Navegação Ciências Exatas e da Terra por Autor "Rembold, Sandro Barboza"

Resultados 1-20 de 23

    • Active galactic nuclei signatures in Red Geyser galaxies from Gemini GMOS-IFU observations 

      Ilha, Gabriele da Silva; Riffel, Rogemar André; Ricci, Tiago Vecchi; Rembold, Sandro Barboza; Storchi-Bergmann, Thaisa; Riffel, Rogério; Roy, Namrata; Bundy, Kevin; Nemmen, Rodrigo S.; Schimoia, Jáderson da Silva; Costa, Luiz N. da (2022) [Artigo de periódico]
      Red Geysers are quiescent galaxies with galactic scale ionized outflows, likely due to low-luminosity active galactic nuclei (AGN). We used Gemini GMOS-IFU observations of the inner~1–3 kpc of nine Red Geysers selected ...

    • Determining star formation rates in active galactic nuclei hosts via stellar population synthesis 

      Riffel, Rogério; Mallmann, Nícolas Dullius; Ilha, Gabriele da Silva; Storchi-Bergmann, Thaisa; Riffel, Rogemar André; Rembold, Sandro Barboza; Bizyaev, D.; Nascimento, Janaina Correa do; Schimoia, Jáderson da Silva; Costa, Luiz N. da; Boardman, Nicholas Fraser; Boquien, Médéric; Couto, Guilherme dos Santos (2021) [Artigo de periódico]
      The effect of active galactic nuclei (AGNs) feedback on the host galaxy, and its role in quenching or enhancing star formation, is still uncertain due to the fact that usual star formation rate (SFR) indicators – emission-line ...

    • Field galaxies at intermediate redshift (0.2 < z < 0.8) in the direction of the galaxy cluster LCDCS-S001 

      Krabbe, Angela Cristina; Rembold, Sandro Barboza; Pastoriza, Miriani Griselda (2007) [Artigo de periódico]
      We present a spectroscopic and photometric analysis for eight field galaxies in the direction of the galaxy cluster LCDCS-S001. The spectra were obtained with the GMOS instrument at the Gemini South Observatory. The objects ...

    • Gas-phase metallicity determinations in nearby AGNs with SDSS-IV MaNGA : evidence of metal-poor accretion 

      Nascimento, Janaina Correa do; Dors Júnior, Oli Luiz; Storchi-Bergmann, Thaisa; Mallmann, Nícolas Dullius; Riffel, Rogério; Ilha, Gabriele da Silva; Riffel, Rogemar André; Rembold, Sandro Barboza; Machado, Alice Deconto; Costa, Luiz N. da; Armah, Mark (2022) [Artigo de periódico]
      We derive the metallicity (traced by the O/H abundance) of the narrow-line region (NLR) of 108 Seyfert galaxies as well as radial metallicity gradients along their galaxy discs and of these of a matched control sample of ...

    • Intrinsic colors of stars in the near-infrared 

      Ducati, Jorge Ricardo; Bevilacqua, Claudio Miguel; Rembold, Sandro Barboza; Ribeiro, Daiana (2001) [Artigo de periódico]
      Intrinsic infrared colors of stars in the Johnson 11 color system are derived. The database is a list of 3946 stars with observations in UBV RIJHKLMN, of all spectral types and luminosity classes, including carbon, T Tauri, ...

    • Ionised gas kinematics in MaNGA AGNIonised gas kinematics in MaNGA AGN : extents of the narrow-line and kinematically disturbed regions 

      Machado, Alice Deconto; Riffel, Rogemar André; Ilha, Gabriele da Silva; Rembold, Sandro Barboza; Storchi-Bergmann, Thaisa; Riffel, Rogério; Schimoia, Jáderson da Silva; Schneider, D.P.; Bizyaev, D.; Feng, Shuai; Wylezalek, Dominika; Costa, Luiz N. da; Nascimento, Janaina Correa do; Maia, Marcio Antonio Geimba (2022) [Artigo de periódico]
      Context. Feedback from active galactic nuclei (AGNs) in general seems to play an important role in the evolution of galaxies, although the impact of AGN winds on their host galaxies is still unknown in the absence of a ...

