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  • Alluvial Terraces of the Lower Vaal River, South Africa: A Reappraisal and Reinvestigation 
    Butzer, Karl W.; Helgren, David M.; Fock, G. J.; Stuckenrath, Robert, Jr. (1973)
  • ALMA 0.88 mm Survey of Disks around Planetary-mass Companions 
    Wu, Ya-Lin; Bowler, Brendan P.; Sheehan, Patrick D.; Andrews, Sean M.; Herczeg, Gregory J.; Kraus, Adam L.; Ricci, Luca; Wilner, David J.; Zhu, Zhaohuan (2020)
    Characterizing the physical properties and compositions of circumplanetary disks can provide important insights into the formation of giant planets and satellites. We report Atacama Large Millimeter/submillimeter Array ...
  • An ALMA 1.3 millimeter Search for Debris Disks around Solar-type Stars in the Pleiades 
    Sullivan, Devin; Wilner, David J.; Matrà, Luca; Wyatt, Mark C.; Andrews, Sean M.; MacGregor, Meredith A.; Matthews, Brenda (2022)
    Millimeter emission from debris disks around stars of different ages provides constraints on the collisional evolution of planetesimals. We present ALMA 1.3 millimeter observations of a sample of 76 Solar-type stars in the ...
  • ALMA 1.3 mm Map of the HD 95086 System 
    Su, Kate Y. L.; MacGregor, Meredith A.; Booth, Mark; Wilner, David J.; Flaherty, Kevin; Hughes, A. Meredith; Phillips, Neil M.; Malhotra, Renu; Hales, Antonio S.; Morrison, Sarah; Ertel, Steve; Matthews, Brenda C.; Dent, William R. F.; Casassus, Simon (2017)
    Planets and minor bodies such as asteroids, Kuiper-Belt objects, and comets are integral components of a planetary system. Interactions among them leave clues about the formation process of a planetary system. The signature ...
  • ALMA and VLA Observations of EX Lupi in Its Quiescent State 
    White, Jacob Aaron; Kóspál, Á.; Hughes, A. G.; Ábrahám, P.; Akimkin, V.; Banzatti, A.; Chen, L.; Cruz-Sáenz de Miera, F.; Dutrey, A.; Flock, M.; Guilloteau, S.; Hales, A. S.; Henning, T.; Kadam, K.; Semenov, D.; Sicilia-Aguilar, A.; Teague, Richard D.; Vorobyov, E. I. (2020)
    Extreme outbursts in young stars may be a common stage of pre-main-sequence stellar evolution. These outbursts, caused by enhanced accretion and accompanied by increased luminosity, can also strongly impact the evolution ...
  • ALMA and VLA observations of the HD 141569 system 
    White, Jacob Aaron; Boley, A. C.; MacGregor, M. A.; Hughes, A. M.; Wilner, D. J. (2018)
    We present VLA 9 mm (33 GHz) and archival ALMA 2.9 mm (103 GHz) observations of the HD 141569 system. The VLA observations achieve a resolution of 0.25 arcsec (˜28 au) and a sensitivity of 4.7 µJy beam<SUP>- 1</SUP>. We ...
  • ALMA and VLA observations of the outflows in IRAS 16293-2422 
    Loinard, Laurent; Zapata, Luis A.; Rodríguez, Luis F.; Pech, Gerardo; Chandler, Claire J.; Brogan, Crystal L.; Wilner, David J.; Ho, Paul T. P.; Parise, Bérengère; Hartmann, Lee W.; Zhu, Zhaohuan; Takahashi, Satoko; Trejo, Alfonso (2013)
    We present Atacama Large Millimeter/submillimeter Array (ALMA) and Very Large Array (VLA) observations of the molecular and ionized gas at 0.1-0.3 arcsec resolution in the Class 0 protostellar system IRAS 16293-2422. These ...
  • ALMA chemical survey of disk-outflow sources in Taurus (ALMA-DOT). I. CO, CS, CN, and H<SUB>2</SUB>CO around DG Tau B 
    Garufi, A.; Podio, L.; Codella, C.; Rygl, K.; Bacciotti, F.; Facchini, S.; Fedele, D.; Miotello, A.; Teague, Richard; Testi, L. (2020)
    The chemical composition of planets is determined by the distribution of the various molecular species in the protoplanetary disk at the time of their formation. To date, only a handful of disks have been imaged in multiple ...
  • ALMA chemical survey of disk-outflow sources in Taurus (ALMA-DOT). III. The interplay between gas and dust in the protoplanetary disk of DG Tau 
    Podio, L.; Garufi, A.; Codella, C.; Fedele, D.; Rygl, K.; Favre, C.; Bacciotti, F.; Bianchi, E.; Ceccarelli, C.; Mercimek, S.; Teague, Richard D.; Testi, L. (2020)
    Context. Planets form in protoplanetary disks and inherit their chemical composition. It is therefore crucial to understand the molecular content of protoplanetary disks in their gaseous and solid components. <br/> Aims: ...
  • ALMA chemical survey of disk-outflow sources in Taurus (ALMA-DOT). V. Sample, overview, and demography of disk molecular emission 
    Garufi, A.; Podio, L.; Codella, C.; Fedele, D.; Bianchi, E.; Favre, C.; Bacciotti, F.; Ceccarelli, C.; Mercimek, S.; Rygl, K.; Teague, Richard; