Now showing items 1-11 of 11

    • The 2014 Alma Long Baseline Campaign: An Overview 

      Fomalont, E. B.; Vlahakis, C.; Corder, S.; Remijan, Anthony; Barkats, Denis; Lucas, R.; Hunter, T. R.; Brogan, C. L.; Asaki, Y.; Matsushita, S.; Dent, William R. F.; Hills, R. E.; Phillips, N.; Richards, A. M. S.; Cox, P.; Amestica, R.; Broguiere, D.; Cotton, W.; Hales, Antonio; Hiriart, R.; Hirota, A.; Hodge, J. A.; Impellizzeri, C. M. V; Kern, J.; Kneissl, R.; Liuzzo, E.; Marcelino, N.; Marson, R.; Mignano, A.; Nakanishi, K.; Nikolic, B.; Perez, J. E.; Pérez, L. M.; Toledo, I.; Aladro, R.; Butler, B.; Cortes, J.; Cortes, P.; Dhawan, V.; Di Francesco, J.; Espada, D.; Galarza, F.; Garcia-Appadoo, D.; Guzman-Ramirez, L.; Humphreys, E.; Jung, T.; Kameno, S.; Laing, R. A.; Leon, S.; Mangum, J.; Marconi, G.; Nagai, H.; Nyman, L. A.; Radiszcz, M.; Rodón, J.; Sawada, T.; Takahashi, S.; Tilanus, R. P. J.; van Kempen, T.; Vila Vilaro, B.; Watson, L. C.; Wiklind, T.; Gueth, F.; Tatematsu, Ken’ichi; Wootten, A.; Castro-Carrizo, A.; Chapillon, E.; Dumas, G.; De Gregorio Monsalvo, Itziar; Francke, H.; Gallardo, J.; Garcia, J.; Gonzalez, S.; Hibbard, J.; Hill, T.; Kaminski, T.; Karim, A.; Krips, M.; Kurono, Y.; Lopez, C.; Martin, S.; Maud, L.; Morales, F.; Pietu, V.; Plarre, K.; Schieven, G.; Testi, L.; Videla, L.; Villard, Eric; Whyborn, N.; Zwaan, M. A.; Alves, F.; Andreani, P.; Avison, A.; Barta, M.; Bedosti, F.; Bendo, G.; Bertoldi, F.; Bethermin, M.; Biggs, A.; Boissier, J.; Brand, J.; Burkutean, S.; Casasola, V.; Conway, J.; Cortese, L.; Dabrowski, B.; Davis, T. A.; Diaz Trigo, M.; Fontani, F; Franco-Hernandez, R.; Fuller, G.; Galvan Madrid, R.; Giannetti, A.; Ginsburg, A.; Graves, S. F.; Hatziminaoglou, E.; Hogerheijde, M. R.; Jachym, P.; Jimenez Serra, I.; Karlicky, M.; Klaasen, P.; Kraus, M.; Kunneriath, D.; Lagos, C.; Longmore, S.; Leurini, S.; Maercker, M.; Magnelli, B.; Marti Vidal, I.; Massardi, M.; Maury, A.; Muehle, S.; Muller, S.; Muxlow, T.; O’Gorman, E.; Paladino, R.; Petry, D.; Pineda, J.; Randall, S.; Richer, J. S.; Rossetti, A.; Rushton, A.; Rygl, K. L.; Sanchez Monge, A.; Schaaf, R.; Schilke, P.; Stanke, T.; Schmalzl, M.; Stoehr, F.; Urban, S.; van Kampen, E.; Vlemmings, W.; Wang, K.; Wild, W.; Yang, Y.; Iguchi, S.; Hasegawa, T.; Saito, M.; Inatani, J.; Mizuno, N.; Asayama, S.; Kosugi, G.; Morita, K. -I.; Chiba, K.; Kawashima, S.; Okumura, S. K.; Ohashi, N.; Ogasawara, R.; Sakamoto, S.; Noguchi, T.; Huang, Y. D.; Liu, S.-Y.; Kemper, F.; Koch, P. M.; Chen, M. -T.; Chikada, Y.; Hiramatsu, M.; Iono, Daisuke; Komugi, S.; Kim, J.; Lyo, A.-R.; Muller, E.; Herrera, C.; Miura, R. E.; Ueda, J.; Chibueze, J.; Su, Yu-Nung; Trejo-Cruz, A.; Wang, K.-S.; Kiuchi, H.; Ukita, N.; Sugimoto, M.; Kawabe, Ryohei; Hayashi, M.; Miyama, S.; Ho, P. T. P.; Kaifu, N.; Ishiguro, M.; Beasley, A. J.; Bhatnagar, S.; Braatz III, J. A.; Brisbin, D. G.; Brunetti, N.; Carilli, C.; Crossley, J. H.; D’Addario, L.; Donovan Meyer, J. L.; Emerson, D. T.; Evans, A. S.; Fisher, P.; Golap, K.; Griffith, D. M.; Hale, A. E.; Halstead, D.; Hardy, E. J.; Hatz, M. C.; Holdaway, M.; Indebetouw, R.; Jewell, P. R.; Kepley, A. A.; Kim, D.-C.; Lacy, M. D.; Leroy, A. K.; Liszt, H. S.; Lonsdale, C. J.; Matthews, B.; McKinnon, M.; Mason, B. S.; Moellenbrock, G.; Moullet, A.; Myers, S. T.; Ott, J.; Peck, A. B.; Pisano, J.; Radford, S. J. E.; Randolph, W. T.; Rao Venkata, U.; Rawlings, M. G.; Rosen, R.; Schnee, S. L.; Scott, K. S.; Sharp, N. K; Sheth, K.; Simon, R. S.; Tsutsumi, T.; Wood, S. J. (IOP Publishing, 2015)
      A major goal of the Atacama Large Millimeter/submillimeter Array (ALMA) is to make accurate images with resolutions of tens of milliarcseconds, which at submillimeter (submm) wavelengths requires baselines up to similar ...
    • A massive prestellar clump hosting no high-mass cores 

