{{t.titulosHerramientas.nube}}

{{t.titulosHerramientas.numeros}}

Three spectroscopic binaries in the bright Star Catalog supplement
C. D. Scarfe

Abstract: This paper presents spectroscopic orbits of three binaries, HD 121212, HD 148434 and HD 148912, with evolved primaries and periods of order a year, found in a survey of late-type stars listed in the Supplement to the Yale Bright Star Catalog. All the orbits w

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Interstellar absorption towards the Novae V339 Del and V5668 SGR
D. Jack K.-P. Schröder

Abstract: We present a search and study of interstellar (IS) absorption features in the observed spectra of two Novae V339 Del and V5668 Sgr. We obtained high reslution spectra (R ≈ 20, 000) in the wavelength range between 3800 and 8800 Å of both novae with the TIGRE t

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Relativistic beaming effects and structural asymmetries in highly asymmetric double radio sources

Abstract: We have studied the comparative importance of the relativistic beaming model (RBM) and the density variation model (DVM) in our understanding of asymmetries in double radio sources, using their lobe separation ratio (Q) and flux density ratio (F ). Our result

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Enhanced mass loss rates in red supergiants and their impact on the circumstellar medium

Abstract: In this work, we present models of massive stars between 15 and 23 M⊙, with enhanced mass loss rates during the red supergiant phase. Our aim is to explore the impact of extreme red supergiant mass-loss on stellar evolution and on their circumstellar medium.

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Minimizing fuel consumption in orbit transfers using universal variable and particle swarm optimization
L. M. Echeverry Y. Villanueva

Abstract: Minimizing fuel consumption in space travels is becoming increasingly important for spatial development. In the present paper, the fuel consumption in orbit transfers (without gravitational assistance) is minimized, where a spacecraft performs a change from a

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
The environmental dependence of galaxy age and stellar mass in the redshift region 0.6 ≤ z ≤ 0.75
Xin-Fa Deng

Abstract: In this work, I construct a LRG (Luminous Red Galaxy) sample with redshifts 0.6 ≤ z ≤ 0.75 from the Sloan Digital Sky Survey Data Release 15 (SDSS DR15), which contains 184172 CMASS LRGs and 27158 eBOSS LRGs, and examine the environmental dependence of galaxy

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
On the nature of the hads star V2455 CYG1

Abstract: Using uvby − β photoelectric photometry obtained with the 0.84 m telescope of the Observatorio Astrónomico Nacional de San Pedro Mártir, México, we deter-mined some of the physical characteristics, such as effective temperature and surface gravity of the high

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Study of the open cluster NGC 1528 through uvby − β photoelectric photometry

Abstract: uvby − β photoelectric photometry of sixty-five stars in the direction of the open cluster NGC 1528 is presented. From the uvby − β photometry of the cluster we classified the spectral types of the stars which allowed us to determine the reddening (E(b-y) of

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
3D Hydrodynamic numerical models for nebulae around runaway wolf-rayet stars

Abstract: We present 3D hydrodynamical simulations of the circumstellar bubble from a Wolf-Rayet runaway star. In the models two properties were taken into account: the proper motion of the central star through the interstellar medium (ISM) and (b) the evolution of the

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Some remarks on the open cluster upgren 1 using uvby − β photoelectric photometry

Abstract: The open cluster Upgren 1 presents peculiar features that in the past led to divergent opinions about its existence. In previous studies of other clusters, uvby − β photoelectric photometry has shown results in agreement with other techniques; therefore, the

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Gravitational wave enhancement as a tool to distinguish dark matter halo profiles

Abstract: The recent success of the dark matter model has proven to be an invaluable tool for describing the formation, evolution and stability of galaxies. In this work we study the enhancement function, F, of the gravitational lensing of gravitational waves by galact

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Dynamics of clusters of galaxies with extended F(χ) gravity

Abstract: In this article, we present the results of a fourth order perturbation analysis of the metric theory of gravity f(χ) = χ 3/2 with χ a suitable dimensionless Ricci scalar. Such a model corresponds to a specific f(R) metric theory of gravity, where the mass of

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Metallicity gradients in M31, M 33, NGC 300 and the milky way using abundances of different elements
Miriam Peña Sheila N. Flores-Durán

Abstract: Metallicity gradients derived from planetary nebulae (PNe) using O, Ne, and Ar abundances are studied and compared to those from H II regions in the galaxies M 31, M 33, NGC 300 and the Milky Way. Galactocentric rad II and chemical abundances were collected f

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Substructure formation in tidal streams of galactic minor mergers

Abstract: In this work, we explore the idea that substructures like stellar clusters could be formed from the tidal stream produced in galactic minor mergers. We use N-body and SPH simulations of satellite galaxies interacting with a larger galaxy. We study the distrib

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Millimeter and far-ir study of the IRDC SDC341.232-0.268

Abstract: We analyze the molecular gas and dust associated with the infrared dark cloud SDC341.232-0.268 in order to investigate the characteristics and parameters of the gas, determine the evolutionary status of four embedded EGO candidates, and establish possible inf

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Searching for mid-range planar orbits to observe deimos

Abstract: In this paper we search for mid-range planar orbits for a spacecraft traveling in the neighborhood of Deimos. The first task is to perform a numerical search to find and classify mid-range natural orbits around Deimos that are dominated by Mars, using the ide

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Chaos in growing bar models

Abstract: This paper aims to verify the influence of the bar, its pattern speed (Ω b ) and its rate of growth on the stability of the orbits in gravitational potentials. We studied the nature of the orbits in potentials representing galaxies with growing bars, where

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
NGC 1261: A time-series VI study of its variable stars

Abstract: Time-series VI CCD photometry of the globular cluster NGC 1261 is employed to study its variable star population. A membership analysis of most variables based on Gaia DR2 proper motions and colours was performed prior to the estimation of the mean cluster di

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
A new method for actively tuning FBG’s to particular infrared wavelengths for oh emission lines suppression

Abstract: This paper presents the conceptual design for a new method for the suppression of OH emission lines at near-infrared (NIR) wavelengths by actively adjusting the aperiodic fiber optic Bragg gratings tension. First, we prepared an experimental study in which we

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Opticam: a triple-camera optical system designed to explore the fastest timescales in astronomy

Abstract: We report the development of a high-time resolution, 3-colour, simultaneous optical imaging system for the 2.1 m telescope in the San Pedro Mártir Observatory, México. OPTICAM will be equipped with three 2,048×2,048 pixel Andor Zyla 4.2-Plus sCMOS cameras and

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}
Extensive online shock model database
A. Alarie C. Morisset

Abstract: We present a new database of fully radiative shock models calculated with the shock and photoionization code mappings v. The database architecture is built to contain diverse shock grids comprising of multiple shock parameters. It can be easily accessible thr

en es

{{t.titulosSecciones.herramientas}}
{{t.titulosSecciones.compartir}}

Criterios de Evaluación
Criterios Básicos de Admisión Criterios Básicos de Admisión
{{criterio.prioridadCriterio}}. {{criterio.observaciones}}
{{criterio.prioridadCriterio}}. {{criterio.observaciones}}
Criterios Altamente Valorados / Criterios Deseables Criterios Cualitativos
{{criterio.prioridadCriterio}}. {{criterio.observaciones}}
{{criterio.prioridadCriterio}}. {{criterio.observaciones}}
Criterios Altamente Valorados Cuantitativos
{{criterio.prioridadCriterio}}. {{criterio.observaciones}}