Results 101 to 110 of about 44,509 (325)

The Age-dependent Vertical Actions of Young Stars in the Galaxy

The Astrophysical Journal
Stars in the Galactic disk are born on cold, nearly circular orbits with small vertical excursions. After their birth, their orbits evolve, driven by small- or large-scale perturbations in the Galactic disk’s gravitational potential.
D. N. Garzon, Neige Frankel, Eleonora Zari, Maosheng Xiang, Hans-Walter Rix   +4 more
doaj   +1 more source

Role of Gaseous Disk in the Formation of the Spiral Structure of the Milky Way Galaxy

Open Astronomy, 2016
We use observational gaseous and stellar density distributions in the disk of the Milky Way (MW) galaxy together with the disk rotation curve and measured disk velocity dispersion to build collisionless and combined collisionless-gaseous equilibrium ...
Korchagin V. I., Khoperskov S. A., Khoperskov A. V.   +2 more
doaj   +1 more source

4MOST Consortium Survey 3: Milky Way Disc and Bulge Low-Resolution Survey (4MIDABLE-LR)

, 2019
The mechanisms of the formation and evolution of the Milky Way are encoded in the orbits, chemistry and ages of its stars. With the 4MOST MIlky way Disk And BuLgE Low-Resolution Survey (4MIDABLE-LR) we aim to study kinematic and chemical substructures in
Anders, F., Andrae, R., Arentsen, A., Asplund, M., Bensby, T., Bergemann, M., Casagrande, L., Cescutti, G., Chiappini, C., Church, R., Feltzing, S., Fouesneau, M., Fusillo, N., Gerhard, O., Grebel, E., Guiglion, G., Khalatyan, A., Kordopatis, G., Kovalev, M., Lemasle, B., Matijevic, G., McMillan, P., Minchev, I., Monari, G., Queiroz, A., Rix, H., Rybizki, J., Ryde, N., Schwope, A., Starkenburg, E., Steinmetz, M., Storm, J., Team, 4., Traven, G., Tremblay, P., Valentini, M., Walton, N., Xiang, M., Zucker, D.   +38 more
core   +1 more source

Alphaviral Capsid Proteins Inhibit Stress Granule Assembly via Competitive RNA Binding With G3BP1

Advanced Science, EarlyView.
Stress granules exert antiviral functions. This study illustrates a conserved function of alphaviral capsid proteins in modulating stress granules. Oligomerization mediated by a helical motif coupled with a positively charged intrinsically disordered region (IDR) directly competes with G3BP1 for RNA binding, thereby disrupting G3BP1‐RNA liquid–liquid ...
Yun Zhang, Yi Liu, Zhiying Yao, Haolong Lai, Xiaoxin Chen, Ziqiu Wang, Yiqiong Bao, Tingting Li, Xiaoming Zhou, Xiabin Chen, Peiguo Yang   +10 more
wiley   +1 more source

How Early Could the Milky Way's Disk Form?

The Astrophysical Journal
18 pages + appendix, 14 figures, 3 tables. Accepted for publication in ApJ. Related visualizations can be found at https://vadimsemenov.com/visualizations/
Semenov, Vadim A., Conroy, Charlie, Smith, Aaron, Puchwein, Ewald, Hernquist, Lars   +4 more
openaire   +3 more sources

The Merger Rate of Extremely Low Mass White Dwarf Binaries: Links to the Formation of AM CVn Stars and Underluminous Supernovae

, 2010
We study a complete, colour-selected sample of double-degenerate binary systems containing extremely low mass (ELM) 3% of AM CVn stars. More importantly, the ELM WD systems that may detonate merge at a rate comparable to the estimated rate of ...
Badenes, Bildsten, Brown, Brown, Brown, Brown, Carlos Allende Prieto, Eisenstein, Foley, Guillochon, Hils, Jurić, Kasliwal, Kilic, Kulkarni, Landau, Leggett, Li, Marsh, Mukremin Kilic, Nelemans, Nelemans, Nelemans, Nomoto, Panei, Perets, Podsiadlowski, Rau, Roelofs, Roelofs, Schmidt, Scott J. Kenyon, Serenelli, Shen, Solheim, Thompson, Waldman, Warner, Warren R. Brown, Widrow, Woosley   +40 more
core   +1 more source

Mechanisms of Aristolochic Acid Resistance in Specialist Butterflies and Evolutionary Insights for Potential Protective Pathways

Advanced Science, EarlyView.
The study provides an extreme example of insect adaptation to highly toxic defenses of host plants, and investigates the complex strategies to resist carcinogenic aristolochic acids, including physical isolation, metabolic detoxification, and DNA repair.
Yang Luan, Yubo Zhang, Jingjing Li, Jianqing Zhu, Yuyang Lei, Yushi Hu, Zhenqiang Xin, Tianpei Xie, Jiang Zheng, Yuanyuan Lin, Jingjing Shen, Yiyi Cao, Xinyue You, Jing Xi, Jiaying Wu, Weiying Liu, Xinyu Zhang, Yuanting Zheng, David J. Lohman, Leming Shi, Wei Zhang   +20 more
wiley   +1 more source

A DNA Tetrahedron Delivery Asiatic Acid to Reprogram Mitochondrial Metabolism for Promoting Bone Regeneration via STAT3 Phosphorylation

Advanced Science, EarlyView.
A hyaluronic acid methacrylate (HAMA) hydrogel incorporating DNA tetrahedrons loaded with Asiatic acid (TDN@AA) was developed. HM‐TDN@AA promotes angiogenesis of endothelial cells (ECs), inhibits osteoclastogenesis from bone marrow–derived macrophages (BMDMs), and enhances osteogenesis of mesenchymal stem cells (MSCs) via STAT3‐mediated mitochondrial ...
Yiwen Huang, Yiming Zhang, Yisheng Feng, Qixiang Yang, Beiyuan Gao, Haiyang Xu, Cheng Huang, Kaili Lin, Yuanzhi Xu, Peiqi Zhu   +9 more
wiley   +1 more source

Microlensing Events in Five Years of Photometry from the Zwicky Transient Facility

The Astrophysical Journal
Microlensing has a unique advantage for detecting dark objects in the Milky Way, such as free-floating planets, neutron stars, and stellar-mass black holes.
Ruocheng Zhai, Antonio C. Rodriguez, Shude Mao, Casey Y. Lam, Eric C. Bellm, Josiah Purdum, Frank J. Masci, Avery Wold   +7 more
doaj   +1 more source

The ESO-Max Planck photometric and spectroscopic survey in the south: EMPhaSSiS

EPJ Web of Conferences, 2012
EMPhaSSiS is a photometric and spectroscopic survey of the disk of the Milky Way. The survey covers 33 fields in the 3rd quadrant of the Milky Way and probes every ten degrees in Galactic Longitude between l = 180∘ - 280∘ and at Galactic Latitudes of b =
Ibata R., Lane R., Lewis G., Bensby T., Noël N., Martin N., Rix H.-W., Ederoclite A., Conn B., Irwin M., Beers T., Lee Y.S.   +11 more
doaj   +1 more source