International Journal of Information Security manuscript No. (2008)
Will Be Inserted, Kyung-suk Lhee, Steve J. Chapin
Multiprocessing environments such as Unix are susceptible to race conditions on the file space, since processes share files in the system. A process accessing a file may get unexpected results while...
Will Be Inserted, Hui Xiong, Michael Steinbach, Vipin Kumar
In multi-relational databases, a view, which is a context- and content-dependent subset of one or more tables (or other views), is often used to preserve privacy by hiding sensitive information....
Finance and Stochastics manuscript No. (2008)
Will Be Inserted, László Györfi, Frederic Udina, Harro Walk
In recent years optimal portfolio selection strategies for sequential investment have been shown to exist. Although their asymptotical optimality is well established, finite sample properties do need...
The Visual Computer manuscript No. (2008)
Will Be Inserted, Oleg Polonsky, Silvia Biasotti, Craig Gotsman, Michela Spagnuolo
There are many possible 2D views of a given 3D object and most people would agree that some views are more aesthetic and/or more "informative" than others. Thus, it would be very useful, in...
Mathematical Programming manuscript No. (2008)
Will Be Inserted, Unsplittableowcapacitated Alperatamturkdeepakrajan (willbeinsertedbytheeditor
We study the polyhedra of splittable and unsplittable single arc--set relaxations of multicommodity flow capacitated network design problems. We investigate the optimization problems over these sets...
Machine Vision and Applications manuscript No. (2008)
Will Be Inserted, Daniela Hall, Fabien Pélisson, Olivier Riff, James L. Crowley
In this article, we describe a module for the identification of brand logos from video data. A model for the visual appearance of each logo is generated from a small number of sample images using...
Distributed Computing manuscript No. (2008)
Will Be Inserted, Achour Mostéfaoui, Sergio Rajsbaum, Michel Raynal
This paper investigates C f , the largest set of conditions which allow us to solve the consensus problem in an asynchronous shared memory system
Will Be Inserted, F. Favata, R. Mewe, N. S. Brickhouse, R. Pallavicini, G. Micela, ...
We present a SAX/LECS X-ray observation of the active binary Capella, the first coronal source observed in the SAX Guest Investigator program. The analysis of this observation, performed using the...
Pattern Analysis and Applications manuscript No. (2008)
Will Be Inserted, Tasks A Meta, Decomposer Framework, Lior Rokach
The idea of decomposition methodology for classification tasks is to break down a complex classification task into several simpler and more manageable sub-tasks that are solvable by using existing...
ROSAT X-ray (PSPC) and EUV (WFC) observations of a sample of 12 nearby Halo and Old-Disk low mass stars have been analyzed to determine their emission levels, properties of their coronal spectra and...
Will Be Inserted, Rscvnbinaryandobtainedwithasca. Wealso
We present an observation of the long-period RS CVn binary And obtained with ASCA. We also discuss a previous observation by ROSAT of the same star, that we have retrieved from the public archive....
Will Be Inserted, F. Favata, G. Micela, S. Sciortino
We present determinations of the lithium abundance (through observations of the Li i 6707.8 A line) in a sample of main sequence stars with spectral types ranging from late F down to M0, selected...
Will Be Inserted, Receivedaugust Acceptednovember, Abstract. Wereviewthecurrentlyavailabledataonac
We review the currently available data on active binaries selected from Einstein observatory based X-ray surveys, and compare the inferred space density with the available estimates based on...
Will Be Inserted, F. Favata, G. Micela, S. Sciortino, F. Morale
We present spectroscopic determinations of the Fe abundance in a sample of K-type stars selected from the Xray flux-limited Einstein Extended Medium Sensitivity Survey. These stars have been shown to...
We have investigated some aspects of the fitting of stellar X-ray spectra by means of hydrostatic models of coronal loops. We have performed an extensive set of simulations in which we have...
We present X-ray and optical observations of G102-21, a newly discovered dMe flare star in the solar neighborhood. The star, which falls serendipitously in a pointed PSPC ROSAT observation, shows an...