    • Mapping the stellar population and gas excitation of MaNGA galaxies with MEGACUBES : results for AGN versus control sample 

      Riffel, Rogério; Mallmann, Nícolas Dullius; Rembold, Sandro Barboza; Ilha, Gabriele da Silva; Riffel, Rogemar André; Storchi-Bergmann, Thaisa; Dutra, Daniel Ruschel; Vazdekis, Alexandre; Martín-Navarro, Ignacio; Schimoia, Jáderson da Silva; Almeida, Cristina Ramos; Costa, Luiz N. da; Verde, Glauber Costa Vila; Gatto, Lara Maria (2023) [Artigo de periódico]
      We present spaxel-by-spaxel stellar population fits for the ∼10 000 MaNGA data cubes. We provide multiple extension fits files, nominated as MEGACUBES, with maps of several properties as well as emission-line profiles that ...

    • A method for simultaneous determination of A/sub v/ and R and applications 

      Ducati, Jorge Ricardo; Ribeiro, Daiana; Rembold, Sandro Barboza (2003) [Artigo de periódico]
      A method for the simultaneous determination of the interstellar extinction (AV) and of the ratio of total to selective extinction (R), derived from the 1989 Cardelli, Clayton, & Mathis fitting of the interstellar extinction ...

    • Morphology of AGN emission-line regions in SDSS-IV MaNGA survey 

      He, Zhicheng; Sun, Ai-Lei; Zakamska, Nadia L.; Wylezalek, Dominika; Kelly, Michael; Greene, Jenny E.; Rembold, Sandro Barboza; Riffel, Rogério; Riffel, Rogemar André (2018) [Artigo de periódico]
      Extended narrow-line regions (NLRs) around active galactic nuclei (AGN) are shaped by the distribution of gas in the host galaxy and by the geometry of the circumnuclear obscuration, and thus they can be used to test the ...

    • Near-infrared surface photometry of early-type galaxies 

      Rembold, Sandro Barboza; Pastoriza, Miriani Griselda; Ducati, Jorge Ricardo; Rubio, Monica; Roth, Miguel (2002) [Artigo de periódico]
      CCD infrared (JHKs) photometry was performed on a sample of 10 elliptical and 2 lenticular galaxies. Isophotal parameters, brightness profiles, integrated colors and color gradients arepresented. Color gradients found arevery ...

    • Optical substructure and BCG offsets of Sunyaev–Zel’dovich and X-ray-selected galaxy clusters 

      Lopes, Paulo Afrânio Augusto; Trevisan, Marina; Laganá, Tatiana Ferraz; Durret, Florence; Ribeiro, Andre Luis Batista; Rembold, Sandro Barboza (2018) [Artigo de periódico]
      We used optical imaging and spectroscopic data to derive substructure estimates for local Universe (z < 0.11) galaxy clusters from two different samples. The first was selected through the Sunyaev–Zel’dovich (SZ) effect ...

    • Precessing winds from the nucleus of the prototype Red Geyser? 

      Riffel, Rogemar André; Nemmen, Rodrigo S.; Ilha, Gabriele da Silva; Rembold, Sandro Barboza; Roy, Namrata; Storchi-Bergmann, Thaisa; Riffel, Rogério; Bundy, Kevin; Machado, Alice Deconto; Mallmann, Nícolas Dullius; Schimoia, Jáderson da Silva; Costa, Luiz N. da; Maia, Marcio Antonio Geimba (2019) [Artigo de periódico]
      Supermassive black holes (SMBHs) are present at the centre of most galaxies, with the related mass accretion processes giving origin to outflows in active galactic nuclei (AGNs). It has been presumed that only intense winds ...

    • SDSS-IV MaNGA : inside-out versus outside-in quenching of galaxies in different local environments 

      Lin, Lihwai; Hsieh, Bauching; Pan, Hsi An; Rembold, Sandro Barboza; Sánchez, Sebastián F.; Argudo-Fernández, Maria; Rowlands, Kate; Belfiore, Francesco; Bizyaev, D.; Lacerna, Ivan; Riffel, Rogério; Rong, Yu; Yuan, Fang; Drory, Niv; Maiolino, Roberto; Wilcots, Eric (2019) [Artigo de periódico]
      The large Integral Field Spectroscopy surveys have allowed the classification of ionizing sources of emission lines on sub-kiloparsec scales. In this work, we define two non-parametric parameters, quiescence (Fq) and its ...

