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Autor Castro Rubio, Elisa de |
Documentos disponibles escritos por este autor (50)
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López Santiago, Javier ; Miceli, M. ; Valle, M. V. del ; Romero, G. E. ; Bonito, R. ; Albacete Colombo, J. F. ; Pereira, V. ; Castro Rubio, Elisa de ; Damiani, F. | IOP Publishing | 2012-09-20Runaway stars produce shocks when passing through interstellar medium at supersonic velocities. Bow shocks have been detected in the mid-infrared for several high-mass runaway stars and in radio waves for one star. Theoretical models predict the[...]![]()
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Fernández Figueroa, María José ; Montesinos, B. ; Castro Rubio, Elisa de ; Rego Fernández, Manuel ; Giménez, A. ; Reglero, V. | EDP Sciencies | 1986-11We report here new Ca II H and K emission line fluxes and equivalent widths for seven RSCVn binary systems, observed at several orbital phases. All the stars show enhanced chromospheric activity. With information from available spectra, an in d[...]![]()
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Hernán Obispo, M. ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | EDP Sciencies | 2015-04Context. In a previous paper we reported a planetary companion to the young and very active K5Ve star BD+20 1790. We found that this star has a high level of stellar activity (log R'_HK = -3.7) that manifests in a plethora of phenomena (starspot[...]![]()
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Castro Rubio, Elisa de ; Fernández Figueroa, María José ; Rego Fernández, Manuel ; Ponz, D. | EDP Sciencies | 1981Far ultraviolet emission lines in a sample of seven stars of spectral type later than F5 and different luminosity class have been analyzed to calculate the electron density and pressure in the formation region of the lines. Three different metho[...]![]()
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Montes Gutiérrez, David ; Castro Rubio, Elisa de ; Fernández Figueroa, María José ; Cornide Castro-Piñeiro, Manuel | EDP Sciences | 1995-12We present new spectroscopic observations in the Ca II H & K line region for a sample of 28 chromospherically active binary systems (RS CVn and BY Dra classes), with different activity levels. By using the spectral subtraction technique (subtrac[...]![]()
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Fernández Figueroa, María José ; Montes Gutiérrez, David ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | University Chicago Press | 1994-01We report high-resolution observations of the Ca II H and K and Balmer H_? lines in 53 chromospherically active binary systems including the RS Canum Venaticorum binaries (RS CVn) and BY Draconis (BY Dra) classes. The rotational periods of the s[...]![]()
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Fernández Figueroa, María José ; Montes Gutiérrez, David ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | University Chicago Press | 1994-01We report high-resolution observations of the Ca II H and K and Balmer H? lines in 53 chromospherically active binary systems including the RS Canum Venaticorum binaries (RS CVn) and BY Draconis (BY Dra) classes. The rotational periods of the sa[...]![]()
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López García, M. A. ; López Santiago, J. ; Albacete Colombo, J. F. ; Pérez González, Pablo Guillermo ; Castro Rubio, Elisa de | Wiley | 2013-02Nearby star-forming regions are ideal laboratories to study high-energy emission of different stellar populations, from very massive stars to brown dwarfs. NGC 2023 is a reflection nebula situated to the south of the Flame Nebula (NGC 2024) and [...]![]()
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Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Rego Fernández, Manuel | EDP Sciencies | 1983Ultraviolet emissions of ?Cet, ?Pav, and 61 Cyg A have been analysed to determine the structure of their outer atmospheres. Emission line fluxes are used to find the emission measure distributions. Using two boundary values of the electron press[...]![]()
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Hernán Obispo, M. ; Gálvez Ortiz, M. C. ; Anglada Escudé, G. ; Kane, S. R. ; Barnes, J. R. ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | EDP Sciencies | 2010-03Context. BD+20 1790 is a young active, metal-rich, late-type K5Ve star. We have undertaken a study of stellar activity and kinematics for this star over the past few years. Previous results show a high level of stellar activity, with the presenc[...]![]()