We present a detailed application of coronal hydrostatic loop models to fit ROSAT/PSPC X-ray spectra, using three late-type stars, Procyon (F5 IV - V), ' Vir (F6 III), and HR 3625 (F9 V),...
Will Be Inserted, A. Marino, G. Micela, G. Peres
We have systematically analyzed X-ray variability of dM stars. Our data base is the sample of all dM stars listed in the CNS3 (Gliese & Jahreifi 1991) catalog which have been observed with the...
Will Be Inserted, Abstract. Wereportrecenthighresolution Highsig
We report recent high resolution, high signal to noise ratio spectroscopic observations of the region around the Li I 6707.8 A line in two apparently old field late K-type main sequence stars. These...
We report on the discovery of an unresolved X-ray source inside the supernova remnant G315.4-2.3 (RCW 86). The source is located 7 to the Southwest of the geometrical centre and may be close to the...
Engineering with Computers manuscript No. (2008)
Will Be Inserted, Ralf Deiterding, Raul Radovitzky, Sean P. Mauch, Ludovic Noels, Julian C. Cummings, ...
A Virtual Test Facility (VTF) for studying the three-dimensional dynamic response of solid materials subject to strong shock and detonation waves has been constructed as part of the research program...
We present optical photometric and spectrophotometric observations of two selected filaments near the North rim of the Vela supernova remnant also observed in UV with the International Ultraviolet...
Will Be Inserted, A. Maggio, F. Favata, G. Peres, S. Sciortino
We present an X-ray observation of the active giant fi Cet, performed with the Low Energy Concentrator Spectrometer (LECS) on-board the SAX satellite. The resulting Xray spectrum is well fit by an...
Will Be Inserted, F. Morale, G. Micela, F. Favata, S. Sciortino
We present the results of a uvby-fi photometric study of a sample of active late-type stars (F--K) selected from the Einstein Extended Medium Sensitivity Survey. Our work shows the presence in the...
Will Be Inserted, Abstract. Wepresentadetailedanalysisofthestellar
We present a detailed analysis of the stellar content of the Einstein Extended Medium Sensitivity Survey (EMSS). The analysis consists of a comparison between the observed source counts and...
Will Be Inserted, Abstract. Weshowhowtoestimatethesizeofspatially
We show how to estimate the size of spatially unresolved solar and stellar coronal flaring regions from the X-ray light curve and time-resolved temperature and emission measure values during the...
Engineering with Computers manuscript No. (2008)
Will Be Inserted, Ralf Deiterding, Raul Radovitzky, Sean P. Mauch, Ludovic Noels, Julian C. Cummings, ...
A Virtual Test Facility (VTF) for studying the three-dimensional dynamic response of solid materials subject to strong shock and detonation waves has been constructed as part of the Center for...
Will Be Inserted, Abstract. Weaddressthehypothesisthatdowndrafts
We address the hypothesis that downdrafts driven by radiatively-cooling condensations in the solar transition region are able to produce significant redshifts in UV lines as frequently observed on...
SOHO/UVCS observations of the most intense EUV spectral lines emitted by the solar corona have been providing us a good opportunity to study in detail the acceleration regions of the solar wind. In...
This work is motivated by the widely accepted paradigm that the structure and features of stellar coronae are determined by plasma magnetically confined in coronal loops. In particular we address the...
We present [Fe/H] determinations for a volume-limited sample of G and K dwarfs from the Gliese catalog of nearby stars. The [Fe/H] values were determined from the Fe i lines present in 40 A wide high...
In this work we study coronal loops vs. oneand two-component thermal models, the first being the physically realistic description of the X-ray emitting, magnetically-confined solar corona, the others...
We present a new version of the Palermo-Harvard hydrodynamic model of plasma confined in coronal loops, based on a regridding algorithm which ensures limited variations of thermodynamical variables...
Will Be Inserted, F. Aharonian, A. G. Akhperjanian, J. A. Barrio, K. Bernlohr, H. Bojahr, ...