      Sanhueza, Patricio; Jackson, James; Zhang, Qizhou; Guzmán Fernández, Andrés; Lu, Xing; Stephens, Ian W.; Wang, Ke; Tatematsu, Ken'ichi (IOP Publishing, 2017-06-01)
      The infrared dark cloud (IRDC) G028.23-00.19 hosts a massive (1500M(circle dot)), cold (12 K), and 3.6-70 mu m IR dark clump (MM1) that has the potential to form high-mass stars. We observed this prestellar clump candidate ...
    • ALMA Reveals Sequential High-mass Star Formation in the G9.62+0.19 Complex 

      Liu, Tie; Lacy, John; Li, Pak Shing; Wang, Ke; Qin, Sheng-Li; Zhang, Qizhou; Kim, Kee-Tae; Garay Brignardello, Guido; Wu, Yuefang; Mardones, Diego; Zhu, Qingfeng; Tatematsu, Ken'ichi; Hirota, Tomoya; Ren, Zhiyuan; Liu, Sheng-Yuan; Chen, Huei-Ru; Su, Yu-Nung; Li, Di (IOP Publishing Ltd, 2017)
      Stellar feedback from high-mass stars (e.g., H II regions) can strongly influence the surrounding interstellar medium and regulate star formation. Our new ALMA observations reveal sequential high-mass star formation taking ...
    • Astrochemical Properties of Planck Cold Clumps 

      Tatematsu, Ken'Ichi; Liu, Tie; Ohashi, Satoshi; Sanhueza, Patricio; Nguyen Lu'O'Ng, Quang; Hirota, Tomoya; Liu, Sheng Yuan; Hirano, Naomi; Choi, Minho; Kang, Miju; Thompson, Mark A.; Fuller, Gary; Wu, Yuefang; Li, Di; Francesco, James Di; Kim, Kee Tae; Wang, Ke; Ristorcel (Institute of Physics Publishing, 2017)
      © 2017. The American Astronomical Society. All rights reserved.. We observed 13 Planck cold clumps with the James Clerk Maxwell Telescope/SCUBA-2 and with the Nobeyama 45 m radio telescope. The N2H+ distribution obtained ...
    • DENSE CLUMPS IN GIANT MOLECULAR CLOUDS IN THE LARGE MAGELLANIC CLOUD: DENSITY AND TEMPERATURE DERIVED FROM (13)CO(J=3-2) OBSERVATIONS 

      Minamidani, Tetsuhiro; Tanaka, Takanori; Mizuno, Yoji; Mizuno, Norikazu; Kawamura, Akiko; Onishi, Toshikazu; Hasegawa, Tetsuo; Tatematsu, Ken’ichi; Takekoshi, Tatsuya; Sorai, Kazuo; Moribe, Nayuta; Torii, Kazufumi; Sakai, Takeshi; Muraoka, Kazuyuki; Tanaka, Kunihiko; Ezawa, Hajime; Kohno, Kotaro; Kim, Sungeun; Rubio López, Mónica; Fukui, Yasuo (IOP PUBLISHING LTD, 2011-03)
      In order to precisely determine the temperature and density of molecular gas in the Large Magellanic Cloud, we made observations of the optically thin (13)CO(J = 3-2) transition using the ASTE 10 m telescope toward nine ...
    • Discovery of an extremely wide-angle bipolar outflow in afgl 5142 

      Liu, Tie; Zhang, Qizhou; Kim, Kee-Tae; Wu, Yuefang; Lee, Chang-Won; Goldsmith, Paul F.; Li, Di; Liu, Sheng-Yuan; Chen, Huei-Ru; Tatematsu, Ken'ichi; Lee, Jeong-Eun; Qin, Sheng-Li; Mardones Pérez, Diego; Cho, Se-Hyung (2016-06-10)
      Most bipolar outflows are associated with individual young stellar objects and have small opening angles. Here we report the discovery of an extremely wide-angle (similar to 180 degrees) bipolar outflow ("EWBO") in a cluster ...
    • Extremely Energetic Outflow and Decelerated Expansion in W49N 

