DSpace Repository

Browsing by Title

Browsing by Title

Sort by: Order: Results:

  • ALMA CO Observations of Gamma-Ray Supernova Remnant N132D in the Large Magellanic Cloud: Possible Evidence for Shocked Molecular Clouds Illuminated by Cosmic-Ray Protons 
    Sano, H.; Plucinsky, Paul P.; Bamba, A.; Sharda, P.; Filipovic, M. D.; Law, Charles J.; Alsaberi, R. Z. E.; Yamane, Y.; Tokuda, K.; Acero, F.; Sasaki, M.; Vink, J.; Inoue, T.; Inutsuka, S.; Shimoda, J.; Tsuge, K.; Fujii, K.; Voisin, F.; Maxted, N.; Rowell, G.; Onishi, T.; Kawamura, A.; Mizuno, N.; Yamamoto, H.; Tachihara, K.; Fukui, Y. (2020)
    N132D is the brightest gamma-ray supernova remnant (SNR) in the Large Magellanic Cloud (LMC). We carried out <SUP>12</SUP>CO(J = 1-0, 3-2) observations toward the SNR using the Atacama Large Millimeter/submillimeter Array ...
  • ALMA CO(3-2) Observations of Star-forming Filaments in a Gas-poor Dwarf Spheroidal Galaxy 
    Consiglio, S. Michelle; Turner, Jean L.; Beck, Sara; Meier, David S.; Silich, Sergiy; Zhao, Jun-Hui (2017)
    We report ALMA observations of <SUP>12</SUP>CO(3-2) and <SUP>13</SUP>CO(3-2) in the gas-poor dwarf galaxy NGC 5253. These 0.´´3(5.5 pc) resolution images reveal small, dense molecular gas clouds that are located in ...
  • An ALMA Constraint on the GSC 6214-210 B Circum-substellar Accretion Disk Mass 
    Bowler, Brendan P.; Andrews, Sean M.; Kraus, Adam L.; Ireland, Michael J.; Herczeg, Gregory; Ricci, Luca; Carpenter, John; Brown, Michael E. (2015)
    We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of GSC 6214-210 A and B, a solar-mass member of the 5–10 Myr Upper Scorpius association with a 15 ± 2 M<SUB>Jup</SUB> companion orbiting at ˜ 330 ...
  • ALMA data suggest the presence of spiral structure in the inner wind of CW Leonis 
    Decin, L.; Richards, A. M. S.; Neufeld, D.; Steffen, W.; Melnick, G.; Lombaert, R. (2015)
    Context. Evolved low-mass stars lose a significant fraction of their mass through stellar winds. While the overall morphology of the stellar wind structure during the asymptotic giant branch (AGB) phase is thought to be ...
  • ALMA Detection of Extended Millimeter Halos in the HD 32297 and HD 61005 Debris Disks 
    MacGregor, Meredith A.; Weinberger, Alycia J.; Hughes, A. Meredith; Wilner, David J.; Currie, Thayne; Debes, John H.; Donaldson, Jessica K.; Redfield, Seth; Roberge, Aki; Schneider, Glenn (2018)
    We present Atacama Large Millimeter/submillimeter Array (ALMA) 1.3 mm (230 GHz) observations of the HD 32297 and HD 61005 debris disks, two of the most iconic debris disks because of their dramatic swept-back wings seen ...
  • ALMA Detection of Vibrationally Excited (v <SUB>t</SUB> = 1, 2) Acetic Acid toward NGC 6334I 
    Xue, Ci; Remijan, Anthony J.; Brogan, Crystal L.; Hunter, Todd R.; Herbst, Eric; McGuire, Brett A. (2019)
    Vibrationally excited states of detected interstellar molecules have been shown to account for a large portion of unidentified spectral lines in observed interstellar spectra toward chemically rich sources. Here, we present ...
  • ALMA Detects CO(3-2) within a Super Star Cluster in NGC 5253 
    Turner, Jean L.; Consiglio, S. Michelle; Beck, Sara C.; Goss, W. M.; Ho, Paul T. P.; Meier, David S.; Silich, Sergiy; Zhao, Jun-Hui (2017)
