Browsing by Author "Centre for Astrophysics Research (CAR)"

Now showing items 101-120 of 3233

    • ALMA ACA and Nobeyama Observations of Two Orion Cores in Deuterated Molecular Lines 

      Tatematsu, Ken'Ichi; Liu, Tie; Kim, Gwanjeong; Yi, Hee Weon; Lee, Jeong Eun; Hirano, Naomi; Liu, Sheng Yuan; Ohashi, Satoshi; Sanhueza, Patricio; Francesco, James Di; Evans, Neal J.; Fuller, Gary A.; Kandori, Ryo; Choi, Minho; Kang, Miju; Feng, Siyi; Hirota, Tomoya; Sakai, Takeshi; Lu, Xing; Lu'O'Ng, Quang Nguyen; Thompson, Mark A.; Wu, Yuefang; Li, Di; Kim, Kee Tae; Wang, Ke; Ristorcelli, Isabelle; Juvela, Mika; Tóth, L. Viktor (2020-06-03)
      We mapped two molecular cloud cores in the Orion A cloud with the 7 m Array of the Atacama Compact Array (ACA) of the Atacama Large Millimeter/submillimeterArray (ALMA) and with the Nobeyama 45 m radio telescope. These ...

    • ALMA CO Clouds and Young Star Complexes in the Interacting Galaxies IC 2163 and NGC 2207 

      Elmegreen, Debra Meloy; Elmegreen, Bruce G.; Kaufman, Michele; Brinks, Elias; Struck, Curtis; Bournaud, Frederic; Sheth, Kartik; Juneau, Stephanie (2017-05-22)
      ALMA observations of CO(1-0) emission in the interacting galaxies IC 2163 and NGC 2207 are used to determine the properties of molecular clouds and their association with star-forming regions observed with the Hubble Space ...

    • ALMA Deep Field in SSA22: A Concentration of Dusty Starbursts in a z = 3.09 Protocluster Core 

      Umehata, H.; Tamura, Y.; Kohno, K.; Ivison, R.~J.; Alexander, D.~M.; Geach, J.~E.; Hatsukade, B.; Hughes, D.~H.; Ikarashi, S.; Kato, Y.; Izumi, T.; Kawabe, R.; Kubo, M.; Lee, M.; Lehmer, B.; Makiya, R.; Matsuda, Y.; Nakanishi, K.; Saito, T.; Smail, I.; Yamada, T.; Yamaguchi, Y.; Yun, M. (2015-12-04)
      We report the results of 1farcm5 × 3' mapping at 1.1 mm with the Atacama Large Millimeter/submillimeter Array toward the central region of the z = 3.09 SSA22 protocluster. By combining our source catalog with archival ...

    • ALMA detects a radial disk wind in DG Tauri 

      Guedel, M.; Eibensteiner, C.; Dionatos, O.; Audard, M.; Forbrich, J.; Kraus, S.; Rab, Ch; Schneider, Ch; Skinner, S.; Vorobyov, E. (2018-12-01)
      Aims. We aim to use the high spatial resolution of the Atacama Large Millimeter/submillimeter Array (ALMA) to map the flow pattern of molecular gas near DG Tauri and its disk, a young stellar object driving a jet and a ...

    • ALMA observations of a z ≈ 3.1 protocluster : Star formation from active galactic nuclei and Lyman-alpha blobs in an overdense environment 

      Alexander, D. M.; Simpson, J. M.; Harrison, C. M.; Mullaney, J. R.; Smail, I.; Geach, J. E.; Hickox, R. C.; Karim, A.; Kubo, M.; Lehmer, B. D.; Matsuda, Y.; Rosario, D. J.; Stanley, F.; Swinbank, A. M.; Umehata, H.; Yamada, T.; Hine, Nancy (2016-09-21)
      We exploit Atacama Large Interferometer Array (ALMA) 870 μm observations to measure the star formation rates (SFRs) of eight X-ray detected active galactic nuclei (AGNs) in a z ≈ 3.1 protocluster, four of which reside in ...