    • Sloan Digital Sky Survey IV : mapping the Milky Way, nearby galaxies, and the distant universe 

      Blanton, M.R.; Bershady, Matthew A.; Abolfathi, Bela; Albareti, Franco D.; Allende Prieto, Carlos; Almeida, Andres; Alonso Garcia, Javier; Anders, Friedrich; Anderson, Scott F.; Andrews, Brett H.; Aquino-Ortíz, Erik; Aragón-Salamanca, Alfonso; Argudo-Fernández, Maria; Armengaud, Eric; Aubourg, Éric; Avila-Reese, Vladimir; Badenes, Carles; Bailey, Stephen; Barger, Kathleen A.; Barrera-Ballesteros, Jorge; Bartosz, Curtis; Bates, Dominic; Baumgarten, Falk; Bautista, Julian; Beaton, Rachael Lynn; Beers, T.C.; Belfiore, Francesco; Bender, Chad Frederick; Berlind, Andreas A.; Bernardi, Mariangela; Beutler, Florian; Bird, Jonathan C.; Bizyaev, D.; Blanc, Guillermo A.; Blomqvist, Michael C.; Bolton, Adam S.; Boquien, Médéric; Borissova, Jura; Bosch, Remco van den; Bovy, Jo; Brandt, W.N.; Brinkmann, Jon; Brownstein, Joel R.; Bundy, Kevin; Burgasser, Adam J.; Burtin, Etienne; Busca, Nicolas G.; Cappellari, Michele; Carigi, Leticia; Carlberg, J.K.; Carnero Rosell, Aurelio; Carrera, Ricardo; Chanover, Nancy J.; Cherinka, Brian; Cheung, Edmond; Chew, Yilen Gómez Maqueo; Chiappini, C.C.M.; Choi, Peter Doohyun; Chojnowski, Stephen Drew; Chuang, Chia-Hsun; Chung, Haeun; Cirolini, Rafael Fernando; Clerc, Nicolas; Cohen, Roger; Comparat, Johan; Costa, Luiz N. da; Cousinou, Marie-Claude; Covey, Kevin; Crane, Jeffrey D.; Croft, Rupert A.C.; Cruz-Gonzalez, Irene; Cuadra, Daniel Garrido; Cunha, Katia; Damke, Guillermo J.; Darling, Jeremy; Davies, Roger L.; Dawson, K.S.; Macorra, Axel de la; Dell'Agli, Flavia; De Lee, Nathan M.; Delubac, Timothée; Di Mille, Francesco; Diamond-Stanic, Aleksandar M.; Cano-Díaz, Mariana; Donor, John; Downes Wallace, Juan Jose; Drory, Niv; Du Mas Des Bourboux, Hélion; Duckworth, Christopher; Dwelly, Tom; Dyer, Jamie Christine; Ebelke, Garrett L.; Eigenbrot, Arthur D.; Eisenstein, Daniel, J.; Emsellem, Eric; Eracleous, Michael; Escoffier, Stephanie; Evans, Michael L.; Fan, Xiaohui; Fernández Alvar, Emma; Fernández-Trincado, José Gregorio; Feuillet, Diane; Finoguenov, Alexis; Fleming, S.W.; Font-Ribera, A.; Fredrickson, Alexander; Freischlad, Gordon; Frinchaboy, P.M.; Fuentes, Carla E.; Galbany, Lluís; Dias, Rafael Augusto Garcia; García-Hernández, D. A.; Gaulme, Patrick; Geisler, Doug; Gelfand, Joseph D.; Gil-Marín, Héctor; Gillespie, Bruce A.; Goddard, Daniel; Gonzalez-Perez, Violeta; Grabowski, Kathleen; Green, Paul J.; Grier, Catherine J.; Gunn, James E.; Guo, Hong; Guy, Julien; Hagen, Alex; Hahn, ChangHoon; Hall, Matthew; Harding, Paul; Hasselquist, Sten; Hawley, Suzanne L.; Hearty, Frederick R.; González Hernández, Jonay I.; Ho, Shirley; Hogg, D.W.; Holley-Bockelmann, Kelly; Holtzman, J.A.; Holzer, Parker H.; Huehnerhoff, Joseph; Hutchinson, Timothy A.; Hwang, Ho Seong; Ibarra Medel, Hector Javier; Ilha, Gabriele da Silva; Ivans, Inese I.; Ivory, KeShawn; Jackson, Kelly M.; Jensen, Trey W.; Johnson, Jennifer A.; Jones, Amy P.; Jönsson, Henrik; Jullo, Eric; Kamble, Vikrant Anand; Kinemuchi, Karen; Kirkby, David; Kitaura, Francisco-Shu; Klaene, Mark A.; Knapp, G. R.; Kneib, J.P.; Kollmeier, Juna A.; Lacerna, Ivan; Lane, Richard R.; Lang, Dustin; Law, David R.; Lazarz, Daniel; Lee, Youngbae; Le Goff, Jean-Marc; Liang, Fu-Heng; Li, Cheng; Li, Hongyu; Lian, Jianhui; Lima, Marcos Vinicius Borges Teixeira; Lin, Lihwai; Lin, Y.