    We present observations of CO(3-2) and <SUP>13</SUP>CO(3-2) emission near the supernebula in the dwarf galaxy NGC 5253, which contains one of the best examples of a potential globular cluster in formation. The 0.´´3 ...
  • The ALMA Discovery of the Rotating Disk and Fast Outflow of Cold Molecular Gas in NGC 1275 
    Nagai, H.; Onishi, K.; Kawakatu, N.; Fujita, Y.; Kino, M.; Fukazawa, Y.; Lim, J.; Forman, William; Vrtilek, Jan; Nakanishi, K.; Noda, H.; Asada, K.; Wajima, K.; Ohyama, Y.; David, Laurence; Daikuhara, K. (2019)
    We present observations using the Atacama Large Millimeter/submillimeter Array of the CO(2-1), HCN(3-2), and HCO<SUP>+</SUP>(3-2) lines in the nearby radio galaxy/brightest cluster galaxy (BCG) NGC 1275 with a spatial ...
  • An ALMA Disk Mass for the Candidate Protoplanetary Companion to FW Tau 
    Kraus, Adam L.; Andrews, Sean M.; Bowler, Brendan P.; Herczeg, Gregory; Ireland, Michael J.; Liu, Michael C.; Metchev, Stanimir; Cruz, Kelle L. (2015)
    We present ALMA observations of the FW Tau system, a close binary pair of M5 stars with a wide-orbit (300 AU projected separation) substellar companion. The companion is extremely faint and red in the optical and near-infrared, ...
  • ALMA Hints at the Presence of two Companions in the Disk around HD 100546 
    Walsh, Catherine; Juhász, Attila; Pinilla, Paola; Harsono, Daniel; Mathews, Geoffrey S.; Dent, William R. F.; Hogerheijde, Michiel R.; Birnstiel, Tilman; Meeus, Gwendolyn; Nomura, Hideko; Aikawa, Yuri; Millar, T. J.; Sandell, Göran (2014)
    HD 100546 is a well-studied Herbig Be star-disk system that likely hosts a close-in companion with compelling observational evidence for an embedded protoplanet at 68 AU. We present Atacama Large Millimeter/Submillimeter ...
  • ALMA Measurements of Circumstellar Material in the GQ Lup System 
    MacGregor, Meredith A.; Wilner, David J.; Czekala, Ian; Andrews, Sean M.; Dai, Y. Sophia; Herczeg, Gregory J.; Kratter, Kaitlin M.; Kraus, Adam L.; Ricci, Luca; Testi, Leonardo (2017)
    We present Atacama Large Millimeter/submillimeter Array observations of the GQ Lup system, a young Sun-like star with a substellar-mass companion in a wide-separation orbit. These observations of 870 ?m continuum and CO J ...
  • ALMA nutator design and preliminary performances 
    Martin-Cocher, Pierre; Ford, John; Koch, Patrick M.; Ni, Chih-Wen; Chen, Wei-Long; Chen, Ming-Tang; Raffin, Philippe; Ong, Ching-Long; Ho, Paul T. P.; Symmes, Arthur H. (2012)
    We report the past two years of collaboration between the different actors on the ALMA nutator. Building on previous developments, the nutator has seen changes in much of the design. A high-modulus carbon fiber structure ...
  • ALMA Observations of a Misaligned Binary Protoplanetary Disk System in Orion 
    Williams, Jonathan P.; Mann, Rita K.; Di Francesco, James; Andrews, Sean M.; Hughes, A. Meredith; Ricci, Luca; Bally, John; Johnstone, Doug; Matthews, Brenda (2014)
    We present Atacama Large Millimeter/Submillimeter Array (ALMA) observations of a wide binary system in Orion, with projected separation 440 AU, in which we detect submillimeter emission from the protoplanetary disks around ...
  • ALMA Observations of Asymmetric Molecular Gas Emission from a Protoplanetary Disk in the Orion Nebula 