The Crab and Geminga pulsars were observed with the HEGRA stereoscopic IACT-System. A search for phase-resolved time structure of TeV gamma emission was carried out for both pulsars. No evidence for...
Astronomy Astrophysics manuscript no. (2008)
Will Be Inserted, Antonella Natta, Leonardo Testi
We discuss the spectral energy distribution of three very low mass objects in Chamaeleon I for which ground-based spectroscopy and photometry as well as ISO measurements in the mid-infrared are...
Astronomy Astrophysics manuscript no. (2008)
Will Be Inserted, A. Marino, G. Micela, G. Peres, S. Sciortino
We have analyzed the X-ray variability of dF7-dK2 stars in the solar neighborhood detected with the pointed ROSAT-PSPC observations. Our data base is the sample of all stars listed in the CNS3...
Astronomy Astrophysics manuscript no. (2008)
Will Be Inserted, R. Cesaroni, C. Codella, L. Testi
We present the results of an interferometric and single-dish study of G24.78+0.08, a region associated with high-mass star formation. Observations have been carried out in several molecular species,...
manuscripta mathematica manuscript No. (2008)
Will Be Inserted, David A. Cardon
Let Hn (z) be the function of a complex variable z defined by Hn (z) = G(ia1 ian )e iz(b 1 possible plus and minus sign combinations, the same sign combination being used in both the argument of G...
Will Be Inserted, T. P. Downes, T. P. Ray
While it is generally thought that molecular outows from young stellar objects (YSOs) are accelerated by underlying stellar winds or highly collimated jets, the actual mechanism of acceleration...
Soft Computing manuscript No. (2007)
Troubleshooting is one of the areas where Bayesian networks are successfully applied [9]. In this paper we show that the generally de ned troubleshooting task is NP-hard. We propose a heuristic...
myjournal manuscript No. (2007)
Will Be Inserted, E. Ferrari, N. R. Adam, V. Atluri, E. Bertino, U. Capuozzo
Digital Libraries (DLs) introduce several challenging requirements with respect to the formulation, specification and enforcement of adequate data protection policies. Unlike conventional database...
Will Be Inserted, Pentti J. Pulkkinen, Ilkka Tuominen
We de ne the solar cycle as a spatiotemporal rather than a purely temporal entity. This allows us to introduce new methods to determine timing parameters of the activity cycles. We discuss the...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, V. Caloi, J. Montalban, P. Ventura, R. Gratton
It is becoming clear that `self--pollution' by the ejecta of massive asymptotic giant branch stars has an important role in the early chemical evolution of globular cluster stars, producing CNO...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, E. Oliva, A. Marconi, R. Maiolino, L. Testi, F. Mannucci, ...
We report 0.9-1.4 m spectroscopic observations of NGC1068 collected during the commissioning phase of the near infrared camera spectrometer (NICS) of the Telescopio Nazionale Galileo (TNG). These...
International Journal on Digital Libraries manuscript No. (2007)
Will Be Inserted, Yannis Velegrakis, Vassilis Christophides, Panos Constantopoulos
Z39.50 is a client/server protocol widely used in digital libraries and museums for searching and retrieving information spread over a number of heterogeneous sources. To overcome semantic and...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, J. Licandro, F. Ghinassi, L. Testi
We report complete near-infrared (0.9-2.4 m) spectral observations of the largest know trans-neptunian objects (TNO) 28976 = 2001 KX76 taken in two dierent nights using the new Near Infrared Camera...
Will Be Inserted, E. Oblak, P. Lampens, E. Aristidi, L. Koechlin
From speckle observations made with the PISCO speckle camera at the Pic du Midi Observatory, we present high angular resolution astrometric data for 43 binary stars already observed by the Hipparcos...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, N. Pizzolato, P. Ventura, A. Maggio, G. Micela, S. Sciortino
We present an extensive study on the dependence of the convective turnover time (conv ) on the stellar metallicity and age for main-sequence stars of masses 0.6-1.6 M . To this aim we have used and...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, F. Favata, G. Micela, S. Sciortino, A. Kaas
We have for the rst time detected X-ray emission associated with a protostellar jet, on the jet emanating from the L1551 IRS5 protostar. The IRS5 protostar is hidden behind a very large absorbing...