-T.; Lis, Sara Bertran de; Lizaola, Miguel Angel C. de Icaza; Long, Daniel C.; Lucatello, Sara; Lundgren, B.; Macdonald, Nicholas; Machado, Alice Deconto; MacLeod, Chelsea L.; Mahadevan, Suvrath; Maia, Marcio Antonio Geimba; Maiolino, Roberto; Majewski, Steven Raymond; Malanushenko, E.; Malanushenko, V.; Manchado, Arturo; Mao, Shude; Maraston, Claudia; Marques-Chaves, Rui; Masseron, Thomas; Masters, K.L.; McBride, Cameron K.; McDermid, Richard; McGrath, Brianne; McGreer, Ian D.; Medina Peña, Nicolás; Melendez, Matthew; Merloni, Andrea; Merrifield, Michael; Mészáros, S.; Meza, Andres; Minchev, Ivan; Minniti, Dante; Miyaji, Takamitsu; More, Surhud Shrikant; Mulchaey, John Scott; Muller-Sanchez, Francisco; Muna, Demitri; Mũñoz, Ricardo R.; Myers, A.D.; Nair, Preethi B.; Nandra, Kirpal; Nascimento, Janaina Correa do; Negrete, Alenka; Ness, Melissa; Newman, Jeffrey A.; Nichol, Robert C.; Nidever, D.L.; Nitschelm, Christian; Ntelis, Pierros; O'Connell, Julia E.; Oelkers, Ryan J.; Oravetz, Audrey; Oravetz, Daniel J.; Pace, Zach; Padilla, Nelson; Palanque-Delabrouille, Nathalie; Alonso Palicio, Pedro; Pan, K.; Parejko, J.K.; Parikh, Taniya; Pâris, Isabelle; Park, Changbom; Patten, Alim Y.; Peirani, Sébastien; Pellejero-Ibanez, Marcos; Penny, Samantha J.; Percival, Will J.; Pérez-Fournon, Ismael; Petitjean, P.; Pieri, Matthew M.; Pinsonneault, Marc H.; Pisani, Alice; Poleski, Radosław; Prada, Francisco; Prakash, Abhishek; Queiroz, Anna Bárbara de Andrade; Raddick, M. Jordan; Raichoor, Anand; Rembold, Sandro Barboza; Richstein, Hannah; Riffel, Rogemar André; Riffel, Rogério; Rix, H.-W.; Robin, Annie C.; Rockosi, C.M.; Rodríguez-Torres, Sergio; Roman-Lopes, Alexandre; Román-Zñiga, Carlos Gerardo; Rosado, Margarita; Ross, Ashley Jacob; Rossi, Graziano; Ruan, John J.; Ruggeri, Rossana; Rykoff, Eli; Salazar-Albornoz, Salvador; Salvato, Mara; Sánchez, Ariel G.; Sánchez Aguado, David; Sánchez-Gallego, José Ramón; Santana, Felipe A.; Santiago, Basilio Xavier; Sayres, Conor; Schiavon, Ricardo P.; Schimoia, Jáderson da Silva; Schlafly, Edward F.; Schlegel, David J.; Schneider, D.P.; Schultheis, Mathias; Schuster, William J.; Schwope, Axel D.; Seo, Hee-Jong; Shao, Zhengyi; Shen, Shiyin; Shetrone, M.; Shull, John Michael; Simon, Josh D.; Skinner, Danielle; Skrutskie, M.F.; Slosar, A.; Smith, Verne V.; Sobeck, Jennifer S.; Sobreira, Flávia; Somers, Garrett; Souto, Diogo Martins; Stark, David V.; Stassun, Keivan G.; Stauffer, Fritz; Steinmetz, M.; Storchi-Bergmann, Thaisa; Streblyanska, Alina; Stringfellow, Guy S.; Suárez, Genaro; Sun, Jing; Suzuki, Nao; Szigeti, Laszlo; Taghizadeh-Popp, Manuchehr; Tang, Baitian; Tao, Charling; Tayar, Jamie; Tembe, Mita; Teske, Johanna K.; Thakar, Aniruddha R.; Thomas, D.; Thompson, Benjamin A.; Tinker, Jeremy; Tissera, Patricia Beatriz; Tojeiro, R.; Hernandez-Toledo, Hector M.; Torre, Sylvain De La; Tremonti, Christy A.; Troup, Nicholas W.; Valenzuela, Octavio; Valpuesta, Inma Martinez; Vargas-González, Jaime; Vargas Magaña, Mariana; Vazquez, Jose Alberto; Villanova , Sandro; Vivek, M.; Vogt, N.P.; Wake, D.A.; Walterbos, Rene A. M.; Wang, Yuting; Weaver, Benjamin A.; Weijmans, Anne Marie; Weinberg, D.H.; Westfall, Kyle B.; Whelan, David G.; Wild, Vivienne; Wilson, John C.; Wood-Vasey, W.M.; Wylezalek, Dominika; Xiao, Ting; Yan, Renbin; Yang, Meng; Ybarra, Jason E.; Yèche, Christophe; Zakamska, Nadia L.; Zamora, Olga; Zarrouk, Pauline; Zasowski, G.; Zhang, Kai; Zhao, Gong-Bo; Zheng, Zheng; Zhou, Xu; Zhou, Zhimin; Zhu, Guangtun; Zoccali, Manuela; Zou, Hu (2017) [Artigo de periódico]
      We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing hundreds of thousands ...

