Browsing Exact and Earth Sciences by Subject "Galaxies: photometry"

Now showing items 1-20 of 26

    • Deep surface photometry of edge-on spirals in Abell galaxy clusters constraining environmental effects 

      Santiago, Basilio Xavier; Vale, Tibério Borges (2008) [Journal article]
      Context. There is a clear scarcity of structural parameters for stellar thick discs, especially for spiral galaxies located in high-density regions, such as galaxy clusters and compact groups. Aims. We have modelled the ...

    • Dust extinction of the stellar continua in Starburst galaxies : the ultraviolet and optical extinction law 

      Calzetti, Daniela; Kinney, Anne Louise; Storchi-Bergmann, Thaisa (1994) [Journal article]
      We analyze the IUE UV and the optical spectra of 39 starburst and blue compact galaxies in order to study the average properties of dust extinction in extended regions of galaxies. The optical spectra have been obtained ...

    • FSR 1716 : a new Milky Way globular cluster confirmed using VVV RR Lyrae stars 

      Minniti, Dante; Palma, Tali; Dékány, István; Hempel, Maren; Rejkuba, Marina; Pullen, Joyce; Alonso Garcia, Javier; Barbá, Rodolfo H.; Barbuy, Beatriz; Bica, Eduardo Luiz Damiani; Bonatto, Charles Jose; Borissova, Jura; Catelan, Márcio; Carballo-Bello, Julio A.; Chené, André-Nicolas; Claria Olmedo, Juan Jose; Cohen, Roger; Contreras Ramos, Rodrigo; Dias, Bruno Moreira de Souza; Emerson, Jim P.; Froebrich, Dirk; Buckner, Anne S. M.; Geisler, Doug; Gonzalez, Oscar A.; Gran, Felipe; Hajdu, Gergely; Irwin, Michael John; Ivanov, Valentin D.; Kurtev, Radostin Georgiev; Lucas, Philip W.; Majaess, Daniel J.; Mauro, Francesco; Moni Bidin, Christian; Navarrete, Camila; Ramírez Alegría, Sebastián; Saito, Roberto K.; Valenti, Elena; Zoccali, Manuela (2017) [Journal article]
      We use deep multi-epoch near-IR images of the VISTA Variables in the Vía Láctea (VVV) Survey to search for RR Lyrae stars toward the Southern Galactic plane. Here, we report the discovery of a group of RR Lyrae stars close ...

    • Integrated UBV photometry of 624 star clusters and associations in the Large Magellanic Cloud 

      Bica, Eduardo Luiz Damiani; Claria Olmedo, Juan Jose; Dottori, Horacio Alberto; Santos Junior, Joao Francisco Coelho dos; Piatti, Andres E. (1996) [Journal article]
      We present a catalogof integrated UBV photometry of 504 star clusters and 120 stellar associations in the LMC, part ofthem still embedded in emitting gas. We study age groups in terms of equivalent SWB types derived from ...

    • Is diffuse intracluster light a good tracer of the galaxy cluster matter distribution? 

      Santos, Hillysson Bruno Sampaio dos; Santiago, Basilio Xavier; DES Collaboration (2021) [Journal article]
      We explore the relation between diffuse intracluster light (central galaxy included) and the galaxy cluster (baryonic and dark) matter distribution using a sample of 528 clusters at 0.2 ≤ z ≤ 0.35 found in the Dark Energy ...

    • J-PLUS : on the identification of new cluster members in the double galaxy cluster A2589 and A2593 using PDFs 

      Molino, Alberto; Chies-Santos, Ana Leonor; Dupke, Renato de Alencar (2019) [Journal article]
      Aims. We aim to use multiband imaging from the Phase-3 Verification Data of the J-PLUS survey to derive accurate photometric redshifts (photo-z) and look for potential new members in the surroundings of the nearby galaxy ...

    • J-PLUS : two-dimensional analysis of the stellar population in NGC 5473 and NGC 5485 

      San Roman, Izaskun; Chies-Santos, Ana Leonor; Sodre Junior, Laerte (2019) [Journal article]
      Context. The spatial variations of stellar population properties within a galaxy are intimately related to their formation process. Therefore, spatially resolved studies of galaxies are essential to uncover their formation ...

    • Low signal-to-noise spectroscopy and surface photometry of two faint galaxies in the field of NGC 7479 

      Saraiva, Maria de Fátima Oliveira; Benedict, George Fritz (2003) [Journal article]
      We present low signal-to-noise spectroscopy and surface photometry of two small galaxies, detected in the field of the nearby asymmetric barred spiral NGC 7479, near a prolongation of the western arm that forms a faint ...