Will Be Inserted, D. D. Dixon, A. D. Zych, W. Collmar
A pixon-based reconstruction imaging method is applied to CGRO COMPTEL data for Viewing Period 3. The #eld-of-view of VP3 contains both the AGN sources 3C273 and 3C279 which are about 10 # apart. The...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, M. Kerscher, A. V. Kravtsov, A. Faltenbacher, A. Klypin
We use a novel statistical tool, the mark correlation functions (MCFs), to study clustering of galaxysize halos as a function of their properties and environment in a high-resolution numerical...
Will Be Inserted, R. M. Betta, G. Peres, F. Reale, S. Serio
We revisit a well-studied solar are whose Xray emission originating from a simple loop structure was observed by most of the instruments on board SMM on November 12 1980. The X-ray emission of this...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, V. Caloi, P. Ventura, R. Gratton
It is becoming clear that `self--pollution' by the ejecta of massive asymptotic giant branch stars has an important role in the early chemical evolution of globular cluster stars, producing CNO...
Will Be Inserted, J. D. Landstreet
Landstreet & Mathys (2000) have discovered that almost all the magnetic Ap stars having rotation periods longer than about one month have their magnetic and rotation axes fairly closely aligned,...
Will Be Inserted, D. E. Trilling, J. I. Lunine, W. Benz
We present a statistical study of the post-formation migration of giant planets in a range of initial disk conditions. For given initial conditions we model the evolution of giant planet orbits under...
Will Be Inserted, Annie C. Robin, Misha Haywood, Devendra K. Ojha
Accurate characterization of thick disc properties from recent kinematic and photometric surveys provides converging evidences that this intermediate population is a sequel of the violent heating of...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, Antonella Natta, Leonardo Testi, Ernesto Oliva, Giovanni Comoretto, Sandro Gennari
This paper discusses evidence for and properties of disks associated to brown dwarfs in the starforming region Oph. We selected nine objects from the ISOCAM survey of Bontemps et al. 2001 that have...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, Leonardo Testi, Francesca Bacciotti, Anneila I. Sargent, Thomas P. Ray
We present high angular resolution millimeter wavelength continuum and CO(2-1) observations of the circumstellar disk surrounding the TTauri star DG Tauri. We show that the velocity pattern in the...
Will Be Inserted, C. Amsler, M. Benayoun, S. Bischo, P. Blum, ...
The three reactions pp ! # ## in proton-antiproton annihilation in #ight at 900 MeV=c are used to search for isoscalar 0 and 2 mesons in the mass range 1000 , 2000 MeV, in particular the f0#1710#....
Will Be Inserted, D. A. Sadovski, V. Boudon
We nd relative equilibria (RE) of the rotating and vibrating tetrahedral molecule P4 and study the correspondence of these RE's to the extremal quantum states in the vibration-rotation multiplet...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, E. Franciosini, R. Pallavicini, G. Tagliaferri
We present two X-ray observations of the RS CVn binary system UX Arietis performed with BeppoSAX in August 1997 and August 1998. A large are lasting for about 1 day was detected during the rst...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, P. Ventura, I. Mazzitelli
We present the results of extensive computation of the Thermal Pulse phase AGB evolution of stars of metallicities in mass fraction 2 \Theta 10 Z 0:01, for those masses in the range 2:5 M=M fi 6,...
Applied Physics B manuscript No. (2007)
Will Be Inserted, M. Mutzel, U. Rasbach, D. Meschede, C. Burstedde, J. Braun, ...
The method of neutral atom lithography allows to transfer a 2D intensity modulation of an atomic beam imposed by an inhomogeneous light field to a substrate. The complexity of the pattern depends on...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, R. S. Furuya, R. Cesaroni, C. Codella, L. Testi, R. Bachiller, ...
