Results 51 to 60 of about 91,001 (325)

The star-formation history of the Milky Way Galaxy

, 2009
The star-formation histories of the main stellar components of the Milky Way constrain critical aspects of galaxy formation and evolution. I discuss recent determinations of such histories, together with their interpretation in terms of theories of disk ...
Bensby, Bensby, Bensby, Cignoni, Famaey, François, Maiolino, Nordström, Rocha-Pinto, Rosemary F. G. Wyse, Wyse, Wyse   +11 more
core   +1 more source

Chemical Abundances and Milky Way Formation [PDF]

, 2006
to be published in the proceedings of the ESO/Arcetri-workshop on "Chemical Abundances and Mixing in Stars", 13.-17. Sep. 2004, Castiglione della Pescaia, Italy, L. Pasquini, S. Randich (eds.)
Gilmore, Gerry, Wyse, Rosemary F. G.
openaire   +2 more sources

Dense gas and star formation in the outer Milky Way

Astronomy & Astrophysics, 2023
We present maps and spectra of the HCN(1−0) and HCO+(1−0) lines in the extreme outer Galaxy, at galactocentric radii between 14 and 22 kpc, with the 13.7 m Delingha telescope. The nine molecular clouds were selected from a CO/13CO survey of the outer quadrants.
Braine, J., Sun, Y., Shimajiri, Y., Van Der Tak, F. F. S., Fang, M., André, Ph, Chen, H., Gao, Y.   +7 more
openaire   +3 more sources

Very Metal-poor Stars in the Solar Vicinity: Kinematics and Abundance Analysis

The Astrophysical Journal, 2023
Very metal-poor stars contain crucial information on the Milky Way’s infancy. In our previous study we derived a mean age of ∼13.7 Gyr for a sample of these stars in the Sun’s vicinity.
Anastasiia Plotnikova, Giovanni Carraro, Sandro Villanova, Sergio Ortolani   +3 more
doaj   +1 more source

Structural insights into lacto‐N‐biose I recognition by a family 32 carbohydrate‐binding module from Bifidobacterium bifidum

FEBS Letters, EarlyView.
Bifidobacterium bifidum establishes symbiosis with infants by metabolizing lacto‐N‐biose I (LNB) from human milk oligosaccharides (HMOs). The extracellular multidomain enzyme LnbB drives this process, releasing LNB via its catalytic glycoside hydrolase family 20 (GH20) lacto‐N‐biosidase domain.
Xinzhe Zhang, Naoki Sunagawa, Toma Kashima, Kiyohiko Igarashi, Akimasa Miyanaga, Shinya Fushinobu   +5 more
wiley   +1 more source

The Three-phase Evolution of the Milky Way

The Astrophysical Journal
We illustrate the formation and evolution of the Milky Way over cosmic time, utilizing a sample of 10 million red giant stars with full chemodynamical information, including metallicities and α -abundances from low-resolution Gaia XP spectra.
Vedant Chandra, Vadim A. Semenov, Hans-Walter Rix, Charlie Conroy, Ana Bonaca, Rohan P. Naidu, René Andrae, Jiadong Li, Lars Hernquist   +8 more
doaj   +1 more source

Star Formation in the Milky Way and Nearby Galaxies

, 2012
We review progress over the past decade in observations of large-scale star formation, with a focus on the interface between extragalactic and Galactic studies.
Altenhoff WJ, Bacmann A, Blanc GA, Bronfman L, Bronfman L, Buat V, Casassus S, Cesaroni R, Christlein D, Draine BT, Gavazzi G, Glover SCO, Goddard QE, Hunter DA, Koda J, Koribalski BS, Kramer C, Laurent O, Motte F, Mouschovias TCh, Neal J. Evans, Niklas S, Perault M, Reipurth B, Robert C. Kennicutt, Ruphy S, Stahler SW, Stutzki J, Wouterloot JGA, Zasov AV   +29 more
core   +1 more source

DISCOVERY OF RR LYRAE STARS IN THE NUCLEAR BULGE OF THE MILKY WAY [PDF]

, 2016
Indexación: Web of ScienceGalactic nuclei, such as that of the Milky Way, are extreme regions with high stellar densities, and in most cases, the hosts of a supermassive black hole.
Gonzalez, OA, Gran, F, Minniti, D, Ramos, RC, Rejkuba, M, Valenti, E, Zoccali, M   +6 more
core   +2 more sources

Peptide‐based ligand antagonists block a Vibrio cholerae adhesin

FEBS Letters, EarlyView.
The structure of a peptide‐binding domain of the Vibrio cholerae adhesin FrhA was solved by X‐ray crystallography, revealing how the inhibitory peptide AGYTD binds tightly at its Ca2+‐coordinated pocket. Structure‐guided design incorporating D‐amino acids enhanced binding affinity, providing a foundation for developing anti‐adhesion therapeutics ...
Mingyu Wang, Grace Du, Charity Yongo‐Luwawa, Angelina Lu, Brett Kinrade, Kim Munro, Karl E. Klose, William D. Lubell, Peter Davies, Shuaiqi Guo   +9 more
wiley   +1 more source

Predicting the locations of possible long-lived low-mass first stars: Importance of satellite dwarf galaxies

, 2017
The search for metal-free stars has so far been unsuccessful, proving that if there are surviving stars from the first generation, they are rare, they have been polluted, or we have been looking in the wrong place.
Agarwal, Bhaskar, Frebel, Anna, Glover, Simon C. O., Griffen, Brendan F., Hartwig, Tilman, Klessen, Ralf S., Magg, Mattis   +6 more
core   +2 more sources