P. C. Tavares, D. Alves, M. Shapouri
Saltpans with different management levels were studied for macroinvertebrate community and abiotic variables like water depth, water conductivity, and organic matter in sediments. Significant...
EROS and MACHO Combined Limits on Planetary Mass Dark Matter in the Galactic Halo (2007)
Alcock Allsman, C. Alcock, R. A. Allsman, D. Alves, R. Ansari, E. Aubourg, ...
The EROS and MACHO collaborations have each published upper limits on the amount of planetary mass dark matter in the Galactic Halo obtained from gravitational microlensing searches. In this paper...
Borissova, J., Minniti, D., Rejkuba, M., Alves, D.
All galaxies that have been adequately examined so far have shown an extended stellar halo. To search for such a halo in the LMC we have obtained low-resolution spectra for 100 LMC RR Lyrae stars, of...
Linking Land-change science and policy: current lessons and future integration (2006)
Reid, R.S., Tomich, T.P., Xu, J., Geist, H.J., Mather, A., DeFries, R., ...
Mass-Losing Semiregular Variable Stars in Baade's Windows (2005)
Alard, C., Blommaert, J., Cesarsky, C., Epchtein, N., Felli, M., Fouque, P., ...
By cross-correlating the results of two recent large-scale surveys, the general properties of a well defined sample of semi-regular variable stars have been determined. ISOGAL mid-infrared photometry...
Properties of RR Lyrae stars in the Inner Regions of the Large Magellanic Cloud (2004)
Borissova, J., Minniti, D., Rejkuba, M., Alves, D., Cook, K. H., Freeman, K. C.
We present the radial velocities, metallicities and the K-band magnitudes of 74 RR Lyrae stars in the inner regions of the LMC. The intermediate resolution spectra and infrared images were obtained...
The Predictive Power of R0 in an Epidemic Probabilistic System (2003)
Alves, D., Haas, V. J., Caliri, A.
An important issue in theoretical epidemiology is the epidemic threshold phenomenon, which specify the conditions for an epidemic to grow or die out. In standard (mean-field-like) compartmental...
Integrated scenario in JET using real-time profile control (2003)
Joffrin,E., Crisanti,F., Felton,R., Litaudon,X., Mazon,D., Moreau,D., ...
The recent development of real-time measurements and control tools in JET has enhanced the reliability and reproducibility of the relevant ITER scenarios. Diagnostics such as charge exchange,...
Integrated scenario in JET using real-time profile control (2003)
Joffrin, E., Crisanti, F., Felton, R., Litaudon, X., Mazon, D., Moreau, D., ...
The recent development of real-time measurements and control tools in JET has enhanced the reliability and reproducibility of the relevant ITER scenarios. Diagnostics such as charge exchange,...
Overview of JET results (2003)
Pamela, J., Solano, E. R., Adams, J. M., Agarici, G., Agarici, M., Akhter, H., ...
Scientific and technical activities on JET focus on the issues likely to affect the ITER design and operation. Our understanding of the ITER reference mode of operation, the ELMy H-mode, has...
Integrated scenario in JET using real-time profile control (2003)
Joffrin, E., Crisanti, F., Felton, R., Litaudon, X., Mazon, D., Moreau, D., ...
The recent development of real-time measurements and control tools in JET has enhanced the reliability and reproducibility of the relevant ITER scenarios. Diagnostics such as charge exchange,...
Mass-Losing Semiregular Variable Stars in Baade's Windows (2001)
Alard, C., Blommaert, J., Cesarsky, C., Epchtein, N., Felli, M., Fouque, P., ...
By cross-correlating the results of two recent large-scale surveys, the general properties of a well defined sample of semi-regular variable stars have been determined. ISOGAL mid-infrared photometry...
Mass-Losing Semiregular Variable Stars in Baade's Windows (2001)
Alard, C., Blommaert, J., Cesarsky, C., Epchtein, N., Felli, M., Fouque, P., ...