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López Santiago, Javier ; Peri, C. S. ; Bonito, R. ; Miceli, M. ; Albacete Colombo, J. F. ; Benaglia, P. ; Castro Rubio, Elisa de | IOP Publishing | 2013-10-20Protostellar jets appear at all stages of star formation when the accretion process is still at work. Jets travel at velocities of hundreds of km s^-1, creating strong shocks when interacting with the interstellar medium. Several cases of jets h[...]![]()
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In this work we try to establish a connection between the dynamo effect, which operates in the convection zone of late-type stars, and the chromospheric activity observed in these objects. We estímate in a theoretical way, for a sample of main-s[...]![]()
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Caballero, J. A. ; Cornide Castro-Piñeiro, Manuel ; Castro Rubio, Elisa de | Wiley-VCH Verlag GmbH | 2010-03We look for high-amplitude variable young stars in the open clusters and associations of the Orion Belt. We use public data from the ASAS-3 Photometric V -band Catalogue of the All Sky Automated Survey, infrared photometry from the 2MASS and IRA[...]![]()
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Gómez de Castro, Ana Inés ; López Santiago, Javier ; López Martínez, Fátima ; Sánchez, Néstor ; Sestito, Paola ; Castro Rubio, Elisa de ; Cornide, Manuel ; Yáñez, Javier | IOP Publishing | 2015-02In this work, we identify 63 bona fide new candidates to T Tauri stars (TTSs) in the Taurus-Auriga region using as baseline its ultraviolet excess. The initial data set has been defined from the GALEX all sky survey (AIS). The GALEX satellite ob[...]![]()
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Gómez de Castro, Ana I. ; López Santiago, Javier ; López Martínez, Fátima ; Sánchez, Néstor ; Sestito, Paola ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel ; Yáñez Gestoso, Javier | University Chicago Press | 2015-02In this work, we identify 63 bona fide new candidates to T Tauri stars (TTSs) in the Taurus-Auriga region, using its ultraviolet excess as our baseline. The initial data set was defined from the GALEX all sky survey (AIS). The GALEX satellite ob[...]![]()
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Montes Gutiérrez, David ; Castro Rubio, Elisa de ; Gómez de Castro, Ana Inés ; Canet Varea, Ada ; Beitia Antero, Leire ; Gómez Marfil, Emilio | 2021-01-18El objetivo principal del proyecto de innovación docente es reforzar las habilidades técnicas (soft skills) de los alumnos de astrofísica del Grado en Física y Matemáticas y del Máster en Astrofísica de la Facultad. De cara a los Trabajos Fin de[...]![]()
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López Santiago, Javier ; Montes Gutiérrez, David ; Gálvez Ortiz, M. C. ; Crespo Chacón, I. ; Martínez Arnáiz, R. M. ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | EDP Sciencies | 2010-05Aims. We present a compilation of spectroscopic data from a survey of 144 chromospherically active young stars in the solar neighborhood, which may be used to investigate different aspects of its formation and evolution in terms of kinematics an[...]![]()
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Reglero, V. ; Giménez, A. ; Fabregat, J. ; Castro Rubio, Elisa de ; Fernández Figueroa, María José ; Castro, A. de | IOP publishing ltd | 1988-05From 1984 to 1986, we made several observational campaigns at Calar Alto and La Palma Observatories using the uvby and ß photometric systems to monitor a selected sample of late-type variable stars. In this paper we present the ß values for 38 [...]![]()
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Montes Gutiérrez, David ; López Santiago, Javier ; Gálvez, M. C. ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | Wiley | 2001-11-21This is the first paper of a series aimed at studying the properties of late-type members of young stellar kinematic groups. We concentrate our study on classical young moving groups such as the Local Association (Pleiades moving group, 20-150 M[...]![]()
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Montes Gutiérrez, David ; Martín, E. L. ; Fernández Figueroa, María José ; Cornide Castro-Piñeiro, Manuel ; Castro Rubio, Elisa de | EDP Sciences | 1997-06In this work we present spectroscopic observations centered in the spectral lines most widely used as optical indicators of chromospheric activity (H?, H?, CaII H & K, and HeI D_3) in a sample of F, G, K and M chromospherically inactive stars. [...]![]()