We present the results of high angular resolution observations at millimeter wavelengths of the highmass star forming region G24.78+0.08, where a cluster of four young stellar objects is detected. We...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, P. Persi, M. Tapia, A. R. Marenzi, L. Testi
A near- and mid-infrared study of the star formation complex G9.62+0.19 is presented. It includes photometrically calibrated images through wide-band JHK and narrow-band Br#, H2 and 12.5 m filters....
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, Marcello Felli, Leonardo Testi, Alain Omont
The 7 and 15 m observations of selected elds in the Galactic Plane obtained with ISOCAM during the ISOGAL program oer an unique possibility to search for previously unknown YSOs, undetected by IRAS...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, L. Prisinzano, G. Micela, S. Sciortino, F. Favata
We present UBVRI photometry of the open cluster NGC 2422 (age 10 yr) down to a limiting magnitude V ' 19. These data are used to derive the Luminosity and Mass Functions and to study the cluster...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, A. Nesis, R. Hammer, M. Roth, H. Schleicher
We investigate the attractor underlying the granular phenomenon by applying nonlinear methods to series of spectrograms from 1994 and 1999. In the three-dimensional phase space spanned by intensity,...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, F. Reale, F. Bocchino, G. Peres
Long-lasting, intense, stellar X{ray ares may approach conditions of breaking magnetic con nement and evolving in open space. In the perspective of searching for possible tracers of non-con nement,...
Will Be Inserted, R. Ansari, P. Baillon, G. Coupinot, P. Gondolo, J. Hecquet, ...
AgapeZ1 is the brightest and the shortest duration microlensing candidate event found to date in the Agape experiment. It occurred only 42 from the centre of M31 at RA = 0 h 42 m 41:47 s and Dec = 41...
Astronomy Astrophysics manuscript no. (2007)
XMM-Newton observations of the X-ray feature 1SAX J0617.1+2221 in the IC 443 supernova remnant are reported. We resolve the structure of the nebula into a compact core with a hard spectrum of photon...
Communications in Mathematical Physics manuscript No. (2007)
Will Be Inserted, Ricardo Schor
We consider a functional integral formulation for one-flavor lattice Quantum Chromodynamics in d = 2, 3 space dimensions and imaginary time, and work in the regime of small hopping parameter 0 < #...
Software Tools for Technology Transfer manuscript No. (2007)
Will Be Inserted, James C. Corbett, Matthew B. Dwyer, John Hatcliff
Research on how to reason about correctness properties of software systems using model checking is advancing rapidly. Work on extracting finite-state models from program source code and on...
Will Be Inserted, H. Chakravorty, J. Van Mourik
In this paper we analyse both the dynamics and the high density physics of the infinite dimensional lattice gas model for random heteropolymers recently introduced in [1]. Restricting ourselves to...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, G. Micela, A. Marino
We analyze the time variations of the solar X-ray luminosity observed with Yohkoh/SXT with the aim to compare the X-ray variability of the Sun with that of the other solar-like main sequence stars as...
StrucOpt manuscript No. (2007)
Will Be Inserted, Ruichen Jin, Xiaoping Du, Wei Chen
Metamodeling techniques have been widely used in engineering design to improve the e#ciency in simulation and optimization of design systems that involve computationally expensive simulation...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, D. Pourbaix, F. Arenou
The combination of Hipparcos astrometric data with the spectroscopic data of putative extrasolar planets seems to indicate that a significant fraction of these low-mass companions could be brown or M...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, Peter Messmer
The isotropization process of a collisionless plasma with an electron temperature anisotropy along an external magnetic eld (T k T ? , k and ? with respect to the background magnetic eld) and...
Astronomy Astrophysics manuscript no. (2007)
Will Be Inserted, S. Di Giorgio, F. Reale, G. Peres
We analyze a space-, time- and spectral-resolved SoHO/CDS observation of the evolution of an active region over a time lapse of approximately three hours in various spectral lines emitted in the...