By cross-correlating the results of two recent large-scale surveys, the general properties of a well defined sample of semi-regular variable stars have been determined. ISOGAL mid-infrared photometry...
Mass-Losing Semiregular Variable Stars in Baade's Windows (2001)
Alard, C., Blommaert, J., Cesarsky, C., Epchtein, N., Felli, M., Fouque, P., ...
By cross-correlating the results of two recent large-scale surveys, the general properties of a well defined sample of semi-regular variable stars have been determined. ISOGAL mid-infrared photometry...
Group selection models in prebiotic evolution (2000)
Alves, D., Campos, P. R. A., Silva, A. T. C., Fontanari, J. F.
The evolution of enzyme production is studied analytically using ideas of the group selection theory for the evolution of altruistic behavior. In particular, we argue that the mathematical...
Combined Analysis of the Binary Lens Caustic-Crossing Event MACHO 98-SMC-1 (2000)
Afonso, C, Alard, C, Albert, JN, Andersen, J, Ansari, R, Aubourg, E, ...
EROS and MACHO Combined Limits on Planetary Mass Dark Matter in the Galactic Halo (1999)
Alcock, C., Allsman, R.A., Alves, D., Ansari, R., Aubourg, E., Axelrod, T.S., ...
Difference Image Analysis of Galactic Microlensing II. Microlensing Events (1999)
Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A. C., Bennett, D. P., ...
The MACHO collaboration has been carrying out Difference Image Analysis (DIA) since 1996 with the aim of increasing the sensitivity to the detection of gravitational microlensing. This is a...
Difference Image Analysis of Galactic Microlensing I. Data Analysis (1999)
Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A. C., Bennett, D. P., ...
This is a preliminary report on the application of Difference Image Analysis (DIA) to galactic bulge images. The aim of this analysis is to increase the sensitivity to the detection of gravitational...
Discovery and Characterization of a Caustic Crossing Microlensing Event in the SMC (1998)
Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A. C., Bennett, D. P., ...
We present photometric observations and analysis of the second microlensing event detected towards the Small Magellanic Cloud (SMC), MACHO Alert 98-SMC-1. This event was detected early enough to...
IRAS 06562-0337, The Iron Clad Nebula: A New Young Star Cluster (1998)
Alves, D., Hoard, D. W., Rodgers, B.
IRAS 06562-0337 has been the recent subject of a classic debate: proto-planetary nebula or young stellar object? We present the first 2 micron image of IRAS 06562-0337, which reveals an extended...
The MACHO Project LMC Variable Star Inventory: Classical Cepheids and AGB Variables (1998)
Alves, D., Alcock, C., Cook, K., Marshall, S., Minniti, D., Allsman, R., ...
This paper has been withdrawn by the author.
EROS and MACHO Combined Limits on Planetary Mass Dark Matter in the Galactic Halo (1998)
Alcock, C., Allsman, R.A., Alves, D., Ansari, R., Aubourg, E., Axelrod, T.S., ...
EROS and MACHO Combined Limits on Planetary Mass Dark Matter in the Galactic Halo (1998)
Alcock, C., Allsman, R.A., Alves, D., Ansari, R., Aubourg, E., Axelrod, T.S., ...
Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A. C., Bennett, D. P., ...
We report the discovery of 20 1H/2H and 7 F/1H beat Cepheids in the SMC by the MACHO Project. We utilize the 20 1H/2H stars to determine lightcurve shape for the SMC second-overtone (2H) mode of...
First detection of a gravitational microlensing candidate towards the Small Magellanic Cloud (1997)
Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A. C., Bennett, D. P., ...
We report the first discovery of a gravitational microlensing candidate towards a new population of source stars, the Small Magellanic Cloud (SMC). The candidate event's light curve shows no...
Alcock, C., Allen, W. H., Allsman, R. A., Alves, D., Axelrod, T. S., Banks, T. S., ...
We present analysis of MACHO Alert 95-30, a dramatic gravitational microlensing event towards the Galactic bulge whose peak magnification departs significantly from the standard point-source...
