標(biāo)題: Titlebook: Barred Galaxies and Circumnuclear Activity; Proceedings of the N Aage Sandqvist,Per Olof Lindblad Conference proceedings 1996 Springer-Verl [打印本頁] 作者: POL 時間: 2025-3-21 16:07
書目名稱Barred Galaxies and Circumnuclear Activity影響因子(影響力)
書目名稱Barred Galaxies and Circumnuclear Activity影響因子(影響力)學(xué)科排名
書目名稱Barred Galaxies and Circumnuclear Activity網(wǎng)絡(luò)公開度
書目名稱Barred Galaxies and Circumnuclear Activity網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Barred Galaxies and Circumnuclear Activity被引頻次
書目名稱Barred Galaxies and Circumnuclear Activity被引頻次學(xué)科排名
書目名稱Barred Galaxies and Circumnuclear Activity年度引用
書目名稱Barred Galaxies and Circumnuclear Activity年度引用學(xué)科排名
書目名稱Barred Galaxies and Circumnuclear Activity讀者反饋
書目名稱Barred Galaxies and Circumnuclear Activity讀者反饋學(xué)科排名
作者: eucalyptus 時間: 2025-3-21 21:50
Barred Galaxies and Circumnuclear Activity978-3-540-70694-6Series ISSN 0075-8450 Series E-ISSN 1616-6361 作者: 換話題 時間: 2025-3-22 00:38 作者: LIMIT 時間: 2025-3-22 06:54 作者: 極深 時間: 2025-3-22 10:33
Transcatheter Aortic Valve ImplantationWe select a sample of barred spiral galaxies in order to test previous findings concerning NGC 1365. We discuss results regarding NGC 1300 and NGC 1365, as well as new VLA. observations of NGC 613, NGC 1350, and NGC 2263. The H. halos of the investigated objects are found to be compact. The effect of companions on the H. extent is illustrated.作者: 苦惱 時間: 2025-3-22 14:45 作者: 調(diào)整校對 時間: 2025-3-22 19:33
Hi Observations of a sample of barred spirals,We select a sample of barred spiral galaxies in order to test previous findings concerning NGC 1365. We discuss results regarding NGC 1300 and NGC 1365, as well as new VLA. observations of NGC 613, NGC 1350, and NGC 2263. The H. halos of the investigated objects are found to be compact. The effect of companions on the H. extent is illustrated.作者: sphincter 時間: 2025-3-22 23:06 作者: 殺子女者 時間: 2025-3-23 01:30 作者: 朦朧 時間: 2025-3-23 06:46
Animal Models for Cardiac Valve Researchwo new criteria for characterizing ordered and chaotic orbits, the stretching numbers (or short-time Lyapunov characteristic numbers) and the helicity angles (the angles between the current deviations from a given orbit and a fixed direction). The distributions of successive stretching numbers and h作者: homeostasis 時間: 2025-3-23 12:36 作者: needle 時間: 2025-3-23 14:36
Animal Models for Cardiac Valve Researchhe first type of interactions an expanding ring is formed, in a way similar to the formation of ring galaxies from a nonbarred target. Depending on the impact angle and position, the center of the bar may be temporarily offset from that of the disc..In the second type of interactions the companion i作者: 鍍金 時間: 2025-3-23 18:35 作者: 爭吵加 時間: 2025-3-24 01:04 作者: Paraplegia 時間: 2025-3-24 03:48
The Left Ventricle—General Considerations through gravitational instability to reach a hot quasi steady-state in the absence of gas. The latter is then the motor of evolution, and is at the origin of the formation of secondary structures, as rings, lenses or bars within bars. The evolution can be self-regulated, since too much gas concentr作者: Ovulation 時間: 2025-3-24 08:52
The Great Vessels and the Pericardiumity field across the whole nuclear and bar region. Strong unresolved (4″ or 700 pc) velocity discontinuities are observed across the dustlanes that we identify with large scale shocks observed in hydrodynamic simulations. Although hydrodynamical models are generally used to constrain the mass model,作者: 樂章 時間: 2025-3-24 10:45
https://doi.org/10.1057/9780312299187sition. The observing grid has a 5″-spacing in the inner and a 10″-spacing in the outer region. A circumnuclear molecular torus with a radius of about 5″ is the dominant feature. Molecular emission is also seen coming from various dust streamers in the bar of the galaxy. The velocity field of the mo作者: epidermis 時間: 2025-3-24 17:27 作者: 強行引入 時間: 2025-3-24 18:59