The VLDB Journal manuscript No. (2007)
Will Be Inserted, Alexandros Labrinidis, Yannis Kotidis, Christos Faloutsos
Association Rule Mining algorithms operate on a data matrix (e.g., customers \Theta products) to derive association rules (Agrawal, Imielinski, & Swami, 1993b; Srikant & Agrawal, 1996). We...
Mathematical Programming manuscript No. (2007)
Will Be Inserted, Markot Tibor Csendes
We are dealing with the optimal, i.e. densest packings of congruent circles into a unit square. In the recent years we built a numerically reliable method using interval arithmetic computations,...
Software Tools for Technology Transfer manuscript No. (2007)
Will Be Inserted, Corina S. Pasareanu, Matthew B. Dwyer, Willem Visser
Counter-examples Corina S. Pasareanu , Matthew B. Dwyer , Willem Visser Kestrel, NASA Ames Research Center, Moffett Field, USA Department of Computing and Information Sciences, Kansas State...
International Journal on Digital Libraries Manuscript Nr. (2007)
Will Be Inserted, Shih-fu Chang, John R. Smith, ...
In this paper we describe an ongoing research project called the Columbia Digital News Project. The goal of this project is to develop a suite of effective interoperable tools with which people can...
Will Be Inserted, Camilo Rueda, Frank Valencia
We show how the ntcc calculus, a model of temporal concurrent constraint programming with the capability of modeling asynchronous and non-deterministic timed behavior, can be used for modeling real...
Software and System Modelling manuscript No. (2007)
Will Be Inserted, José M. Álvarez, Tony Clark, Andy Evans, Paul Sammut
This paper describes an action semantics for UML based on the Meta-Modelling Language (MML) - a precise meta-modelling language designed for developing families of UML languages. Actions are defined...
Will Be Inserted, Cengiz Günay, Anthony S. Maida
Recruitment learning in hierarchies is an inherently unstable process (Valiant, 1994). This paper presents conditions on parameters for a feedforward network to ensure stable recruitment hierarchies....
Will Be Inserted, Thorsten Fiebig, Sven Helmer, Carl-christian Kanne, Guido Moerkotte, Julia Neumann, ...
Several alternatives to manage large XML document collections exist, ranging from file systems over relational or other database systems to specifically tailored XML base management systems. In this...
Virtual Reality manuscript No. (2005)
Will Be Inserted, P. Guitton, Labri Inria Futurs, Labri Inria Futurs
Among many techniques to interact with 3D environments, gesture based input appears promising. However, due to insufficient computing hardware capabilities, such interfaces have to be built either...
International Journal on Digital Libraries manuscript No. (2004)
Will Be Inserted, Holger Meuss, Klaus U. Schulz, Felix Weigel, Simone Leonardi, ...
This article reports on the XML retrieval system X2 which has been developed at the University of Munich over the last five years. In a typical session with X2, the user first browses a structural...
Astronomy Astrophysics manuscript no. (2004)
Will Be Inserted, L. Affer, G. Micela, T. Morel, J. Sanz-forcada, F. Favata
High resolution, high-S/N-ratio optical spectra have been obtained for a sample of 6 K-type dwarf and subgiant stars, and have been analysed with three di#erent LTE methods in order to derive...
PREPRINT VERSION: submitted. manuscript No. (2003)
Will Be Inserted, Martín G. Zimmermann, Víctor M. Eguíluz, Depto De Fisica–fcen, Buenos Aires
Cooperative behavior among a group of agents is studied assuming adaptive interactions. Each agent plays a Prisoner's Dilemma game with its local neighbors, collects an aggregate payoff and...
Machine Vision and Applications manuscript No. (2003)
Will Be Inserted, Matthias Zobel, Joachim Denzler, Benno Heigl, Elmar Nöth, Dietrich Paulus, ...
This contribution introduces MOBSY, a fully integrated autonomous mobile service robot system. It acts as an automatic dialogue based receptionist for visitors of our institute. MOBSY incorporates...
