Browsing by Author "Testi, L."

Now showing items 1-14 of 14

    • A bright inner disk and structures in the transition disk around the very low-mass star CIDA1 
      Pinilla, P.; Kurtovic, N. T.; Benisty, Myriam; Manara, C. F.; Natta, A.; Sanchis, E.; Tazzari, M.; Stammler, S. M.; Ricci, L.; Testi, L. (EDP Sciences, 2021)
      The frequency of Earth-sized planets in habitable zones appears to be higher around M-dwarfs, making these systems exciting laboratories to investigate planet formation. Observations of protoplanetary disks around very ...
    • A gallery of bubbles The nature of the bubbles observed by Spitzer and what ATLASGAL tells us about the ... 
      Deharveng, L.; Schuller, F.; Anderson, L. D.; Zavagno, A.; Wyrowski, F.; Menten, K. M.; Bronfman Aguiló, Leonardo; Testi, L.; Walmsley, C. M.; Wienen, M. (2010-12)
      Context. This study deals with infrared bubbles, the H II regions they enclose, and triggered massive-star formation on their borders. Aims. We attempt to determine the nature of the bubbles observed by Spitzer in the ...
    • A giant planet shaping the disk around the very low-mass star CIDA 1 
      Curone, P.; Izquierdo, A. F.; Testi, L.; Lodato, G.; Facchini, S.; Natta, A.; Pinilla, P.; Kurtovic, N. T.; Toci, C.; Benisty, Myriam; Tazzari, M.; Borsa, F.; Lombardi, M.; Manara, C. F.; Sanchis, E.; Ricci, L. (EDP Sciences, 2022)
      Context. Exoplanetary research has provided us with exciting discoveries of planets around very low-mass (VLM) stars (0.08 M-circle dot less than or similar to M-*less than or similar to 0.3 M-circle dot ; e.g., TRAPPIST-1 ...
    • A highly non-keplerian protoplanetary disc spiral structure in the gas disc of CQ tau 
      Wölfer, L.; Facchini, S.; Kurtovic, N. T.; Teague, R.; Van Dishoeck, E. F.; Benisty, Myriam; Ercolano, B.; Lodato, G.; Miotello, A.; Rosotti, G.; Testi, L.; Ubeira Gabellini, M. G. (EDP Sciences, 2021)
      Context. In recent years high-angular-resolution observations have revealed that circumstellar discs appear in a variety of shapes with diverse substructures being ubiquitous. This has given rise to the question of whether ...
    • The ATLASGAL survey: a catalog of dust condensations in the Galactic plane 
      Csengeri, T.; Urquhart, S.; Schuller, F.; Motte, F.; Bontemps, S.; Wyrowski, F.; Menten, K. M.; Bronfman Aguiló, Leonardo; Beuther, H.; Henning, Thomas; Testi, L.; Zavagno, A.; Walmsley, M. (2014)
      Context. The formation processes and the evolutionary stages of high-mass stars are poorly understood compared to low-mass stars. Large-scale surveys are needed to provide an unbiased census of high column density sites ...
    • A cluster in the making: ALMA reveals the initial conditions for high-mass cluster formation 
      Rathborne, Jill; Longmore, S. N.; Jackson, J. M.; Alves, J. F.; Bally, J.; Bastian, N.; Contreras, Y.; Foster, J. B.; Garay Brignardello, Guido; Kruijssen, J. M.; Testi, L.; Walsh, A. J. (IOP PUBLISHING LTD, 2015)
      G0.253+0.016 is a molecular clump that appears to be on the verge of forming a high-mass cluster: its extremely low dust temperature, high mass, and high density, combined with its lack of prevalent star formation, make ...
    • A cluster in the making: alma reveals the initial conditions for high-mass cluster formation. 
      Rathborne, Jill; Longmore, S. N.; Jackson, J. M.; Alves, J. F.; Bally, J.; Bastian, N.; Contreras, Y.; Foster, J. B.; Garay Brignardello, Guido; Kruijssen, J. M. D.; Testi, L.; Walsh, A. J. (2015-04-01)
      G0.253+0.016 is a molecular clump that appears to be on the verge of forming a high-mass cluster: its extremely low dust temperature, high mass, and high density, combined with its lack of prevalent star formation, make ...
    • G0.253+0.016: A centrally condensed, high-mass protocluster. 
      Rathborne, Jill; Longmore, S. N.; Jackson, J. M.; Foster, J. B.; Contreras, Y.; Garay Brignardello, Guido; Testi, L.; Alves, J. F.; Bally, J.; Bastian, N.; Kruijssen, J. M. D.; Bressert, E. (The American Astronomical Society., 2014-04-25)
      Despite their importance as stellar nurseries and the building blocks of galaxies, very little is known about the formation of the highest mass clusters. The dense clump G0.253+0.016 represents an example of a clump that ...
