Results 51 to 60 of about 300,999 (314)
The E-MOSAICS project: tracing galaxy formation and assembly with the age–metallicity distribution of globular clusters [PDF]
Monthly notices of the Royal Astronomical Society, 2019 We present 25 cosmological zoom-in simulations of Milky Way-mass galaxies in the `MOdelling Star cluster population Assembly In Cosmological Simulations within EAGLE' (E-MOSAICS) project.
J. Kruijssen +3 more
semanticscholar +1 more source
FEBS Letters, EarlyView.The NlpC_P60 superfamily of peptidases is recognised by its key role in bacterial cell wall homeostasis. Recently, studies have also described the involvement of NlpC_P60‐like enzymes in bacterial competitive mechanisms and pathogenesis across several lineages.
Catharina dos Santos Silva +1 more
wiley +1 more source
A JWST Project on 47 Tucanae: NIRSpec Spectroscopy of Multiple Populations among M Dwarfs
The Astrophysical Journal LettersWe present the first spectroscopic estimates of the chemical abundance of M dwarf stars in a globular cluster (GC), namely 47 Tucanae. By exploiting NIRSpec on board the James Webb Space Telescope, we gathered low-resolution spectra for 28 stars with ...
A. F. Marino +14 more
doaj +1 more source
The Colors of Dwarf Elliptical Galaxy Globular Cluster Systems, Nuclei and Stellar Halos [PDF]
Astrophys.J. 613 (2004) 262-278, 2004 We present the results of a Hubble Space Telescope WFPC2 F555W and F814W survey of 69 dwarf elliptical galaxies (dEs) in the Virgo and Fornax Clusters and Leo Group. The $V-I$ colors of the dE globular clusters, nuclei, and underlying field star populations are used to trace the dE star-formation histories.
arxiv +1 more source
The Star Clusters That Make Black Hole Binaries across Cosmic Time [PDF]
Astrophysical Journal, 2018 We explore the properties of dense star clusters that are likely to be nurseries of stellar black holes pairing in close binaries. We combine a cosmological model of globular cluster formation with analytic prescriptions for the dynamical assembly and ...
Nick Choksi +4 more
semanticscholar +1 more source
Making tau amyloid models in vitro: a crucial and underestimated challenge
FEBS Letters, EarlyView.This review highlights the challenges of producing in vitro amyloid assemblies of the tau protein. We review how accurately the existing protocols mimic tau deposits found in the brain of patients affected with tauopathies. We discuss the important properties that should be considered when forming amyloids and the benchmarks that should be used to ...
Julien Broc, Clara Piersson, Yann Fichou
wiley +1 more source
Globular cluster system erosion and nucleus formation in elliptical galaxies [PDF]
, 1998 The radial distribution of globular clusters in galaxies is always less peaked to the centre than the halo stars'. Extending previous work to a sample of HST globular cluster systems in ellipticals, we evaluate the number of clusters lost to the galactic centre as the integrals of the difference between the observed globular cluster system distribution
arxiv +1 more source
Redshift Evolution of the Black Hole Merger Rate from Globular Clusters [PDF]
Astrophysical Journal, 2018 As the sensitivity of current and future gravitational-wave detectors improves, it will become possible to measure the evolution of the binary black hole merger rate with redshift.
C. Rodriguez, A. Loeb
semanticscholar +1 more source
FEBS Letters, EarlyView.α2 → 8 polysialic acid elicits poor immunogenicity. Small‐angle scattering shows a supramolecular structure with parallel‐chain binding, although in different forms at μm and mm calcium. The major histocompatibility complex requires molecular weights around 2000 Da to produce antibodies, and 2000 Da polysialic oligomers will bind in these structures ...
Kenneth A. Rubinson
wiley +1 more source
Rotation and Hα Emission in a Young SMC Cluster: A Spectroscopic View of NGC 330
The Astrophysical JournalWe present an analysis of high-resolution optical spectra recorded for 30 stars of the split extended main-sequence turnoff of the young (∼40 Myr) Small Magellanic Cloud globular cluster NGC 330.
Paul I. Cristofari +6 more
doaj +1 more source