      Liu, Tie; Kim, Kee-Tae; Wu, Yuefang; Li, Di; Lee, Chang-Won; Pree, Christopher De; Qin, Sheng-Li; Wang, Ke; Tatematsu, Ken’ichi; Zhang, Qizhou; Mardones Pérez, Diego; Liu, Sheng-Yuan; Cho, Se-Hyung (The American Astronomical Society, 2015-09-10)
      W49N is a mini-starburst in the Milky Way and is thus an ideal laboratory for high-mass star formation studies. Due to its large distance (11.1 0.7 0.9 - + kpc), the kinematics inside and between the dense molecular ...
    • Infall signatures in a prestellar core embedded in the high-mass 70 mu m Dark IRDC G331.372-00.116 

      Contreras, Yanett; Sanhueza, Patricio; Jackson, James M.; Guzmán, Andrés E.; Longmore, Steven; Garay Brignardello, Guido; Zhang, Qizhou; Quang, Nguyen-Lu'o'Ng; Tatematsu, Ken'ichi; Nakamura, Fumitaka; Sakai, Takeshi; Ohashi, Satoshi; Liu, Tie; Saito, Masao; Gómez, Laura; Rathborne, Jill; Whitaker, Scott (IOP Publishing, 2018-07)
      Using Galactic Plane surveys, we have selected a massive (1200M circle dot), cold (14 K) 3.6-70 mu m dark IRDC, G331.372-00.116. This infrared dark cloud (IRDC) has the potential to form high-mass stars, and given the ...
    • Star formation laws in both galactic massive clumps and external galaxies: extensive study with dust coninuum, HCN (4-3), AND CS (7-6) 

      Liu, Tie; Kim, Kee-Tae; Yoo, Hyunju; Liu, Sheng-yuan; Tatematsu, Ken'ichi; Qin, Sheng-Li; Zhang, Qizhou; Wu, Yuefang; Wang, Ke; Goldsmith, Paul; Juvela, Mika; Lee, Jeong-Eun; Tóth, L. Viktor; Mardones Pérez, Diego; Garay Brignardello, Guido; Bronfman Aguiló, Leonardo; Cunningham, Maria; Li, Di; Lo, Nadia; Ristorcelli, Isabelle; Schnee, Scott (The American Astronomical Society, 2016-10-01)
      We observed 146 Galactic clumps in HCN (4-3) and CS (7-6) with the Atacama Submillimeter Telescope Experiment 10 m telescope. A tight linear relationship between star formation rate and gas mass traced by dust continuum ...
    • Submillimeter observations of giant molecular clouds in the Large Magellanic Cloud: Temperature and density as determined from J=3-2 and J=1-0 transitions of CO 

      Minamidani, Tetsuhiro; Mizuno, Norikazu; Mizuno, Yoji; Kawamura, Akiko; Onishi, Toshikazu; Hasegawa, Tetsuo; Tatematsu, Ken’ichi; Ikeda, Masafumi; Moriguchi, Yoshiaki; Yamaguchi, Nobuyuki; Ott, Jürgen; Wong, Tony; Muller, Erik; Pineda, Jorge L.; Hughes, Annie; Staveley-Smith, Lister; Klein, Ulrich; Mizuno, Akira; Nikolic, Silvana; Booth, Roy S.; Heikkilä, Arto; Nyman, Lars-Ake; Lerner, Mikael; Garay Brignardello, Guido; Kim, Sungeun; Fujishita, Motosuji; Kawase, Tokuichi; Rubio López, Mónica; Fukui, Yasuo (UNIV CHICAGO PRESS, 2008-04)
      We have carried out submillimeter (CO)-C-12(J = 3-2) observations of six giant molecular clouds (GMCs) in the Large Magellanic Cloud (LMC) with the ASTE 10 m submillimeter telescope at a spatial resolution of 5 pc and very ...
    • Warm and Dense Molecular Gas in the N159 Region: 12CO J=4–3 and 13CO J=3–2 Observations with NANTEN2 and ASTE 

      Mizuno, Yoji; Kawamura, Akiko; Onishi, Toshikazu; Minamidani, Tetsuhiro; Muller, Erik; Yamamoto, Hiroaki; Hayakawa, Takahiro; Mizuno, Norikazu; Mizuno, Akira; Stutzki, Jürgen; Pineda, Jorge L.; Klein, Uli; Bertoldi, Frank; Koo, Bon-Chul; Rubio López, Mónica; Burton, Michael; Benz, Arnold; Ezawa, Hajime; Yamaguchi, Nobuyuki; Kohno, Kotaro; Hasegawa, Tetsuo; Tatematsu, Ken’ichi; Ikeda, Masafumi; Ott, Jürgen; Wong, Tony; Hughes, Annie; Meixner, Margaret; Indebetouw, Remy; Gordon, Karl D.; Whitney, Barbara; Bernard, Jean-Philippe; Fukui, Yasuo (2009-10-02)
      New 12CO J=4–3 and 13CO J=3–2 observations of the N159 region, an active site of massive star formation in the Large Magellanic Cloud, have been made with the NANTEN2 and ASTE sub-mm telescopes, respectively. The 12CO ...