    • Multicolor photometry of ten Seyfert 1 galaxies 

      Boris, Natalia V.; Donzelli, Carlos J.; Pastoriza, Miriani Griselda; Rodriguez-Ardila, Alberto; Ferreiro, Diego L. (2002) [Journal article]
      We present new valuable BVI photometry of ten Seyfert 1 galaxies and narrow band Hα images for six of these objects. The results indicate that the distribution of the luminosity of the sample has an amplitude of almost 4 ...

    • Near-infrared study of new embedded clusters in the Carina complex 

      Oliveira, Raphael Augusto Pereira de; Bica, Eduardo Luiz Damiani; Bonatto, Charles Jose (2018) [Journal article]
      We analyse the nature of a sample of stellar overdensities that we found projected on the Carina complex. This study is based on the Two Micron All Sky Survey photometry and involves the photometry decontamination of field ...

    • Near-infrared surface photometry of early-type galaxies 

      Rembold, Sandro Barboza; Pastoriza, Miriani Griselda; Ducati, Jorge Ricardo; Rubio, Monica; Roth, Miguel (2002) [Journal article]
      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 ...

    • Photographic photometry and the optical spectrum of the Seyfert galaxy IC 4329 A 

      Pastoriza, Miriani Griselda (1979) [Journal article]
      Spectrophotometric and photographic observations of IC 4329 A show that this Seyfert galaxy has reduced dimensions D x d = (13.6 x 7.6) kpc anda high luminosity Mph = -20.2. The nucleus is stratified in three zones: first, ...

    • Photometry and dynamics of the minor mergers AM 1228-260 and AM 2058-381 

      Hernández Jiménez, José Andrés; Pastoriza, Miriani Griselda; Bonatto, Charles Jose; Rodrigues, Irapuan; Krabbe, Angela Cristina; Winge, Claudia (2015) [Journal article]
      We investigate interaction effects on the dynamics and morphology of the galaxy pairs AM 2058-381 and AM 1228-260. This work is based on r images and long-slit spectra obtained with the Gemini Multi-Object Spectrograph at ...

    • Sample of minor merger of galaxies : II. Modelling HII region properties 

      Ferreiro, Diego L.; Pastoriza, Miriani Griselda; Rickes, Mauro Cristian Garcia (2008) [Journal article]
      Context. Studies of interacting galaxies have shown that dwarf galaxies may be produced in tidal tails during collisions. Numerical simulations suggest that the total detachment of the tidal dwarf requires the companion’s ...

    • Sample of minor merger of galaxies : optical CCD surface photometry and HII region properties 

      Ferreiro, Diego L.; Pastoriza, Miriani Griselda (2004) [Journal article]
      We present the results of the B, V and I photometry of eleven southern minor mergers. The total apparent B magnitude, integrated B − V and V − I colours were measured. We built B, V, and I equivalent profiles for each ...

    • Separating c-Stars from dust in the central region of the Seyfert 2 galaxy NGC 1241 

      Dottori, Horacio Alberto; Díaz, Rubén Joaquín; Carranza, Gustavo Jose; Lipari, Sebastian; Santos Junior, Joao Francisco Coelho dos (2005) [Journal article]
      The Seyfert 2 galaxy NGC 1241 presents a 1.5 kpc large circumnuclear ring (CNR) of star formation embracing a small bar plus leading arms. Those structures are Paα emitters but barely seen in Haα. It also presents stellar ...

    • Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. VIII. An intensive HST, IUE, and ground-based study of NGC 5548 

