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Properties of the Galactic Bar from Hydrodynamical Simulations
1996
Symposium - International astronomical union
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Gas flow in a barred potential could be consistent with the observations, however. We have compared the observations to 2-D hydrodynamical simulations of gas flows in a family of barred potentials. ...
The gas flow pattern is very sensitive to the assumed potential, and thel–Vdistribution of cool gas in the inner Galaxy places strong constraints on several parameters of the Milky Way bar. ...
WEINER AND J.A. ...
doi:10.1017/s0074180900229628
fatcat:xnwvs4m4ojcovgig53s4jeahpq
Properties of the Galactic Bar from Hydrodynamical Simulations
[chapter]
1996
Unsolved Problems of the Milky Way
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Gas flow in a barred potential could be consistent with the observations, however. We have compared the observations to 2-D hydrodynamical simulations of gas flows in a family of barred potentials. ...
Each model is specified by seven parameters for these components, and the pattern speed of the bar. ...
viewed at 35° to the major axis of the bar. ...
doi:10.1007/978-94-009-1687-6_18
fatcat:fxh2l56ps5cgpgart6i7ir3jpe
HOT DISKS AND DELAYED BAR FORMATION
2012
Astrophysical Journal
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We find that bars are preferentially found in galaxies that are massive and dynamically cold (rotation-dominated) and on the stellar Tully-Fisher relationship, as is the case for barred spirals in the ...
A proposed explanation for this "downsizing" of the bar formation / stellar structure formation is that the lower mass galaxies may not form bars because they could be dynamically hotter than more massive ...
As the details of the observations and measurement techniques have been described elsewhere (Weiner et al. 2006a (Weiner et al. , 2006b Kassin et al. 2007 ), we simply summarize the key points here: a ...
doi:10.1088/0004-637x/758/2/136
fatcat:wakjkanrefbmvnfmfsneqyyley
Modeling the Gas Flow in the Bar of NGC 1365
2008
Astrophysical Journal
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2007 pre-print arXiv:0710.5286v1 fatcat:z7qaqulm2nag3kqd62utfy4bze
Upsilon) and bar pattern speeds (Omega_p). ...
We present new observations of the strongly-barred galaxy NGC 1365, including new photometric images and Fabry-Perot spectroscopy, as well as a detailed re-analysis of the neutral hydrogen observations ...
Weiner (2004) reports a similar result for a second case, NGC 3095. ...
doi:10.1086/524940
fatcat:mmjr6y4rwvdijnemerhanjb3qa
Fabry-Perot Observations and Hydrodynamical Simulations of the Barred Spiral NGC 4123
1996
International Astronomical Union Colloquium
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The simulated gas flow is quite sensitive to the details of the potential, which enables us to constrain parameters such as theM/LIof the bar and the bar pattern speed. ...
Requiring models to produce shocks with the correct alignment constrains the Lagrange pointL1(corotation) to be at a radius 1.1 – 1.4 times the semimajor axis of the bar,i.e. the bar is a fast rotator. ...
edge of the bar. ...
doi:10.1017/s0252921100050302
fatcat:5z2xs3wntjae3llqbi36akdb2q
The Properties of the Galactic Bar Implied by Gas Kinematics in the Inner Milky Way
1999
Astrophysical Journal
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In particular we suggest that the bar must be fairly strong, must have an ILR, and cannot be too end-on, with the bar major axis at 35\deg +/- 5\deg to the line of sight. ...
Several lines of evidence suggest that the Galaxy is barred, and gas flow in a barred potential could be consistent with the observed "forbidden" velocities and other features in the data. ...
NGC 1300, England 1989; NGC 1398 , Moore & Gottesman 1995; and NGC 4123, Weiner et al. 1999) . ...
doi:10.1086/307786
fatcat:77rjrshnfzeopbdripuwzwwak4
The Disk and Dark Halo Mass of the Barred Galaxy NGC 4123. I. Observations
2001
Astrophysical Journal
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The non-circular streaming motions in barred galaxies are sensitive to the mass of the bar and can be used to lift the degeneracy between disk and dark matter halo encountered when fitting axisymmetric ...
A Fabry-Perot H-alpha velocity field shows velocity jumps of >100 km/sec at the location of the dust lanes within the bar, indicating shocks in the gas flow. ...