    • Stellar population properties of ETGs in compact groups of galaxies 

      Moura, Tatiana; Carvalho, Reinaldo Ramos de; Rembold, Sandro Barboza; Trevisan, Marina; Ribeiro, Andre Luis Batista; Pérez Villegas, Maria de Los Angeles; La Barbera, Francesco; Stalder Díaz, Diego Herbin; Rosa, Reinaldo Roberto (2020) [Artigo de periódico]
      We present results on the study of the stellar population in early-type galaxies (ETGs) belonging to 151 compact groups (CGs). We also selected a field sample composed of 846 ETGs to investigate environmental effects on ...

    • The cluster of galaxies LCDCS-S001 : basic spectroscopic data and stellar population 

      Rembold, Sandro Barboza; Pastoriza, Miriani Griselda (2007) [Artigo de periódico]
      We present kinematic parameters and stellar population properties of selected galaxies in the high-redshift (z=0.7) galaxy cluster LCDCS-S001, determined by spectroscopic data obtained with the Gemini multi-object spectrograph ...

    • The cluster of galaxies LCDCS-S001 – II. r' and i' photometry, morphological analysis and improved kinematic parameters 

      Rembold, Sandro Barboza; Pastoriza, Miriani Griselda (2012) [Artigo de periódico]
      We present photometric parameters of the galaxies in the direction of the galaxy cluster LCDCS-S001 and improved kinematic parameters from newspectroscopic observations. From GMOS multi-object spectroscopy, we have been ...

    • The elliptical galaxy NGC 720 : an unequal-mass galaxy merger remnant 

      Rembold, Sandro Barboza; Pastoriza, Miriani Griselda; Bruzual A., G. (2005) [Artigo de periódico]
      The stellar population of the central region of the galaxy NGC 720 has been investigated through longslit optical spectroscopy. The velocity dispersion and 13 Lick indices were obtained as a function of the radius along ...

    • The first 62 AGN observed with SDSS-IV MaNGA – III : stellar and gas kinematics 

      Ilha, Gabriele da Silva; Riffel, Rogemar André; Schimoia, Jáderson da Silva; Storchi-Bergmann, Thaisa; Rembold, Sandro Barboza; Riffel, Rogério; Wylezalek, Dominika; Shi, Yong; Costa, Luiz N. da; Machado, Alice Deconto; Law, David R.; Bizyaev, D.; Mallmann, Nícolas Dullius; Nascimento, Janaina Correa do; Maia, Marcio Antonio Geimba; Cirolini, Rafael Fernando (2019) [Artigo de periódico]
      We investigate the effects of active galactic nuclei (AGN) on the gas kinematics of their host galaxies, using MaNGA data for a sample of 62 AGN hosts and 109 control galaxies (inactive galaxies). We compare orientation ...

    • The first 62 AGN observed with SDSS-IV MaNGA : II. resolved stellar populations 

      Mallmann, Nícolas Dullius; Riffel, Rogério; Storchi-Bergmann, Thaisa; Rembold, Sandro Barboza; Riffel, Rogemar André; Schimoia, Jáderson da Silva; Costa, Luiz N. da; Avila-Reese, Vladimir; Sánchez, Sebastián F.; Machado, Alice Deconto; Cirolini, Rafael Fernando; Ilha, Gabriele da Silva; Nascimento, Janaina Correa do (2018) [Artigo de periódico]
      We present spatially resolved stellar population (SP) age maps, average radial profiles and gradients for the first 62 active galactic nuclei (AGN) observed with Sloan Digital Sky Survey (SDSS)-IV Mapping Nearby Galaxies ...