Results 21 to 30 of about 25,032,553 (386)

Faint satellite population of the NGC-3175 Group – a Local Group analogue [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2018
In this paper we identify and study the properties of low mass dwarf satellites of a nearby Local Group analogue - the NGC-3175 galaxy group with the goal of investigating the nature of the lowest mass galaxies and the `Missing Satellites' problem.
R. Kondapally   +3 more
semanticscholar   +1 more source

Barriers and enablers to source plasma donation by gay, bisexual and other men who have sex with men under revised eligibility criteria: protocol for a multiple stakeholder feasibility study

open access: yesHealth Research Policy and Systems, 2020
Background Blood donation policy in Canada for gay, bisexual and other men who have had sex with men (gbMSM) has changed progressively in the last decade from indefinite deferral to 3-month deferral from last male-to-male sex.
Elisabeth Vesnaver   +17 more
doaj   +1 more source

Changes of Dynamics in Local Productive Systems Based on the Iberian Pig Transformation Industry in Western Sierra Morena (Spain)

open access: yesLand, 2021
Local Productive Systems (hereinafter LPSs) based on agro-food industries constitute alternative models of development in peripheral rural areas that are subject to internal and external dynamics and processes.
Antonio Pizarro-Gómez   +2 more
doaj   +1 more source

Connecting the First Galaxies with Ultrafaint Dwarfs in the Local Group: Chemical Signatures of Population III Stars [PDF]

open access: yes, 2017
We investigate the star formation history (SFH) and chemical evolution of isolated analogs of Local Group (LG) ultrafaint dwarf galaxies (UFDs; stellar mass range of ) and gas-rich, low-mass dwarfs (Leo P analogs; stellar mass range of ).
Myoungwon Jeon, G. Besla, V. Bromm
semanticscholar   +1 more source

MOND simulation suggests an origin for some peculiarities in the Local Group [PDF]

open access: yesAstronomy & Astrophysics, 2017
Context. The Milky Way (MW) and Andromeda (M 31) galaxies possess rotating planes of satellites. The formation of these planes has not been explained satisfactorily so far.
M. B'ilek   +3 more
semanticscholar   +1 more source

Modelling chemical abundance distributions for dwarf galaxies in the Local Group: The impact of turbulent metal diffusion [PDF]

open access: yes, 2017
We investigate stellar metallicity distribution functions (MDFs), including Fe and α-element abundances, in dwarf galaxies from the Feedback in Realistic Environment (FIRE) project. We examine both isolated dwarf galaxies and those that are satellites of
I. Escala   +8 more
semanticscholar   +1 more source

Local Group Dwarf Galaxies: Nature And Nurture [PDF]

open access: yes, 2011
We investigate the formation and evolution of dwarf galaxies in a high resolution, hydrodynamical cosmological simulation of a Milky Way sized halo and its environment.
Annibali   +63 more
core   +1 more source

Planetary Nebulae Surveys Beyond the Local Group [PDF]

open access: yes, 2006
Distant planetary nebulae (PNe) are used to measure distances through the PN luminosity function, as kinematic tracers in determining the mass distribution in elliptical galaxies, and most recently, for measuring the kinematics of the diffuse stellar ...
Gerhard, Ortwin
core   +3 more sources

Sustainability and Tourist Activities in Protected Natural Areas: The Case of Three Natural Parks of Andalusia (Spain)

open access: yesLand, 2022
As a form of protection, a nature park is often created to protect and valorise natural and cultural heritage in peripheral rural areas. However, in terms of multifunctionality, new nature parks incorporate traditional productive activities, such as ...
María Bahamonde-Rodríguez   +2 more
doaj   +1 more source

Chains of Group Localizations [PDF]

open access: yesCommunications in Algebra, 2011
We construct long sequences of localization functors L_a in the category of abelian groups such that L_a > L_b for infinite cardinals a < b less than some k. For sufficiently large free abelian groups F and a < b we have proper inclusions of L_aF into L_bF.
openaire   +2 more sources

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