Athanassoula 1992b; Piner et al. 1995; Weiner & Sellwood 1999; Paper II) . The overall velocity field in Figure 6 is quite regular. ...
doi:10.1086/318288
fatcat:4uhceb65gnac7m5zq5upovw6su
The Disk and Dark Halo Mass of the Barred Galaxy NGC 4123. II. Fluid‐Dynamical Models
2001
Astrophysical Journal
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The corotation radius of the bar must be <= 1.5 times the bar semi-major axis. ...
We derive a realistic barred potential directly from the light distribution. ...
by Weiner & Sellwood (1999) . ...
doi:10.1086/318289
fatcat:in56rs5tabanddkrhp62jngqvm
Differential Burning, Recrystallization, and Fragmentation of Archaeological Bone
1995
Journal of Archaeological Science
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Weiner & Bar-Yosef, 1990) . ...
The interior SF value is lower in every case, generally equivalent to values for genuinely fresh bone (see also Weiner & Bar-Yosef, 1990 ). ...
doi:10.1006/jasc.1995.0024
fatcat:suha2mjdcjcmdgvuoey3nyu4c4
Antibody response to SARS-CoV-2 infection and BNT162b2 vaccine in Israel
[article]
2021
medRxiv
pre-print
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Figure 2 : 2 Figure 2: Bar plot of serum assays by prevalence of seropositivity (fraction) in a general asymptomatic population sample, unvaccinated individuals recovering from symptomatic COVID-19 and ...
doi:10.1101/2021.07.07.21259499
fatcat:r3z424mezvgclcun23wsczowge
A Summarization System for Scientific Documents
[article]
2019
arXiv
pre-print
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We present a novel system providing summaries for Computer Science publications. Through a qualitative user study, we identified the most valuable scenarios for discovery, exploration and understanding of scientific documents. Based on these findings, we built a system that retrieves and summarizes scientific documents for a given information need, either in form of a free-text query or by choosing categorized values such as scientific tasks, datasets and more. Our system ingested 270,000
arXiv:1908.11152v1
fatcat:ivve7qkqajhn5cnvwxty5jokfm
more »
... , and its summarization module aims to generate concise yet detailed summaries. We validated our approach with human experts.
SARS-CoV-2 evolution and evasion from multiple antibody treatments in a cancer patient
[article]
2022
medRxiv
pre-print
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The bar-plots at the bottom represent the estimated fraction antibodies that were either bound (cyan) or escaped (gray) from neutralization by polyclonal antibodies for each sample (see methods). ...
The bar-plots at the bottom represent the estimated fraction antibodies that were either bound (cyan) or escaped (gray) from neutralization by polyclonal antibodies for each sample (see methods). ...
doi:10.1101/2022.06.25.22276445
fatcat:zvfon7rnofge5m2y2giojcct4a
Bone Preservation in Hayonim Cave (Israel): a Macroscopic and Mineralogical Study
2001
Journal of Archaeological Science
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This research is supported by a NSF CAREER grant to Stiner (SBR-9511894), an Israel Science Foundation grant to Weiner, and a NSF grant to . ...
& Bar-Yosef, 1990; Weiner, Goldberg & Bar-Yosef, 1993; Ziv & Weiner, 1994) . ...
, Golberg & Bar-Yosef, 1993; Weiner & Bar-Yosef, 1990 ). ...
doi:10.1006/jasc.2000.0634
fatcat:z7ybqv5o2ng43ce5suoj5c4ije
Mineral Assemblages in Theopetra, Greece: A Framework for Understanding Diagenesis in a Prehistoric Cave
1999
Journal of Archaeological Science
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Weiner. The micromorphological study was conducted during the tenure of an Associate Fellowship granted to P. Karkanas by the Wiener Laboratory, American School of Classical Studies at Athens. ...
For more details see Weiner, Goldberg & Bar-Yosef (1993) . The mineral component of particularly complex samples were also determined by X-ray powder diffraction patterns. ...
This in turn can provide essential information for interpreting aspects of the archaeological record such as bone preservation (Weiner, Goldberg & Bar-Yosef, 1993) , dating (Mercier et al., 1995) , artefact ...
doi:10.1006/jasc.1998.0354
fatcat:jjslblzapbcsze2aibvwg5xerq
The SARS-CoV-2 Lambda variant and its neutralisation efficiency following vaccination with Comirnaty, Israel, April to June 2021
2021
Eurosurveillance
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Bars represent the log geometric mean titre (GMT) and 95% confidence intervals. The value above each bar represents the geometric mean titre (GMT) of each isolate. ...
doi:10.2807/1560-7917.es.2021.26.45.2100974
pmid:34763751
pmcid:PMC8646983
fatcat:plwhxyvdq5ekldwffhwv74wv7y
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