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Fernández Figueroa, María José ; Barrado, D. ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | EDP Sciencies | 1993-07Observations of the Li i doublet at 6707.8 angstrom for a sample of active binary systems RS CVn and By Dra have been carried out at the Calar Alto Observatory with the 2.2 m telescope. In addition, some single stars with different chromospheric[...]![]()
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Fernández Figueroa, María José ; Barrado y Navascués, D. ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | EDP Sciencies | 1993-07Observations of the Li i doublet at 6707.8 angstrom for a sample of active binary systems RS CVn and By Dra have been carried out at the Calar Alto Observatory with the 2.2 m telescope. In addition, some single stars with different chromospheric[...]![]()
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Pereira Blanco, Víctor ; López Santiago, J. ; Miceli, M. ; Bonito, R. ; Castro Rubio, Elisa de | EDP Sciencies | 2016-04Context. Runaway O- and early B-type stars passing through the interstellar medium at supersonic velocities and characterized by strong stellar winds may produce bow shocks that can serve as particle acceleration sites. Previous theoretical mode[...]![]()
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Pereira, V. ; López Santiago, J. ; Miceli, M. ; Bonito, R. ; Castro Rubio, Elisa de | EDP Sciencies | 2016-04Context. Runaway O- and early B-type stars passing through the interstellar medium at supersonic velocities and characterized by strong stellar winds may produce bow shocks that can serve as particle acceleration sites. Previous theoretical mode[...]![]()
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Montes Gutiérrez, David ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Sanz Forcada, J. | EDP Sciences | 1997-10This is the first paper of a series aimed at studying the chromosphere of active binary systems using the information provided for several optical spectroscopic features. Simultaneous H_?, Na I D_1, D_2, and He I D_3 spectroscopic observations a[...]![]()
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Montes Gutiérrez, David ; Sanz Forcada, J. ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Poncet, A. | EDP Sciencies | 1998-02-01The star EZ Peg, long ago classified as cataclysmic variable, has been shown to be a chromospherically active binary system of the RS CVn-type. In this paper we have analysed, using the spectral subtraction technique, simultaneous spectroscopic [...]![]()
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Montes Gutiérrez, David ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel ; Latorre, A. ; Sanz Forcada, J. | EDP Sciences | 2000-10This is the third paper of a series aimed at studying the chromosphere of active binary systems using the information provided for several optical spectroscopic features. High resolution echelle spectra including all the optical chromospheric ac[...]![]()
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Montes Gutiérrez, David ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel ; Latorre, A. ; Sanz Forcada, J. | EDP Sciences | 2000-10This is the third paper of a series aimed at studying the chromosphere of active binary systems using the information provided for several optical spectroscopic features. High resolution echelle spectra including all the optical chromospheric ac[...]![]()
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Gálvez, M. C. ; Montes Gutiérrez, David ; Fernández Figueroa, María José ; López Santiago, Javier ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | EDP Sciencies | 2002-07We present high resolution echelle spectra taken during four observing runs from 1999 to 2001 of the recently X-ray/EUV selected chromospherically active binary BK Psc (2RE J0039+103). Our observations confirm the single-lined spectroscopic bina[...]![]()
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Gálvez, M. C. ; Montes Gutiérrez, David ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | EDP Sciencies | 2007-09Context. This is the fifth paper in a series aimed at studying the chromospheres of active binary systems using several optical spectroscopic indicators to obtain or improve orbital solution and fundamental stellar parameters. Aims. We present h[...]![]()
