Search Results - "Reza, Ramiro de la"

COMPLEX ORGANIC AND INORGANIC COMPOUNDS IN SHELLS OF LITHIUM-RICH K GIANT STARS by Reza, Ramiro de la, Drake, Natalia A., Oliveira, Isa, Rengaswamy, Sridharan

“…ABSTRACT Hydrocarbon organic material, as found in the interstellar medium, exists in complex mixtures of aromatic and aliphatic forms. It is considered to…”
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Discovery of a Luminous Quasar in the Nearby Universe by Torres, Carlos A. O, Quast, Germano R, Coziol, Roger, Jablonski, Francisco, de la Reza, Ramiro, Lépine, J. R. D, Gregório-Hetem, J

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Spin Evolution of Accreting Young Stars. I. Effect of Magnetic Star-Disk Coupling by Matt, Sean P, Pinzón, Giovanni, de la Reza, Ramiro, Greene, Thomas P

“…We present a model for the rotational evolution of a young, solar mass star interacting with an accretion disk. The model incorporates a description of the…”
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A modified CoRoT detrend algorithm and the discovery of a new planetary companion by Boufleur, Rodrigo C., Emilio, Marcelo, Janot-Pacheco, Eduardo, Andrade, Laerte, Ferraz-Mello, Sylvio, do Nascimento Jr, José-Dias, de La Reza, Ramiro

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A modified CoRoT detrend algorithm and the discovery of a new planetary companion by Boufleur, Rodrigo C, Emilio, Marcelo, Janot-Pacheco, Eduardo, Andrade, Laerte, Ferraz-Mello, Sylvio, Júnior, José-Dias do Nascimento, de La Reza, J. Ramiro

“…We present MCDA, a modification of the CoRoT detrend algorithm (CDA) suitable to detrend chromatic light curves. By means of robust statistics and better…”
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A Two Micron All Sky Survey Analysis of the Stability of Southern Bok Globules by Racca, Germán A, Vilas-Boas, José W. S, de la Reza, Ramiro

“…We used near-infrared Two Micron All Sky Survey data to construct visual extinction maps of a sample of Southern Bok globules utilizing the NICE method. We…”
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The bi-modal $^7$Li distribution of the Milky Way's thin-disk dwarf stars: The role of Galactic-scale events and stellar evolution by Roca-Fàbrega, Santi, de Andrés, Félix Llorente, Chavero, Carolina, Cifuentes, Carlos, de la Reza, Ramiro

“…A&A 656, A64 (2021) The lithium abundance, A(Li), in stellar atmospheres suffers from various enhancement and depletion processes during the star's lifetime…”
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Lithium abundances in strong lithium K giant stars: LTE and non-LTE analyses by de La Reza, Ramiro, da Silva, Licio

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On [TSUP]7[/TSUP]L[CLC]i[/CLC] Enrichment by Low-Mass Metal-Poor Red Giant Branch Stars by de la Reza, Ramiro, da Silva, Licio, Drake, Natalia A., Terra, Marco A.

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Can Li-rich giants eject shells? Assembling the lithium puzzle in K giants by de la Reza, Ramiro, Drake, Natalia A

“…The existence of K giant stars with high Li abundance continues to challenge the standard theory of stellar evolution. All recent extensive surveys in the…”
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Complex Organic and Inorganic Compounds in Shells of Lithium-rich K Giant Stars by de la Reza, Ramiro, Drake, Natalia A, Oliveira, Isa, Rengaswamy, Sridharan

“…Hydrocarbon organic material, as found in the interstellar medium, exists in complex mixtures of aromatic and aliphatic forms. It is considered to be…”
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On 7Li Enrichment by Low-Mass Metal-Poor Red Giant Branch Stars by de la Reza, Ramiro, da Silva, Licio, Drake, Natalia A, Terra, Marco A

“…First-ascent red giants with strong and very strong Li lines have just been discovered in globular clusters. Using the stellar internal prompt (7)Li…”
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Spin Evolution of Accreting Young Stars. I. Effect of Magnetic Star-Disk Coupling by Matt, Sean P, Pinzon, Giovanni, de la Reza, Ramiro, Greene, Thomas P

“…Matt et al. 2010, ApJ, 714, 989 We present a model for the rotational evolution of a young, solar mass star interacting with an accretion disk. The model…”
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Sulfur Abundances in the Orion Association B Stars by Daflon, Simone, Cunha, Katia, de la Reza, Ramiro, Holtzman, Jon, Chiappini, Cristina

“…Sulfur abundances are derived for a sample of ten B main-sequence star members of the Orion association. The analysis is based on LTE plane-parallel model…”
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On the Rotation of Post-T Tauri Stars in Associations by de la Reza, Ramiro, Pinzon, Giovanni

“…Nearby associations are excellent objects for the study of the initial spin up phase during the PMS evolution. An empirical approach is adopted here to infer…”
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A 2MASS Analysis of the Stability of Southern Bok Globules by Racca, Germán A, Vilas-Boas, José W. S, de la Reza, Ramiro

“…Astrophys.J.703:1444-1463,2009 We used near-infrared 2MASS data to construct visual extinction maps of a sample of Southern Bok globules utilizing the NICE…”
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The Metallicity of Post-T Tauri Stars: A preliminary approach to the understanding of the metal enrichment of stars harboring planets by de la Reza, Ramiro, da Silva, Licio, Almeida, Roberta, Oliveira, Isa, Torres, Carlos Alberto O, Quast, Germano R

“…The metallicity of young low mass Post-T Tauri stars in coeval associations is practically unknown. This work is the beginning of a systematic measurement of…”
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Rapidly-rotating lithium-rich K giants: The new case of the giant PDS365 by Drake, Natalia A, de la Reza, Ramiro, da Silva, Licio, Lambert, David L

“…PDS365 is a newly detected rapidly rotating (vsin i = 20 km/s) single low mass giant star which with HD233517 and HD219025 forms a remarkable ensemble of…”
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SACY - a Search for Associations Containing Young stars by Torres, Carlos A. O, Quast, Germano R, de la Reza, Ramiro, da Silva, Licio, Melo, Claudio H. F, Sterzik, Michael

“…The scientific goal of the SACY (Search for Associations Containing Young-stars) was to identify possible associations of stars younger than the Pleiades…”
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A Method to Search for Associations of Young Stars by Quast, Germano R, Torres, Carlos A. O, Melo, Claudio H. F, Sterzik, Michael, de la Reza, Ramiro, da Silva, Licio

“…In the SACY (Search for Associations Containing Young-stars) project we try to identify associations of stars younger than the Local Association among…”
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