    • ALMA Observations of Ly-alpha Blob 1: Halo Substructure Illuminated from Within 

      Geach, J.~E.; Narayanan, D.; Matsuda, Y.; Hayes, M.; Mas-Ribas, L.; Dijkstra, M.; Steidel, C.~C.; Chapman, S.~C.; Feldmann, R.; Avison, A.; Agertz, O.; Ao, Y.; Birkinshaw, M.; Bremer, M.~N.; Clements, D.~L.; Dannerbauer, H.; Farrah, D.; Harrison, C.~M.; Kubo, M.; Michalowski, M.~J.; Scott, D.; Spaans, M.; Simpson, J.~M.; Swinbank, A.~M.; Taniguchi, Y.; van der Werf, P.; Verma, A.; Yamada, T. (2016-11-14)
      We present new Atacama Large Millimeter/Submillimeter Array (ALMA) 850 μm continuum observations of the original Lyα Blob (LAB) in the SSA22 field at z = 3.1 (SSA22-LAB01). The ALMA map resolves the previously identified ...

    • ALMA observations of massive molecular gas reservoirs in dusty early-type galaxies 

      Sansom, A. E.; Glass, D. H. W.; Bendo, G. J.; Davis, T. A.; Rowlands, K.; Bourne, N.; Dunne, L.; Eales, S.; Kaviraj, S.; Popescu, C.; Smith, M.; Viaene, S. (2019-02-01)
      Unresolved gas and dust observations show a surprising diversity in the amount of interstellar matter in early-type galaxies. Using Atacama Large Millimetre/submillimeter Array (ALMA) observations we resolve the ISM in z ...

    • ALMA Observations of the Water Fountain Pre-Planetary Nebula IRAS 16342-3814: High-velocity bipolar jets and an Expanding Torus 

      Sahai, Raghvendra; Vlemmings, W.H.T.; Gledhill, Timothy; Sanchez Contreras, Carmen; Lagadec, Eric; Nyman, L.A.; Quintana-Lacaci, G. (2017-01-20)
      We have mapped 12CO J=3–2 and other molecular lines from the “water fountain” bipolar pre-planetary nebula (PPN) IRAS 16342-3814 with ∼0.35″ resolution using Atacama Large Millimeter/submillimeter Array. We find (i) two ...

    • The ALMA REBELS Survey : the dust content of z ∼7 Lyman break galaxies 

      Dayal, P.; Ferrara, A.; Sommovigo, L.; Bouwens, R.; Oesch, P. A.; Smit, R.; Gonzalez, V.; Schouws, S.; Stefanon, M.; Kobayashi, C.; Bremer, J.; Algera, H. S. B.; Aravena, M.; Bowler, R. A. A.; Cunha, E. da; Fudamoto, Y.; Graziani, L.; Hodge, J.; Inami, H.; Looze, I. De; Pallottini, A.; Riechers, D.; Schneider, R.; Stark, D.; Endsley, R. (2022-03-03)
      We include a fully coupled treatment of metal and dust enrichment into the Delphi semi-analytic model of galaxy formation to explain the dust content of 13 Lyman break galaxies (LBGs) detected by the Atacama Large millimetre ...

    • ALMA resolves turbulent, rotating [CII] emission in a young starburst galaxy at z=4.8 

      Breuck, Carlos De; Williams, Rebecca J.; Swinbank, Mark; Caselli, Paola; Coppin, Kristen; Davis, Timothy A.; Maiolino, Roberto; Nagao, Tohru; Smail, Ian; Walter, Fabian; Weiss, Axel; Zwaan, Martin (2014-05-31)
      We present spatially resolved Atacama Large Millimeter/submillimeter Array (ALMA) [CII] observations of the z=4.7555 submillimetre galaxy, ALESS 73.1. Our 0.5" FWHM map resolves the [CII] emitting gas which is centred close ...

    • ALMA reveals the coherence of the magnetic field geometry in OH 231.8+4.2 

      Sabin, L.; Sahai, R.; Vlemmings, W. H. T.; Zhang, Q.; Zijlstra, A. A.; Gledhill, T.; Huarte-Espinosa, M.; Sánchez, A. F. Pérez; Lagadec, E.; Navarro, S. G. (2020-05-23)
      In a continuing effort to investigate the role of magnetic fields in evolved low and intermediate mass stars (principally regarding the shaping of their envelopes), we present new ALMA high resolution polarization data ...