      Korista, Kirk T.; Alloin, Danielle Marie; Barr, P.; Clavel, J.; Cohen, R.D.; Crenshaw, Daniel Michael; Evans, I.N.; Horne, Keith; Koratkar, A.P.; Kriss, Gerard A.; Krolik, J.H.; Malkan, M.A.; Morris, S.L.; Netzer, Hagai; O'Brien, P.T.; Peterson, Bradley M.; Reichert, G.A.; Rodriguez-Pascual, P.M.; Wamsteker, W.; Anderson, K.S.J.; Axon, David J.; Benitez, E.; Berlind, P.; Bertram, R.; Blackwell, J.H., Jr.; Bochkarev, N.G.; Boisson, Catherine; Carini, M.; Carrillo, R.; Carone, T.E.; Cheng, F.Z.; Christensem, J.A.; Chuvaev, K.K.; Dietrich, Matthias; Dokter, J.J.; Doroshenko, V.; Hayan, D. Dultzin; England, M.N.; Espey, B.R.; Filippenko, Alexei V.; Gaskell, C.M.; Goad, M.R.; Ho, Luis C.; Huchra, John P.; Jiang, Xiaojun; Kaspi, Shai; Kollatschny, W.; Laor, A.; Luminet, J.P.; Macalpine, G.M.; Mackenty, J.W.; Malkov, Yu. F.; Maoz, D.; Martin, P.G.; Matheson, T.; Mccollum, B.; Merkulova, N.; Metik, L.; Mignoli, M.; Miller, Hugh Richard; Pastoriza, Miriani Griselda; Pelat, D.; Penfold, J.; Perez, Marth; Perola, G.C.; Persaud, J.L.; Peters, J.; Pitts, R.; Pogge, Richard William; Pronik, V.I.; Ptak, R.L.; Rawley, L.; Recondo-Gonzalez, M.C.; Rodríguez Espinosa, Jose Miguel; Romanishin, W.; Sadun, A.C.; Salamanca, I.; Santos-Lleo, M.; Sekiguchi, Kazuhiro; Sergeev, S.G.; Shapovalova, A.I.; Shields, J.C.; Sharder, C.; Shull, John Michael; Silbermann, N.A.; Sitko, M.L.; Skillman, D.R.; Smith, H.A.; Smith, S.M.; Snijders, M.A.J.; Sparke, L.S.; Stirpe, Giovanna M.; Stoner, R.E.; Sun, W.-H.; Thiele, U.; Tokarz, S.; Tsvetanov, Z.I.; Turnshek, D.A.; Veilleux, Sylvain; Wagner, R.M.; Wagner, S.J.; Wanders, I.; Wang, T.; Welsh, W.F.; Weymann, R.J.; White, R.J.; Wilkes, B.J.; Wills, B.J.; Winge, Claudia; Wu, H.; Zou, Z.L. (1995) [Journal article]
      We present the data and initial results from a combined HST/IUE/ground-based spectroscopic monitoring campaign on the Seyfert I galaxy NGC 5548 that was undertaken in order to address questions that require both higher ...

    • Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. VI. Variability of NGC 3783 from ground-based data 

      Stirpe, Giovanna M.; Winge, Claudia; Altieri, B.; Alloin, Danielle Marie; Aguero, E.L.; Anupama, G.C.; Ashley, R.; Bertram, R.; Calderon, J.H.; Catchpole, R.M.; Corradi, R.L.M.; Covino, E.; Dottori, Horacio Alberto; Feast, M.W.; Ghosh, K.K.; Hutton, R. Gil; Glass, I.S.; Grebel, Eva K.; Jorda, L.; Koen, C.; Laney, C.D.; Maia, Marcio Antonio Geimba; Marang, Fred; Mayya, Y.D.; Morrell, Nidia; Nakada, Y.; Pastoriza, Miriani Griselda; Pati, A.K.; Pelat, D.; Peterson, Bradley M.; Prabhu, T.P.; Roberts, G.; Sagar, R.; Salamanca, I.; Sekiguchi, Kazuhiro; Storchi-Bergmann, Thaisa; Subramaniam, A.; Villada, M.; Wagner, R.M.; Whitelock, P.A.; Winkler, Hartmut; Clavel, J.; Dietrich, Matthias; Kollatschny, W.; Perola, G.C.; Van Winckel, H.; Van Wyk, Francois; O'Brien, P.T.; Recondo-Gonzalez, M.C.; Rodriguez-Pascual, P.M.; Santos-Lleo, M. (1994) [Journal article]
      The Seyfert 1 galaxy NGC 3783 was intensely monitored in several bands between 1991 December and 1992 August. This paper presents the results from the ground-based observations in the optical and near-IR bands, which ...

    • Template ultraviolet to near-infrared spectra of star-forming galaxies and their application to K-corrections 

      Kinney, Anne Louise; Calzetti, Daniela; Bohlin, Ralph C.; Mcquade, Kerry; Storchi-Bergmann, Thaisa; Schmitt, Henrique Roberto (1996) [Journal article]
      Template UV-optical spectra of quiescent and starburst galaxies are presented and used to derive K­ corrections as a function of morphological type and redshift. IUE observations and archival data are used for the UV ...

    • The miniJPAS survey : galaxy populations in the most massive cluster in miniJPAS: mJPC2470-1771 

      Rodríguez-Martín, Julio E.; Chies-Santos, Ana Leonor; Perez, Isabel Marquez (2022) [Journal article]
      The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) is a photometric survey that is poised to scan several thousands of square degrees of the sky. It will use 54 narrow-band filters, combining ...