A TECHNIQUE FOR PROBABILITY DENSITY FUNCTION MEASUREMENT, (2005)
A method is described for measuring the probability density function of a random signal. Conventional operational amplifiers, an oscillator and a pulse counter are used for this purpose. (Author)
A VLT spectroscopic survey of RX J0152.7-1357, a forming cluster of galaxies at z = 0.837 (2005)
Demarco, R., Rosati, P., Lidman, C., Homeier, N. L., Scannapieco, E., Benitez, N., ...
A VLT spectroscopic survey of RX J0152.7-1357, a forming cluster of galaxies at z=0.837 (2004)
Demarco, R., Rosati, P., Lidman, C., Homeier, N. L., Scannapieco, E., Benitez, N., ...
We present the results of an extensive spectroscopic survey of RX J0152.7-1357, one of the most massive distant clusters of galaxies known. Multi-object spectroscopy, carried out with FORS1 and FORS2...
Solar system observing with the space infrared telescope facility (2004)
Meadows, V., Hoard, D., Marston, A. P., McCollum, B., Rebull, L. M., Silberman, N., ...
Solar system observing with the Space Infrared Telescope Facility (2004)
Burgdorf, M., Meadows, V. S., Hoard, D., Marston, A. P., McCollum, B., Rebull, L. M., ...
Huo, Z., Xue, S., Xu, H., Squires, G., Rosati, P.
We present joint X-ray and optical observations of the high-redshift lensing cluster Cl J0152.7-1357 made with the Chandra X-Ray Observatory and the Keck telescope.
The Far- and Mid-Infrared/Radio Correlations in the Spitzer Extragalactic First Look Survey (2004)
Appleton, P. N., Fadda, D. T., Marleau, F. R., Frayer, D. T., Helou, G., Condon, J. J., ...
Using the SPITZER SPACE TELESCOPE and the VLA, we present the first DIRECT evidence that the well-known far-infrared/radio correlation is valid to cosmologically significant redshift. We also...
Extragalactic Source Counts at 24 Microns in the Spitzer First Look Survey (2004)
Marleau, Francine R., Fadda, D., Storrie-Lombardi, L. J., Helou, G., Makovoz, D., Frayer, D. T., ...
We present the Spitzer MIPS 24 micron source counts in the Extragalactic First Look Survey main, verification and ELAIS-N1 fields. Spitzer's increased sensitivity and efficiency in large areal...
Wittman, D., Tyson, J. A., Dell'Antonio, I. P., Becker, A. C., Margoniner, V. E., Cohen, J., ...
The Deep Lens Survey (DLS) is a deep BVRz' imaging survey of seven 2x2 degree fields, with all data to be made public. The primary scientific driver is weak gravitational lensing, but the survey is...
Zaroubi, S, Squires, G, De Gasperis, G, Evrard, AE, Hoffman, Y, Silk, J
A general method of deprojecting two-dimensional images to reconstruct the three-dimensional structure of the projected object (specifically, X-ray, Sunyaev-Zeldovich [SZ], and gravitational lensing...
An X-ray Selected Galaxy Cluster at z=1.11 in the Rosat Deep Cluster Survey (2001)
Stanford, S. A., Holden, B. P., Rosati, P., Eisenhardt, P. R., Stern, D., Squires, G., ...
We report the discovery of an X-ray luminous galaxy cluster at z =1.11. RDCS J0910+5422 was selected as an X-ray cluster candidate in the ROSAT Deep Cluster Survey on the basis of its spatial extent...
X-ray temperature and morphology of z>0.8 clusters of galaxies (2001)
Holden, B., Stanford, S. A., Rosati, P., Tozzi, P., Squires, G., Borgani, S., ...
We discuss our current progress in studying a sample of z>0.8 clusters of galaxies from the ROSAT Distant Cluster Survey. To date, we have Chandra observations for four of the ten clusters. We find...