    • An ALMA study of the Orion Integral Filament : I. Evidence for narrow fibers in a massive cloud 

      Hacar, A.; Tafalla, M.; Forbrich, J.; Alves, J.; Meingast, S.; Grossschedl, J.; Teixeira, P. S. (2018-03-07)
      Aim. We have investigated the gas organization within the paradigmatic Integral Shape Filament (ISF) in Orion in order to decipher whether or not all filaments are bundles of fibers. Methods. We combined two new ALMA Cycle ...

    • ALMA survey of Class II protoplanetary disks in Corona Australis : a young region with low disk masses 

      Cazzoletti, P.; Manara, C. F.; Liu, H. B.; Dishoeck, E. F. van; Facchini, S.; Alcalà, J. M.; Ansdell, M.; Testi, L.; Williams, J. P.; Carrasco-González, C.; Dong, R.; Forbrich, J.; Fukagawa, M.; Galván-Madrid, R.; Hirano, N.; Hogerheijde, M.; Hasegawa, Y.; Muto, T.; Pinilla, P.; Takami, M.; Tamura, Motohide; Tazzari, M.; Wisniewski, J. P. (2019-04-03)
      In recent years, the disk populations in a number of young star-forming regions have been surveyed with ALMA. Understanding the disk properties and their correlation with those of the central star is critical to understand ...

    • ALMA Survey of Orion Planck Galactic Cold Clumps (ALMASOP). I. Detection of New Hot Corinos with the ACA 

      Hsu, Shih-Ying; Liu, Sheng-Yuan; Liu, Tie; Sahu, Dipen; Hirano, Naomi; Lee, Chin-Fei; Tatematsu, Kenichi; Kim, Gwanjeong; Juvela, Mika; Sanhueza, Patricio; He, Jinhua; Johnstone, Doug; Qin, Sheng-Li; Bronfman, Leonardo J.; Chen, Huei-Ru; Dutta, Somnath; Eden, David; Jhan, Kai-Syun; Kim, Kee-Tae; Kuan, Yi-Jehng; Kwon, Woojin; Lee, Chang Won; Lee, Jeong-Eun; Moraghan, Anthony; Rawlings, Mark; Shang, Hsien; Soam, Archana; Thompson, Mark; Traficante, Alessio; Wu, Yuefang; Yang, Yao-Lun; Zhang, Qizhou (2020-07-29)
      We report the detection of four new hot corino sources, G211.47-19.27S, G208.68-19.20N1, G210.49-19.79W, and G192.12-11.10, from a survey study of Planck Galactic Cold Clumps in the Orion Molecular Cloud Complex with the ...

    • An alma survey of sub-millimeter galaxies in the extended Chandra deep field south : Sub-millimeter properties of color-selected galaxies 

      Decarli, R.; Smail, I.; Walter, F.; Swinbank, A.M.; Chapman, S.; Coppin, Kristen; Cox, P.; Dannerbauer, H.; Greve, T.R.; Hodge, J. A.; Ivison, Rob J.; Karim, A.; Knudsen, K.K.; Lindroos, L.; Rix, H-W.; Schinnerer, E.; Simpson, J.M.; van der Werf, P.; Weiss, A. (2014-01-10)
      We study the sub-millimeter properties of color-selected galaxies via a stacking analysis applied for the first time to interferometric data at sub-millimeter wavelengths. We base our study on 344 GHz ALMA continuum ...

    • An ALMA survey of sub-millimetre galaxies in the extended chandra deep field south : The far-infrared properties of SMGs 

      Swinbank, A. M.; Simpson, J. M.; Smail, Ian; Harrison, C. M.; Hodge, J. A.; Karim, A.; Walter, F.; Alexander, D. M.; Brandt, W. N.; de Breuck, C.; da Cunha, E.; Chapman, S. C.; Coppin, Kristen; Danielson, A. L. R.; Dannerbauer, H.; Decarli, R.; Greve, T.R.; Ivison, R. J.; Knudsen, K. K.; Lagos, Claudia del P.; Schinnerer, E.; Thomson, A. P.; Wardlow, J. L.; Weiß, A.; van der Werf, P. (2014-02-21)
      We exploit Atacama Large Millimeter Array (ALMA) 870 μm observations of sub-millimetre sources in the Extended Chandra Deep Field South to investigate the far-infrared properties of high-redshift sub-millimetre galaxies ...

