Výsledky vyhledávání - "Sanahuja i Parera, Blai"

Evolución galáctica de los elementos ligeros

Autor: Sanahuja i Parera, Blai

Publikováno v: TDX (Tesis Doctorals en Xarxa)
TDR. Tesis Doctorales en Red
instname
Dipòsit Digital de la UB
Universidad de Barcelona

[spa] Un modelo de evolución galáctica permite representar los cambios que ocurren desde la formación de la galaxia hasta su estado actual, atendiendo fundamentalmente a las características evolutivas de las estrellas que la constituyen y a su ri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::409da47d7b938b4f5e1c383663713514
http://hdl.handle.net/10803/666107

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Comission 49: Interplanetary plasma and heliosphere. TRIENNIAL REPORT 2006 - 2009

Autor: Bougeret, Jean-Louis, Steiger, Rudolf von, Webb, David F., Ananthakrishnan, Subramanian, Cane, Hillary V., Gopalswamy, N., Kahler, Stephen W., Lallement, Rosine, Sanahuja i Parera, Blai, Shibata, Kazunari, Vandas, Marek, Verheest, Frank

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de la UB
Universidad de Barcelona

Commission 49 covers research on the solar wind, shocks and particle acceleration, both transient and steady-state, e.g., corotating, structures within the heliosphere, and the termination shock and boundary of the heliosphere. The present triennal r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d21c2d654d5e4909bb1b16d34dcdddb0
http://hdl.handle.net/2445/59251

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Photometric and Spectroscopic Observations of the Cluster of Galaxies Abell 2390

Autor: Le Borgne, J. F., Mathez, Guy, Mellier, Y. (Yannick), 1958, Pelló i Descayre, Roser, Sanahuja i Parera, Blai, Soucail, G.

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de la UB
Universidad de Barcelona

Spectroscopic and photometric observations in a 6 arcmin x 6 arcmin field centered on the rich cluster of galaxies Abell 2390 are presented. The photometry concerns 700 objects and the spectroscopy 72 objects. The redshift survey shows that the mean

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::83aace437d2c9b01602210cde069e53d
http://hdl.handle.net/2445/9187

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Photometric and spectroscopic survey of the cluster of galaxies Abell A2218

Autor: Le Borgne, J. F., Pelló i Descayre, Roser, Sanahuja i Parera, Blai

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de la UB
Universidad de Barcelona

We present new photometric and spectroscopic observations of objects in the field of the cluster of galaxies Abell 2218. The photometric survey, centered on the cluster core, extends to a field of about 4 x 4 arcmin. It was performed in 5 bands (B,g,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a3f913ce7090a8c29df7524e4504eabf
http://hdl.handle.net/2445/9190

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Analysis of a gradual Solar Energetic Particle event

Autor: Rodríguez Ramos, David

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona

Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Any: 2014, Tutor: Blai Sanahuja
This present paper is concerned about the analysis of a solar energetic particle (SEP) event. Those particles are associated to so

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::67e21f146a104c3d097f0742efc2aef8
http://hdl.handle.net/2445/59953

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Modelling SEP events: latitudinal and longitudinal dependence of the injection rate of shock-accelerated protons and their flux profiles

Autor: Rodríguez Gasén, Rosa

Publikováno v: TDX (Tesis Doctorals en Xarxa)
TDR. Tesis Doctorales en Red
instname
Dipòsit Digital de la UB
Universidad de Barcelona

[eng] Gradual SEP events is one of the greatest hazards in space environment, particularly for the launch and operation of spacecraft and for manned exploration. Predictions of their occurrence and intensity are essential to ensure the proper operati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1400bd2e2a02ff56b2e01cc1b2f2492e
http://hdl.handle.net/10803/31855

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Near-relativistic electron events. Monte Carlo simulations of solar injection and interplanetary transport

Autor: Àgueda Costafreda, Neus

Publikováno v: TDX (Tesis Doctorals en Xarxa)
TDR. Tesis Doctorales en Red
instname
Dipòsit Digital de la UB
Universidad de Barcelona

We have developed a Monte Carlo model to simulate the transport of solar near-relativistic (NR; 30-300 keV) electrons along the interplanetary magnetic field (IMF), including adiabatic focusing, pitch-angle dependent scattering, and solar wind effect

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8178c5f682297eeeeb1bca2ed61bfe51
http://hdl.handle.net/10803/749

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Solar Irradiance Variations Induced by Faculae and Small Magnetic Elements in the Photosphere

Autor: Ortiz Carbonell, Ada Natalia

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
TDX (Tesis Doctorals en Xarxa)
TDR. Tesis Doctorales en Red
instname

The aim of this thesis is the study of the total and spectral solar irradiance variability induced by the presence of small magnetic elements that emerge into the solar photosphere. It is important to study changes in the solar energy output because

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::609c985a04278ef341ed43527f0743f9
http://hdl.handle.net/2445/35249

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Contribución al Estudio de la Dinámica Galáctica: Superposición de Sistemas Estelares

Autor: Alcobé López, Santiago

Publikováno v: TDX (Tesis Doctorals en Xarxa)
TDR. Tesis Doctorales en Red
instname
Dipòsit Digital de la UB
Universidad de Barcelona

Se analizan diversos aspectos del comportamiento cinemático de las poblaciones estelaresen el entorno solar. Para ello se pone a punto un método numérico de superposición desistemas estelares que permite aproximar una muestra global de estrellas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5a908fd8e67a2606d9bad169a4484d5e
http://www.tdx.cat/TDX-0610105-134522

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