Measuring $\Omega_m$ with the ROSAT Deep Cluster Survey (2001)
Borgani, S., Rosati, P., Tozzi, P., Stanford, S. A., Eisenhardt, P. E., Lidman, C., ...
We analyze the ROSAT Deep Cluster Survey (RDCS) to derive cosmological constraints from the evolution of the cluster X-ray luminosity distribution. The sample contains 103 galaxy clusters out to...
RX J0848+4456: Disentangling a Moderate Redshift Cluster (2001)
Holden, B. P., Stanford, S. A., Rosati, P., Squires, G., Tozzi, P., Fosbury, R. A. E., ...
We present a multi-wavelength study of RX J0848+4456, a cluster of galaxies discovered through X-ray emission in the ROSAT Deep Cluster Survey. Our observations consist of WFPC2 imaging, optical...
Zaroubi, S., Squires, G., De Gasperis, G., Evrard, A., Hoffman, Y., Silk, J.
A general method of deprojecting two-dimensional images to reconstruct the three dimensional structure of the projected object --specifically X-ray, Sunyaev-Zel'dovich (SZ) and gravitational lensing...
Weak lensing mass reconstruction of MS1008.1-1224 (2000)
Lombardi, M., Rosati, P., Nonino, M., Girardi, M., Borgani, S., Squires, G.
We present an in-depth weak lensing analysis of the cluster MS1008 based on deep multicolor imaging obtained during the Science Verification of FORS1 at the VLT. The image quality (half arcsec...
Della Ceca, R., Scaramella, R., Gioia, I. M., Rosati, P., Fiore, F., Squires, G.
We present X-ray observations of two high redshift clusters of galaxies carried out with the BeppoSAX satellite. One cluster, RXJ0152.7-1357 at z = 0.83, was selected from the ROSAT Deep Cluster...
The Host Galaxy of GRB 990123 (1999)
Bloom, J. S., Odewahn, S. C., Djorgovski, S. G., Koresko, C., Neugebauer, G., ...
We present deep images of the field of gamma-ray burst (GRB) 990123 obtained in a broad-band UV/visible bandpass with the Hubble Space Telescope, and deep near-infrared images obtained with the...
Deprojection of Rich Cluster Images (1998)
Zaroubi, S., Squires, G., Hoffman, Y., Silk, J.
We consider a general method of deprojecting 2D images to reconstruct the 3D structure of the projected object, assuming axial symmetry. The method consists of the application of the Fourier Slice...
Weak lensing analysis of Cl 1358+62 using Hubble Space Telescope observations (1997)
Hoekstra, H., Franx, M., Kuijken, K., Squires, G.
We report on the detection of weak gravitational lensing of faint, distant background galaxies by Cl 1358+62, a cluster of galaxies at a redshift of z=0.33. The observations were made using the HST....
A Weak Gravitational Lensing and X-ray Analysis of Abell 2163 (1996)
Squires, G., Neumann, D. M., Kaiser, N., Arnaud, M., Babul, A., Böhringer, H., ...
We report on the detection of dark matter in the cluster of galaxies Abell~2163 using the weak gravitational distortion of background galaxies, and an analysis of the cluster X-ray emission. We find...
A Weak Gravitational Lensing Analysis of Abell 2390 (1996)
Squires, G., Kaiser, N., Fahlman, G., Babul, A., Woods, D.
We report on the detection of dark matter in the cluster Abell 2390 using the weak gravitational distortion of background galaxies. We find that the cluster light and total mass distributions are...
Squires, G., Kaiser, N., Babul, A., Fahlman, G., Woods, D., Neumann, D. M., ...
We report on the detection of dark matter in the cluster Abell 2218 using the weak gravitational distortion of background galaxies. We find a highly significant, coherent detection of the distortion...
Typescript (photocopy).
Ronzio, C, Pamuk, E, Squires, G
Objective: To examine the association between (1) local political party, (2) urban policies, measured by spending on local programmes, and (3) income inequality with premature mortality in large US...