dahlen, T.
We present a Monte-Carlo package for simulation of high-redshift supernova data, SNOC. Optical and near-infrared photons from supernovae are ray-traced over cosmological distances from the simulated...