FLOAT
发表于 2025-3-25 05:53:02
M Giant Kinematics in Off-axis Fields between 150 and 300 PC from the Galactic Centers., and −31 ± 28 km s. and 153 ± 17 km s. for fields located at 299, 288, 171, and 160 pc projected radius, respectively. The dispersions generally match Kent’s (1992) axisymmetric mass model but may be higher than the model’s predictions at small projected radius.
venous-leak
发表于 2025-3-25 07:33:34
Results of the SiO Maser Survey of the Galactic Bulge IRAS Sources found yet. At optical wavelengths, stellar radial velocities of the bulge stars were observed only at the optical windows and were not observed for the entire region of the bulge because of the dust extinction in this direction.
Anecdote
发表于 2025-3-25 12:07:13
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商店街
发表于 2025-3-25 18:36:45
Faint Surface Photometry of the Halo of M31[itp(.) ∝ R.. This result suggests that the globular cluster component of the halo of M31 (for which . ∝ ..) is more extended than the stellar halo of this galaxy. At μ. ≈ 28 mag arcsec. (. ≈ 10 kpc), the axial ratio of the halo of M31 is found to be ./. = 0.55 ± 0.05.
CHARM
发表于 2025-3-25 22:32:20
Book 1996hat does the answertell us about its dynamical history? Is there a black hole at thecenter of the Galaxy? How far does the Galaxy extend? How much darkmatter is there in the Milky Way system? And more.
头脑冷静
发表于 2025-3-26 02:27:19
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Fibrillation
发表于 2025-3-26 06:56:37
Ellipticity of Outer Regions of Galactic Disksreference frame in which there is a common LON for orbits within the transition radius and also a differently oriented straight LON for the gas outside the transition radius, which is approximately equal to the Holmberg radius of the galaxy.
沉积物
发表于 2025-3-26 09:41:33
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Palate
发表于 2025-3-26 13:38:40
Results from the Optical Gravitational Lensing Experiment (OGLE) OGLE events are related to dark matter . The OGLE color magnitude diagrams reveal the presence of the Galactic bar and a low density inner disk region ∼ 4 kpc in radius. A catalogue of a few thousand variable stars is in preparation.
放肆的你
发表于 2025-3-26 20:20:57
Hans-Walter Rixa about interactions between the human mind and digital entities, such as data, visual imagery, algorithms, and computer-generated predictions and recommendations. Visualization psychology is a new type of science in the making..978-3-031-34740-5978-3-031-34738-2