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Sanz Forcada, J. ; Montes Gutiérrez, David ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | Astronomical Society of the Pacific | 1999We present here a continuation of our ongoing project of multiwavelength optical observations aimed at studying the chromosphere of active binary systems using the information provided for several optical spectroscopic features that are formed a[...]![]()
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Gálvez, M. C. ; Montes Gutiérrez, David ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | IOP publishing ltd | 2009-04This paper describes a multiwavelength optical study of chromospheres in two X-ray/EUV-selected active binary stars with strong H alpha emission, V789 Mon (2RE J0725-002) and GZ Leo (2RE J1101+223). The goal of the study is to determine radial v[...]![]()
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Cornide Castro-Piñeiro, Manuel ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Armentia, J. A. ; Reglero, V. | IOP publishing ltd | 1992-04High dispersion spectra have been obtained in order to study the activity level of ten barium stars by means of the Ca II H and K emission flux, looking for a relation between barium intensity index and activity. Absolute magnitudes obtained fro[...]![]()
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Barrado y Navascués, D. ; Fernández Figueroa, María José ; Montesinos, B. ; Castro Rubio, Elisa de | EDP Sciencies | 1994-10In this paper we present a study of the evolutionary status of a sample of chromospherically active binary systems for which accurate determinations of their stellar parameters are available. Stellar ages have been obtained by using evolutionary[...]![]()
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Barrado y Navascués, D. ; Castro Rubio, Elisa de ; Fernández Figueroa, María José ; Cornide Castro-Piñeiro, Manuel ; García López, R. J. | EDP Sciencies | 1998-09-20We present a study of the lithium abundances of a sample of evolved components of Chromospherically Active Binary Systems. We show that a significant part of them have lithium excesses, independently of their mass and evolutionary stage. Therefo[...]![]()
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Montes Gutiérrez, David ; Fernández Figueroa, María José ; Cornide Castro-Piñeiro, Manuel ; Castro Rubio, Elisa de | EDP Sciencies | 1996-08In this work we analyze the behaviour of the excess Ca II H and K and H_ ? emissions in a sample of 73 chromospherically active binary systems (RS CVn and BY Dra classes), of different activity levels and luminosity classes. This sample includes[...]![]()
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Montes Gutiérrez, David ; Fernández Figueroa, María José ; Cornide Castro-Piñeiro, Manuel ; Castro Rubio, Elisa de | EDP Sciencies | 1996-08In this work we analyze the behaviour of the excess Ca II H & K and H emissions in a sample of 73 chromospherically active binary systems (RS CVn and BY Dra classes), of diferent activity levels and luminosity classes. This sample includes the [...]![]()
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We have studied a sample of ten RS CVn systems by means of IUE high resolution long wavelength spectra. A general trend toward decreasing chromospheric activity (R_hk) for slower rotating stars has been found. Considering the R_hk values and the[...]![]()
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Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Rego Fernández, Manuel | EDP Sciencies | 1981Observations of ? Ceti (HD 20630), G5 V, obtained with the IUE satellite have been analysed to determine the structure of its outer atmosphere. This analysis is used to derive a model of transition region and to examine the terms of energy balan[...]![]()
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Reglero, V. ; Fernández Figueroa, María José ; Giménez, A. ; Castro Rubio, Elisa de ; Fabregat, J. ; Cornide Castro-Piñeiro, Manuel ; Armentia, J. E. | EDP Sciences | 1991-06A detailed study of the system V772 Her = HD 165590 = ADS 11060 AB is presented. The three identified components are found to be late type stars close to the zero-age main sequence with high rotational velocities. Spectroscopic observations allo[...]![]()
