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Preprint typeset using L ATEX style emulateapj v. 11/12/01 ANALYSIS OF CLUMPS IN MOLECULAR CLOUD MODELS: MASS SPECTRUM, SHAPES, ALIGNMENT AND ROTATION
, 2008
"... Observations reveal concentrations of molecular line emission on the sky, called “clumps, ” in dense, star-forming molecular clouds. These clumps are believed to be the eventual sites of star formation. We study the three-dimensional analogs of clumps using a set of self-consistent, time-dependent n ..."
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, and the apparent prolateness of clumps. (2) Simulated clump axes are not strongly aligned with the mean magnetic field within clumps, nor with the large-scale mean fields. This is in agreement with observations. (3) The clump mass spectrum has a high-mass slope that is consistent with the Salpeter value
Mapping the three-dimensional density of the Galactic bulge with VVV red clump stars
, 2014
"... The inner Milky Way is dominated by a boxy, triaxial bulge which is believed to have formed through disk instability processes. Despite its proximity, its large-scale properties are still not very well known, due to our position in the obscuring Galactic disk. Here we make a measurement of the three ..."
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of the three-dimensional density distribution of the Galac-tic bulge using red clump giants identified in DR1 of the VVV survey. Our density map covers the inner (2.2 × 1.4 × 1.1)kpc of the bulge/bar. Line-of-sight density distributions are esti-mated by deconvolving extinction and completeness corrected Ks
Elements of metacommunity structure of Paraguayan bats: multiple gradients require analysis of multiple ordination axes
"... Abstract Techniques to evaluate elements of metacom-munity structure (EMS; coherence, species turnover and range boundary clumping) have been available for several years. Such approaches are capable of determining which idealized pattern of species distribution best describes dis-tributions in a met ..."
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Abstract Techniques to evaluate elements of metacom-munity structure (EMS; coherence, species turnover and range boundary clumping) have been available for several years. Such approaches are capable of determining which idealized pattern of species distribution best describes dis-tributions in a
Intra node parallelization of MPI programs with OpenMP
, 1998
"... The availability of multiprocessors and high performance networks offer the opportunity to construct CLUMPs (Cluster of Multiprocessors) and use them as paxallel computing platforms. The main distinctive feature of the CLUMP axchitecture over the usual paxallel computers is its hybrid memory model ..."
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Cited by 3 (0 self)
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model (message passing between the nodes and shaxed memory inside the nodes). Some of the primaxy issues to address for the CLUMP axe: 1) to be able to execute the existing programs with few modifications 2) to provide some programming models coherent with the performance hieraxchy of the data
The angular momentum of condensations within elephant trunks
, 906
"... Received date/Accepted date Aims. The radiation from newly born stars photoevaporates their parental neutral cloud, leading to the formation of dense clumps that will eventually form stars. Methods. We present 3D simulations of the interaction of a neutral cloud with an external ionising radiation f ..."
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field, and compute the angular momenta of these collapsing clumps. Results. The angular momenta of these collapsing clumps show that they have preferential orient mostly perpendicular to the direction of the incident ionising photon field. Therefore, the axes of the jet systems that will be eventually
unknown title
"... is a natural consequence of the longitude of observation, and the spreading by Keplerian shear explains also why they all appear concentric. In the second study, several clumps were tracked around Saturn, indicating a full 90-km range in semimajor axes (with a standard deviation of 45 km). The obser ..."
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is a natural consequence of the longitude of observation, and the spreading by Keplerian shear explains also why they all appear concentric. In the second study, several clumps were tracked around Saturn, indicating a full 90-km range in semimajor axes (with a standard deviation of 45 km
Testing Tidal-Torque Theory: II. Alignment of Inertia and Shear and the Characteristics of Proto-haloes
, 2001
"... We investigate the cross-talk between the two key components of tidal-torque theory, the inertia (I) and shear (T) tensors, using a cosmological N-body simulation with thousands of well-resolved haloes. We find that the principal axes of I and T are strongly aligned, even though I characterizes the ..."
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We investigate the cross-talk between the two key components of tidal-torque theory, the inertia (I) and shear (T) tensors, using a cosmological N-body simulation with thousands of well-resolved haloes. We find that the principal axes of I and T are strongly aligned, even though I characterizes
Cometary globules in the south-east quadrant of Rosette Nebula
"... a study of newly in the south-cast quadrant of the Rosette Nebula the transition of monoxide. The globules arc found to blue-shiftcxl s-' with respect to the adjacent Rosette Molecular Cloud. masses of the globules vary from 50 to 300 and their sizes arc 1 and 3 Two of the globules have cometar ..."
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cometary morphology and show velocity gradients of 1.5 along their axes. These globules are associated with the sources 06314+0421, and 06327+0423 which coincide with maxima in the emission. derived physical of the arc found to consistent with those theoretical models of cometary clouds. suggest that star
Planetary Companions around Three Intermediate-Mass
, 2007
"... We report the detection of 3 new extrasolar planets from the precise Doppler survey of G and K giants at Okayama Astrophysical Observatory. The host stars, namely, 18 Del (G6 III), ξ Aql (K0 III) and HD 81688 (K0 III–IV), are located at the clump region on the HR diagram with estimated masses of 2.1 ..."
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days, respectively, which are the shortest ones among planets around evolved stars. All of the substellar companions ever discovered around possible intermediate-mass (1.7 − 3.9M⊙) clump giants have semimajor axes larger than 0.68 AU, suggesting the lack of short-period planets. Our
Milky Way
, 808
"... Abstract. We examine the dynamical effects on disk stars of a “long bar ” in the Milky Way by inserting a triaxial rotating bar into an axisymmetric disk+bulge+dark halo potential and integrating 3-D orbits of 10 4 tracer stars over a period of 2 Gyr. The long bar has been detected via “clump giants ..."
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Abstract. We examine the dynamical effects on disk stars of a “long bar ” in the Milky Way by inserting a triaxial rotating bar into an axisymmetric disk+bulge+dark halo potential and integrating 3-D orbits of 10 4 tracer stars over a period of 2 Gyr. The long bar has been detected via “clump
Results 1 - 10
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22