Planetary Microlensing from the MACHO Project (1996)
Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A., ...
We present the lightcurves of two microlensing events from the MACHO Project data that are likely to be due to lenses with masses similar to Jupiter's mass. Although the MACHO Project survey data are...
Gravitational Microlensing Results from MACHO (1996)
Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A. C., ...
The MACHO project is searching for dark matter in the form of massive compact halo objects (Machos), by monitoring the brightness of millions of stars in the Magellanic Clouds to search for...
Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A. C., Bennett, D. P., ...
We report the discovery of 73 double-mode RR Lyrae (RRd) stars in fields near the bar of the LMC. The stars are detected among the MACHO database of short-period variables that currently contains...
Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A. C., Bennett, D. P., ...
The MACHO Project is a search for dark matter in the form of massive compact halo objects (Machos). Photometric monitoring of millions of stars in the Large Magellanic Cloud (LMC), Small Magellanic...
The MACHO Project 2nd Year LMC Microlensing Results and Dark Matter Implications (1996)
Pratt, M. R., Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A. C., ...
The MACHO Project is searching for galactic dark matter in the form of massive compact halo objects (Machos). Millions of stars in the Large Magellanic Cloud (LMC), Small Magellanic Cloud (SMC), and...
A Binary Lensing Event Toward the LMC: Observations and Dark Matter Implications (1996)
Bennett, D. P., Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A., ...
The MACHO collaboration has recently analyzed 2.1 years of photometric data for about 8.5 million stars in the Large Magellanic Cloud (LMC). This analysis has revealed 8 candidate microlensing events...
Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A., Bennett, D. P., ...
The MACHO project has been monitoring about ten million stars in the Large Magellanic Cloud in the search for gravitational microlensing events caused by massive compact halo objects (Machos) in the...
Real-time Detection of Gravitational Microlensing (1995)
Pratt, M. R., Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Becker, A., ...
Real-time detection of microlensing has moved from proof of concept in 1994 to a steady stream of events this year. Global dissemination of these events by the MACHO and OGLE collaborations has made...
First Observation of Parallax in a Gravitational Microlensing Event (1995)
Alcock, C., Allsman, R. A., Alves, D., Axelrod, T. S., Bennett, D. P., Cook, K. H., ...
We present the first detection of parallax effects in a gravitational microlensing event. Parallax in a gravitational microlensing event observed only from the Earth appears as a distortion of the...
Integrated scenario in JET using real-time profile control
Joffrin,E., Crisanti,F., Felton,R., Litaudon,X., Mazon,D., Moreau,D., ...
Todd, E. C. D., Szabo, R. A., MacKenzie, J. M., Martin, A., Rahn, K., Gyles, C., ...
Verotoxigenic Escherichia coli (VTEC) strains were isolated from food and animal fecal samples by using PCR to screen for the presence of VTEC after broth enrichment and then filtering VTEC-positive...
Update on bovine virus diarrhea in Ontario.
Alves, D, Tremblay, R, Godkin, A, Anderson, N, Carman, S, McEwen, B, ...
Todd, E. C. D., Szabo, R. A., MacKenzie, J. M., Martin, A., Rahn, K., Gyles, C., ...
Verotoxigenic Escherichia coli (VTEC) strains were isolated from food and animal fecal samples by using PCR to screen for the presence of VTEC after broth enrichment and then filtering VTEC-positive...
Update on bovine virus diarrhea in Ontario.
Alves, D, Tremblay, R, Godkin, A, Anderson, N, Carman, S, McEwen, B, ...
Integrated scenario in JET using real-time profile control
Joffrin, E., Crisanti, F., Felton, R., Litaudon, X., Mazon, D., Moreau, D., ...
Alves, D, Pires, M M, Guimarães, A, Miranda, M C
Four cases of familial metachromatic leucodystrophy are described: the age of onset ranged from 15 to 21 years. Mental deterioration was the earliest clinical sign to be noted and all progressed to...