https://doi.org/10.1057/9780312299187o remarkable objects presented here, M 31 and M 104, display peculiar kinematics: a rapidly rotating cold nuclear disk and puzzling photometric and kinematical asymetries in the case of M 104 and M 31 respectively. Axisymmetric models confirm the presence of supermassive black holes. However at the 作者: 健談的人 時間: 2025-3-25 01:39
https://doi.org/10.1057/9780312299187lationship to the active nucleus. We find that Seyferts are offset from the Faber-Jackson relation for normal galaxies having brighter bulges at a given velocity dispersion than normal galaxies. This indicates that Seyferts have lower mean mass-to-light ratios than normal galaxies and therefore youn作者: albuminuria 時間: 2025-3-25 06:21
https://doi.org/10.1057/9780312299187ctic bulge. The triaxial system behaves like the bar mode of a disk: giving it angular momentum makes it rounder, while removing angular momentum makes it more triaxial. The relative position of the Sun can be determined by matching the COBE 3.5 μm light distribution along .=0°, and the velocity dis作者: defile 時間: 2025-3-25 09:23
https://doi.org/10.1057/9780312299187cleus of the Milky Way. The central parsec is powered by a cluster of luminous helium rich, blue supergiants. The most likely scenario for the formation of these massive stars is a burst of star formation a few million years ago. Radial velocity measurements for about 300 early and late type stars b作者: anagen 時間: 2025-3-25 14:28 作者: 卜聞 時間: 2025-3-25 17:34
Introduction to discourse theoryal’. Two cases are considered: (i) the putative black hole lies at the center of the dense stellar cluster and (ii) it is off the center. In the first case, the mechanism of the spiral arm generation can be over-reflection instability, and in the second case the axial asymmetry of the gravitational 作者: 反話 時間: 2025-3-25 20:40 作者: 某人 時間: 2025-3-26 03:11
978-3-662-14098-7Springer-Verlag Berlin Heidelberg 1996作者: 切碎 時間: 2025-3-26 07:58
,Some historical remarks on Bertil Lindblad’s work on galactic dynamics,作者: Immortal 時間: 2025-3-26 10:20 作者: STING 時間: 2025-3-26 15:34 作者: 媒介 時間: 2025-3-26 19:01
Acquired Valve Disease and Processes1.2 to 1.5 in real galaxies. We consider a number of possible explanations for this discrepancy between theoretical prediction and observation, and conclude that no conventional alternative seems able to account for it.作者: 不適 時間: 2025-3-27 00:38
Animal Models for Cardiac Valve Researchhe bar. The disc expands both in the vertical and the radial direction so that its shape remains that of a thin disc. If the orbit is at an angle with the target disc the latter undergoes an important tilt.作者: sacrum 時間: 2025-3-27 02:22 作者: 茁壯成長 時間: 2025-3-27 06:54 作者: 剛開始 時間: 2025-3-27 12:34
The fate of barred galaxies in interacting and merging systems,he bar. The disc expands both in the vertical and the radial direction so that its shape remains that of a thin disc. If the orbit is at an angle with the target disc the latter undergoes an important tilt.作者: 無可爭辯 時間: 2025-3-27 13:46 作者: LINE 時間: 2025-3-27 20:48 作者: 禁止 時間: 2025-3-28 00:45 作者: 獸皮 時間: 2025-3-28 04:51 作者: 立即 時間: 2025-3-28 08:36 作者: EVEN 時間: 2025-3-28 13:04 作者: 粗語 時間: 2025-3-28 15:39 作者: 憤慨點吧 時間: 2025-3-28 18:49
https://doi.org/10.1007/978-3-031-17933-4al region is associated with a dense molecular gas disk, in which the majority of gas is concentrated in a rotating molecular ring. Outflow structures like the radio lobe is associated with rotating molecular gas at high speed, consistent with a twisted magnetic cylinder driven by accretion of a rotating gas disk.作者: comely 時間: 2025-3-28 23:17 作者: 嘮叨 時間: 2025-3-29 03:20 作者: 不要嚴酷 時間: 2025-3-29 09:56
The barred galaxy NGC 1530, identify with large scale shocks observed in hydrodynamic simulations. Although hydrodynamical models are generally used to constrain the mass model, the observations could in turn be used to find a better ISM descriptor.作者: 猛然一拉 時間: 2025-3-29 13:17