    • An ALMA Survey of Submilleter Galaxies in the Extended Chandra Deep Field-South : The AGN Fraction and X-Ray Properties of Submillimeter Galaxies 

      Wang, S.X.; Brandt, W. N.; Luo, B.; Smail, I.; Alexander, D.M.; Danielson, A. L. R.; Hodge, J. A.; Karim, A.; Lehmer, B.D.; Simpson, James; Swinbank, A.M.; Walter, Fabian; Wardlow, Julie; Xue, Y. Q.; Chapman, S.; Coppin, Kristen; Dannerbauer, H.; De Breuck, Carlos; Menten, K. M.; van der Werf, P. (2013)
      The large gas and dust reservoirs of submillimeter galaxies (SMGs) could potentially provide ample fuel to trigger an active galactic nucleus (AGN), but previous studies of the AGN fraction in SMGs have been controversial ...

    • An ALMA survey of submillimeter galaxies in the extended chandra deep field south : Near-infrared morphologies and stellar sizes 

      Chen, Chian Chou; Smail, Ian; Swinbank, A.M.; Simpson, J. M.; Ma, Cheng Jiun; Alexander, D.M.; Biggs, A. D.; Brandt, W.N.; Chapman, S.C.; Coppin, Kristen; Danielson, A. L. R.; Dannerbauer, H.; Edge, A. C.; Greve, T.R.; Ivison, R. J.; Karim, A.; Menten, Karl M.; Schinnerer, E.; Walter, F.; Wardlow, J. L.; Weiß, A.; Van Der Werf, P. P. (2015-02-01)
      We analyze Hubble Space Telescope WFC3/H160-band observations of a sample of 48 Atacama Large Millimeter/submillimeter Array detected submillimeter galaxies (SMGs) in the Extended Chandra Deep Field South field, to study ...

    • An ALMA survey of submillimeter galaxies in the Extended Chandra Deep Field South : Source catalog and multiplicity 

      Hodge, J. A.; Karim, A.; Smail, I.; Swinbank, A. M.; Walter, F.; Biggs, A. D.; Ivison, Rob J.; Weiss, A.; Alexander, D. M.; Bertoldi, F.; Brandt, W. N.; Chapman, S.C.; Coppin, Kristen; Cox, P.; Danielson, A. L. R.; Dannerbauer, H.; De Breuck, C.; Decarli, R.; Edge, A. C.; Greve, T. R.; Knudsen, K. K.; Menten, K.M.; Rix, H-W.; Schinnerer, E.; Simpson, J.M.; Wardlow, J. L.; van der Werf, P. (2013)
      We present an Atacama Large Millimeter/submillimeter Array (ALMA) Cycle 0 survey of 126 submillimeter sources from the LABOCA ECDFS Submillimeter Survey (LESS). Our 870 micron survey with ALMA (ALESS) has produced maps ~3X ...

    • An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South : Spectroscopic Redshifts 

      Danielson, A. L. R.; Swinbank, A.~M.; Smail, Ian; Simpson, J. M.; M. Casey, C.; Chapman, S.~C.; Cunha, Elisabete da; Hodge, J. A.; Walter, F.; Wardlow, J. L.; Alexander, D. M.; Brandt, W.N.; De Breuck, C.; Coppin, K. E.K.; Dannerbauer, H.; Dickinson, M.; Edge, A. C.; Gawiser, E.; Ivison, R. J.; Karim, A.; Kovacs, A.; Lutz, D.; Menten, K.~M.; Schinnerer, E.; Weiß, A.; van der Werf, P. (2017-05-10)
      We present spectroscopic redshifts of S870 μm ≳ 2 mJy submillimeter galaxies (SMGs), which have been identified from the ALMA follow-up observations of 870 μm detected sources in the Extended Chandra Deep Field South (the ...