Will Be Inserted, Millist W. Vincent, Jixue Liu
Recently, two di#erent approaches have been proposed for defining functional dependencies in XML (XFDs). The first is based on the notion of a 'tree tuple' which in turn is based on the...
Astronomy Astrophysics manuscript no. (2002)
Will Be Inserted, E. Meinkohn, S. Richling
A finite element method for solving the resonance line transfer problem in moving media is presented. The algorithm works in three spatial dimensions on unstructured grids which are adaptively...
Will Be Inserted, E. Masciadri, R. Avila
It was recently shown (Masciadri et al. 2000, Masciadri 2001a), using a numerical simulation (Meso-Nh model), that the hypothesis of considering horizontally uniform C N can have severe consequences....
Astronomy Astrophysics manuscript no. (2001)
Will Be Inserted, Lampens P, Oblak E, Duval D, Chareton M
An abstract should be given 1.
Will Be Inserted, F. Kupka, W. Schmidt
We explore the dependence of T eff 's and colors of stellar models on the treatment of over--adiabatic convection, both in the atmosphere and in the interior. We compute main sequence, turnoff...
Will Be Inserted, F. Favata, G. Micela, F. Reale, S. Sciortino
We present a systematic analysis of the four known large X-ray flares detected to date on the eclipsing binary system Algol, using an approach based on hydrodynamic simulations of decaying flaring...
Will Be Inserted, N. Pizzolato, A. Maggio, S. Sciortino
We have investigated the variation of coronal X-ray emission during early post-main-sequence phases for a sample of 120 late-type stars within 100 pc, and with estimated masses in the range 1 -- 3 M...
Will Be Inserted, F. Bocchino, A. M. Bykov
We report BeppoSAX observations of spatially resolved hard X-ray emission from IC 443, a supernova remnant interacting with a molecular cloud. The emission is shown to come from two localized...
Will Be Inserted, E. Franciosini, R. Pallavicini
NGC 3532 is a very rich southern open cluster of age 200 \Gamma 350 Myr; it is therefore a good candidate to investigate the X-ray activity--age--rotation relationship at ages intermediate between...
Will Be Inserted, C. Ceccarelli, E. F. Vandishoeck, ...
We have obtained the full 1-200 m spectrum of the low luminosity (36 L# ) Class I protostar Elias 29 in the # Ophiuchi molecular cloud. It provides a unique opportunity to study the origin and...
We present a long (150 ks elapsed time) X-ray observation of the dM3.5e star EV Lac, performed with the ASCA observatory in July 1998, during which an exceptionally intense flaring event (lasting...
We have obtained two deep HRI observations toward the open cluster Stock 2 in order to assess the X-ray luminosity level of the 112 high-probability cluster members falling in the area we have...
Will Be Inserted, A. Maggio, R. Pallavicini, F. Reale, G. Tagliaferri
We present two X-ray observations of the young, active star AB Dor, performed with BeppoSAX on Nov 9 and Nov 29 1997, and lasting 50 ksec and 140 ksec, respectively. Two, quite similar, large flares...
Will Be Inserted, F. Favata, G. Micela, S. Sciortino
We discuss the apparent widespread presence of Weak-Line T-Tauri stars (WTTS) among stellar coronal sources detected in the ROSAT All-Sky Survey (RASS), and their relative number with respect to...
Will Be Inserted, S. Sciortino, F. Damiani, F. Favata, G. Micela
We have searched for low-mass pre-main-sequence stars in the nearby Upper Sco-Cen star-forming region using ROSAT observations analyzed with an innovative source detection method based on wavelet...
Will Be Inserted, F. Favata, A. Maggio, G. Peres, S. Sciortino
We have studied the performance of global fitting of low-resolutionX-ray spectra in retrieving intrinsic source parameters, with emphasis on the coronal metallicity. The study has been conducted by...
Astronomy Astrophysics manuscript no.
We have mapped the large-scale structure of the Serpens cloud core using moderately optically thick ( CO(1-0) and CS(2-1)) and optically thin tracers (C S(2-1), and N2H (1-0)), using the 16-element...