    • Molecular cloud catalogue from (CO)-C-13 (1-0) data of the Forgotten Quadrant Survey 
      Benedettini, M.; Traficante, A.; Olmi, L.; Pezzuto, S.; Baldeschi, A.; Molinari, S.; Elia, D.; Schisano, E.; Merello, M.; Fontani, F.; Rygl, K. L. J.; Brand, J.; Beltrán, M. T.; Cesaroni, R.; Liu, S. J.; Testi, L. (EDP Sciences, 2021)
      Context. New-generation spectroscopic surveys of the Milky Way plane have been revealing the structure of the interstellar medium, allowing the simultaneous study of dense structures from single star-forming objects or ...
    • The molecular environment of the Galactic star forming region G19.61–0.23 
      Santangelo, G.; Testi, L.; Leurini, S.; Walmsley, C. M.; Cesaroni, R.; Bronfman Aguiló, Leonardo; Carey, S.; Gregorini, L.; Menten, K. M.; Molinari, S.; Noriega Crespo, A.; Olmi, L.; Schuller, F. (ESO, 2010-06-03)
      Context. Although current facilities allow the study of Galactic star formation at high angular resolution, our current understanding of the high-mass star-formation process is still very poor. In particular, we still ...
    • Size and structures of disks around very low mass stars in the taurus star-forming region 
      Kurtovic, N. T.; Pinilla, P.; Long, F.; Benisty, Myriam; Manara, C. F.; Natta, A.; Pascucci, I.; Ricci, L.; Scholz, A.; Testi, L. (EDP Sciences, 2021)
      Context. The discovery of giant planets orbiting very low mass stars (VLMS) and the recent observed substructures in disks around VLMS is challenging planet formation models. Specifically, radial drift of dust particles ...
    • The SEDIGISM survey: First data release and overview of the galacti structure 
      Schuller, F.; Urquhart, J. S.; Csengeri, T.; Colombo, D.; Duarte Cabral, A.; Mattern, M.; Ginsburg, A.; Pettitt, A. R.; Wyrowski, F.; Anderson, L.; Azagra, F.; Barnes, P.; Beltran, M.; Beuther, H.; Billington, S.; Bronfman Aguilo, Leonardo Jaime; Cesaroni, R.; Dobbs, C.; Eden, D.; Lee, M. Y.; Medina, S. N. X.; Menten, K. M.; Moore, T.; Montenegro Montes, F. M.; Ragan, S.; Rigby, A.; Riener, M.; Russeil, D.; Schisano, E.; Sánchez Monge, A.; Traficante, A.; Zavagno, A.; Agurto, C.; Bontemps, S.; Finger, R.; Giannetti, A.; González, E.; Hernández, A. K.; Henning, T.; Kainulainen, J.; Kauffmann, J.; Leurini, S.; López, S.; Mac-Auliffe, F.; Mazumdar, P.; Molinari, S.; Motte, F.; Muller, E.; Nguyen Luong, Q.; Parra, R.; Pérez Beaupuits, J. P.; Schilke, P.; Schneider, N.; Suri, S.; Testi, L.; Torstensson, K.; Veena, V. S.; Venegas, P.; Wang, K.; Wienen, M. (Oxford University Press, 2021)
      The SEDIGISM (Structure, Excitation and Dynamics of the Inner Galactic InterstellarMedium) survey used the APEX telescope to map 84 deg2 of the Galactic plane between = −60◦ and +31◦ in several molecular transitions, ...
    • Unveiling the gas-and-dust disk structure in HD 163296 using ALMA observations 
      De Gregorio Monsalvo, Itziar; Ménard, Francois; Dent, W.; Pinte, Christophe; López Saavedra, Celso; Klaassen, C.; Hales, A.; Cortés, P.; Rawlings, M. G.; Tachihara, K.; Testi, L.; Takahashi, S.; Chapillon, E.; Mathews, G.; Juhasz, A.; Akiyama, E.; Higuchi, Aya; Saito, M.; Nyman, L. A.; Phillips, N.; Rodón, J.; Corder, S.; Van Kempen, T. (EDP Sciences, 2013)
      Aims. The aim of this work is to study the structure of the protoplanetary disk surrounding the Herbig Ae star HD 163296. Methods. We used high-resolution and high-sensitivity ALMA observations of the CO(3–2) emission ...
    • Water vapor in the protoplanetary disk of DG Tau 
      Podio, L.; Kamp, I.; Codella, C.; Cabrit, S.; Nisini, B.; Dougados, C.; Sandell, G.; Williams, J. P.; Testi, L.; Thi, W. F.; Woitke, P.; Meijerink, R.; Spaans, M.; Aresu, G.; Ménard, Francois; Pinte, Christophe (The American Astronomical Society, 2013)
      Water is key in the evolution of protoplanetary disks and the formation of comets and icy/water planets. While high-excitation water lines originating in the hot inner disk have been detected in several T Tauri stars ...