Results 111 to 120 of about 176,265 (348)

Near-infrared observations of galaxies in Pisces-Perseus. V. On the origin of bulges

open access: yes, 2003
We investigate the scaling relations of bulge and disk structural parameters for a sample of 108 disk galaxies.Structural parameters are obtained from 2D bulge/disk decomposition of H-band images.Bulges are modelled with a generalized exponential (Sersic)
Aguerri   +89 more
core   +1 more source

The visibility of the Galactic bulge in optical surveys. Application to the Gaia mission [PDF]

open access: yes, 2004
The bulge is a region of the Galaxy which is of tremendous interest for understanding Galaxy formation. However, measuring photometry and kinematics in it raises several inherent issues, like high extinction in the visible and severe crowding.
A. C. Robin   +18 more
core   +2 more sources

Variable stars in the residual light curves of OGLE-IV eclipsing binaries towards the Galactic Bulge [PDF]

open access: hybrid, 2023
Rozália Z. Ádám   +5 more
openalex   +1 more source

Cosolvent Electrolyte Design for Li–S Batteries: Suppressing the Shuttle Effect via Phase Separation

open access: yesAdvanced Materials, EarlyView.
The impact of introducing cosolvents are investigated with diverse properties into a high‐donor‐number solvent for Li–S batteries. This approach regulates LiPS solubility and S3•− radical formation, strongly influencing sulfur redox kinetics. Moreover, a cosolvent with low miscibility effectively suppressed the shuttle effect, thereby enhancing cycling
Changyu Yeo   +8 more
wiley   +1 more source

A Breakdown of the Black Hole–Bulge Mass Relation in Local Active Galaxies

open access: yesThe Astrophysical Journal
We investigate the relation between black hole (BH) mass and bulge stellar mass for a sample of 117 local ( z ∼ 0) galaxies hosting low-luminosity, broad-line active galactic nuclei (AGNs).
Megan R. Sturm, Amy E. Reines
doaj   +1 more source

The chemical evolution of the Galactic Bulge seen through micro-lensing events

open access: yesEPJ Web of Conferences, 2012
Galactic bulges are central to understanding galaxy formation and evolution. Here we report on recent studies using micro-lensing events to obtain spectra of high resolution and moderately high signal-to-noise ratios of dwarf stars in the Galactic bulge.
Lucatello S.   +8 more
doaj   +1 more source

Ion‐Regulating Membranes with Surface‐Enriched Charge Networks Enabling Stable Zinc‐Manganese Flow Batteries

open access: yesAdvanced Materials, EarlyView.
An ion‐regulating membrane is designed with a surface‐concentrated positively‐charged Zn2⁺ crosslinked network for zinc‐manganese flow batteries. The membrane effectively mitigates proton crossover and regulates zinc ion distribution to avoid dendrites, thus significantly improving areal capacity and prolonging the lifespan with a record accumulated ...
Jine Wu, Jiafeng Lei, Yi‐Chun Lu
wiley   +1 more source

R Coronae Borealis stars in the Galactic Bulge discovered by EROS-2

open access: yes, 2008
Rare types of variable star may give unique insight into short-lived stages of stellar evolution. The systematic monitoring of millions of stars and advanced light curve analysis techniques of microlensing surveys make them ideal for discovering also ...
A. Gould   +94 more
core   +3 more sources

Nature‐Inspired Design Strategies for Efficient Atmospheric Water Harvesting

open access: yesAdvanced Materials, EarlyView.
This review presents advances in bioinspired atmospheric water harvesting systems, emphasizing how structural motifs such as wettability gradients, directional transport, and hierarchical porosity have been translated into engineered fog‐collection and vapor‐sorption strategies for enhanced water uptake, accelerated transport, and energy‐efficient ...
Yunchan Lee, Shouhong Fan, Shu Yang
wiley   +1 more source

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