A circumnuclear molecular torus in NGC 1365, 5″ is the dominant feature. Molecular emission is also seen coming from various dust streamers in the bar of the galaxy. The velocity field of the molecular region agrees well with predictions of models of gas streaming in the bar and nuclear region.作者: 詢問 時間: 2025-3-29 17:50 作者: 艦旗 時間: 2025-3-29 20:19
Radio continuum and molecular gas in the Galactic Center,al region is associated with a dense molecular gas disk, in which the majority of gas is concentrated in a rotating molecular ring. Outflow structures like the radio lobe is associated with rotating molecular gas at high speed, consistent with a twisted magnetic cylinder driven by accretion of a rotating gas disk.作者: Arroyo 時間: 2025-3-30 00:34
Conference proceedings 1996etical papers describe their evolution, the dynamics as well as fundamental physical effects near their nuclei. Other contributions cover numerical and observational aspects and thus represent a very active area in astrophysics. The centre of our galaxy was also amply dealt with. The collection addresses researchers as well as graduate students.作者: FICE 時間: 2025-3-30 06:55 作者: 想象 時間: 2025-3-30 08:37 作者: 別炫耀 時間: 2025-3-30 12:59
https://doi.org/10.1057/9780312299187etween 0.1 and 5 pc radius from the dynamic center now strongly favor the existence of a central dark mass of 2.5 to 3.3×10. M. within 0.1 pc of the dynamic center. This central dark mass cannot be a cluster of neutron stars. It is either a compact cluster of stellar black holes or, most likely, a single massive black hole.作者: AMBI 時間: 2025-3-30 19:19 作者: Devastate 時間: 2025-3-31 00:36 作者: Cuisine 時間: 2025-3-31 01:37 作者: 天空 時間: 2025-3-31 06:01
Orbits in barred galaxies,parison of our method with Laskar‘s frequency analysis method is made. In 3-D systems we define one spectrum for stretching numbers and three spectra for helicity angles. A clear distinction between Arnold diffusion and resonance overlap diffusion is made.作者: 支形吊燈 時間: 2025-3-31 11:12 作者: 寬度 時間: 2025-3-31 16:02
The pattern speed of the Galactic bulge,persion ratios in Baade‘s window. From the velocity dispersion in Baade‘s window, and an assumed distance of 8 kpc to the Galactic center we obtain a mass of 2.7×10. M. and a pattern speed of 39 km s. kpc..作者: 翻動 時間: 2025-3-31 20:28 作者: CODE 時間: 2025-4-1 00:03
The galactic center dynamics,potential serves as a source of excitation of the density wave. In the both cases, the generated spiral density wave is consistent with the observed ‘mini-spiral’ if the upper limit to the black hole mass is ?10.M..作者: Perceive 時間: 2025-4-1 02:27 作者: NIB 時間: 2025-4-1 07:44
Formation and evolution mechanisms of barred spiral galaxies, such bars respond to angular momentum loss to the spiral structure is also considered. Finally the Galactostrophic approximation is introduced and guiding centres are shown to follow Ergos curves. Lindblad-like epicyles about such curves yield a new integral for the stellar dynamic of barred galaxi作者: 迅速成長 時間: 2025-4-1 12:21
Orbits in barred galaxies,wo new criteria for characterizing ordered and chaotic orbits, the stretching numbers (or short-time Lyapunov characteristic numbers) and the helicity angles (the angles between the current deviations from a given orbit and a fixed direction). The distributions of successive stretching numbers and h作者: 野蠻 時間: 2025-4-1 14:22 作者: ascetic 時間: 2025-4-1 21:22 作者: 行為 時間: 2025-4-2 00:56
Hydrodynamical simulations of the barred spiral galaxy NGC 1365,sing the FS2 code originally written by G.D. van Albada. We find good agreement between observations and models, both concerning the morphology and the velocity field. Contrary to observations, the pure bar perturbed models cannot drive an inner arm across corotation. Models having both a bar and sp作者: craving 時間: 2025-4-2 04:38