    Factor, Samuel M.; Hughes, A. M.; Flaherty, Kevin M.; Mann, Rita K.; Di Francesco, James; Williams, Jonathan P.; Ricci, Luca; Matthews, Brenda C.; Bally, John; Johnstone, Doug (2017)
    We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of molecular line emission from d216-0939, one of the largest and most massive protoplanetary disks in the Orion Nebula Cluster. We model the ...
  • ALMA Observations of Circumstellar Disks in the Upper Scorpius OB Association 
    Barenfeld, Scott A.; Carpenter, John M.; Ricci, Luca; Isella, Andrea (2016)
    We present ALMA observations of 106 G-, K-, and M-type stars in the Upper Scorpius OB Association hosting circumstellar disks. With these data, we measure the 0.88 mm continuum and <SUP>12</SUP>CO J = 3-2 line fluxes of ...
  • ALMA observations of cold molecular gas filaments trailing rising radio bubbles in PKS 0745-191 
    Russell, H. R.; McNamara, B. R.; Fabian, A. C.; Nulsen, P. E. J.; Edge, A. C.; Combes, F.; Murray, N. W.; Parrish, I. J.; Salomé, P.; Sanders, J. S.; Baum, S. A.; Donahue, M.; Main, R. A.; O'Connell, R. W.; O'Dea, C. P.; Oonk, J. B. R.; Tremblay, Grant R.; Vantyghem, A. N.; Voit, G. M. (2016)
    We present ALMA observations of the CO(1-0) and CO(3-2) line emission tracing filaments of cold molecular gas in the central galaxy of the cluster PKS 0745-191. The total molecular gas mass of 4.6± 0.3× 10<SUP>9</SUP> ...
  • ALMA Observations of Dust Polarization and Molecular Line Emission from the Class 0 Protostellar Source Serpens SMM1 
    Hull, Charles L. H.; Girart, Josep M.; Tychoniec, Lukasz; Rao, Ramprasad; Cortés, Paulo C.; Pokhrel, Riwaj; Zhang, Qizhou; Houde, Martin; Dunham, Michael M.; Kristensen, Lars E.; Lai, Shih-Ping; Li, Zhi-Yun; Plambeck, Richard L. (2017)
    We present high angular resolution dust polarization and molecular line observations carried out with the Atacama Large Millimeter/submillimeter Array (ALMA) toward the Class 0 protostar Serpens SMM1. By complementing these ...
  • ALMA observations of envelopes around first hydrostatic core candidates 
    Maureira, María José; Arce, Héctor G.; Dunham, Michael M.; Mardones, Diego; Guzmán, Andrés E.; Pineda, Jaime E.; Bourke, Tyler L. (2020)
    We present ALMA 3 mm molecular line and continuum observations with a resolution of ˜3.5 arcsec towards five first hydrostatic core (FHSC) candidates (L1451-mm, Per-bolo 58, Per-bolo 45, L1448-IRS2E, and Cha-MMS1). Our ...
  • ALMA Observations of Fragmentation, Substructure, and Protostars in High-mass Starless Clump Candidates 
    Svoboda, Brian E.; Shirley, Yancy L.; Traficante, Alessio; Battersby, Cara; Fuller, Gary A.; Zhang, Qizhou; Beuther, Henrik; Peretto, Nicolas; Brogan, Crystal; Hunter, Todd (2019)
    The initial physical conditions of high-mass stars and protoclusters remain poorly characterized. To this end, we present the first targeted ALMA Band 6 1.3 mm continuum and spectral line survey toward high-mass starless ...
  • ALMA Observations of HD 141569 s Circumstellar Disk 
    White, J. A.; Boley, A. C.; Hughes, A. M.; Flaherty, K. M.; Ford, E.; Wilner, D.; Corder, S.; Payne, M. (2016)
    We present ALMA band 7 (345 GHz) continuum and <SUP>12</SUP>CO(J = 3-2) observations of the circumstellar disk surrounding HD 141569. At an age of about 5 Myr, the disk has a complex morphology that may be best interpreted ...

Search DSpace

Browse

My Account