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Gómez de Castro, Ana Inés ; López-Santiago, Javier ; Sestito, Paola ; Rodrigo Gudiel, Víctor ; López Martínez, Fátima ; Castro Rubio, Elisa de ; Cornide, Manuel ; Yáñez, Javier | Springer | 2011-09The Gould Belt is the local superassociation of star formation. The age of the Belt is some few 10(7) yr, henceforth, its population is dominated by luminous young OB associations and low mass pre-main sequence stars. Attempts to unveil the low [...]![]()
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Montes Gutiérrez, David ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | EDP Sciencies | 1994-05We present measurements of the emission core width W_0 and the wavelength separation of the K_1 dips, W_1, of the Ca II H and K emission lines observed on high-dispersion spectra of 28 chromospherically active binary systems (RS CVn and BY Dra s[...]![]()
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Giménez, A. ; Ballester, J. L. ; Reglero, V. ; Fernández Figueroa, María José ; Castro Rubio, Elisa de | IOP publishing ltd | 1986-07Simultaneous uvby and H? photometry of thee noneclipsing double-lined spectroscopic binary TZ CrB, an active binary system with almost unevolved components, is presented. A small amplitude distortion wave (0.012 mag in y) has been found with max[...]![]()
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Giménez, A. ; Reglero, V. ; Castro Rubio, Elisa de ; Fernández Figueroa, María José | EDP Sciencies | 1991-08New photometric observations, using the uvby and Hß systems of 72 northern-hemisphere active binaries are discussed in order to explain the main characteristics of their spectral light intensity distribution. Values of the parameter ?m_1 range f[...]![]()
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Gómez de Castro, Ana Inés ; López Santiago, Javier ; López Martínez, Fátima ; Sánchez, Néstor ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | Wiley | 2015-06-01The Taurus-Aurigamolecular complex (TMC) is the main laboratory for the study of low-mass star formation. The density and properties of interstellar dust are expected to vary across the TMC. These variations trace important processes such as dus[...]![]()
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Gómez de Castro, Ana Inés ; López Santiago, Javier ; López Martínez, Fátima ; Sánchez, Néstor ; Castro Rubio, Elisa de ; Cornide, Manuel | Oxford Univ Press | 2015-06-01The Taurus-Auriga molecular complex (TMC) is the main laboratory for the study of low-mass star formation. The density and properties of interstellar dust are expected to vary across the TMC. These variations trace important processes such as du[...]![]()
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López Santiago, J. ; Bonito, R. ; Orellana, M. ; Miceli, M. ; Orlando, S. ; Ustamujic, S. ; Albacete Colombo, J. F. ; Castro Rubio, Elisa de ; Gómez de Castro, Ana Inés | American Astronomical Society | 2015-06-10We investigate the plausibility of detecting X-ray emission from a stellar jet that impacts a dense molecular cloud, a scenario that may be typical for classical T Tauri stars with jets in dense star-forming complexes. We first model the impact [...]![]()
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Caballero, J. A. ; López Santiago, Javier ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | IOP publishing ltd | 2009-01We used the Aladin Virtual Observatory tool and High Resolution Imager ROSAT archival data to search for X-ray variability in scale of days in 23 young stars in the ? Orionis cluster and a background galaxy. Five stars displayed unambiguous flar[...]![]()
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Caballero, J. A. ; López Santiago, J. ; Castro Rubio, Elisa de ; Cornide Castro-Piñeiro, Manuel | IOP publishing ltd | 2009-06We used the Aladin Virtual Observatory tool and High Resolution Imager ROSAT archival data to search for X-ray variability in scale of days in 23 young stars in the sigma Orionis cluster and a background galaxy. Five stars displayed unambiguous [...]![]()
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Sánchez Ayaso, E. ; Combi, J. A. ; Bocchino, F. ; Albacete Colombo, J. F. ; López Santiago, J. ; Marti, J. ; Castro Rubio, Elisa de | EDP Sciencies | 2013-04Aims. We aim to study the spatial distribution of the physical and chemical properties of the X-ray emitting plasma of the supernova remnant G272.2-3.2 in order to obtain important constraints on its ionization stage, the progenitor supernova ex[...]