Results 11 to 20 of about 2,257 (202)

M54 + SAGITTARIUS = ω CENTAURI [PDF]

open access: bronzeThe Astrophysical Journal, 2010
We derive homogeneous abundances of Fe, O, Na, and α-elements from high-resolution FLAMES spectra for 76 red giant stars in NGC 6715 (M54) and for 25 red giants in the surrounding nucleus of the Sagittarius (Sgr) dwarf galaxy. Our main findings are the following. (1) We confirm that M54 shows intrinsic metallicity dispersion, ~0.19 dex rms.
CARRETTA E   +9 more
openaire   +3 more sources

The Dark Matter Halo of M54 [PDF]

open access: goldThe Astrophysical Journal, 2022
Abstract M54 is a prototype for a globular cluster embedded in a dark matter halo. Gaia Early Data Release 3 photometry and proper motions separate the old, metal-poor stars from the more metal-rich and younger dwarf galaxy stars. The metal-poor stars dominate the inner 50 pc, with a velocity dispersion profile that declines to a minimum
Raymond G. Carlberg, Carl J. Grillmair
openaire   +4 more sources

Intestinal bacterium Bacillus siamensis M54 from Allomyrina dichotoma is a potential biocontrol agent against maize stalk rot

open access: goldBiological Control
Maize stalk rot, caused by Fusarium spp., is a significant disease that adversely impacts the yield and quality of corn. Biological control plays a crucial role in managing numerous crop diseases, including maize stalk rot.
Yue Yuan   +10 more
doaj   +2 more sources

A Matrine Derivative M54 Suppresses Osteoclastogenesis and Prevents Ovariectomy-Induced Bone Loss by Targeting Ribosomal Protein S5

open access: goldFrontiers in Pharmacology, 2018
Post-menopausal osteoporosis (PMOP) is a metabolic bone disorder characterized by low bone mass and micro-architectural deterioration of bone tissue.
Zhi Xin   +17 more
doaj   +2 more sources

Effect of Aging Temperature on Mechanical Properties and Structure of Secondary-Hardening Ultra-High Strength Steel M54

open access: greenTeshugang, 2017
The tested steel M54 (/%:0.28~0.32C, ≤0.10Si, ≤0.10Mn, ≤0.005S, ≤0.008P, 9.5~10.5Ni, 6.6~7.4Co, 1.8~2.2Mo, 1.1~1.5W, 0.7~1.3Cr, 0.04~0.16V) is melted by 5.8t vacuum induction furnace +2.2t vacuum consumable electrode furnace, and forged to Ф170mm bar ...
王飞   +8 more
doaj   +1 more source

M54 selectively stabilizes the circadian clock component of CRY1 and enhances the period of circadian rhythm at cellular level. [PDF]

open access: goldJ Biol Chem
Gül ZM   +8 more
europepmc   +3 more sources

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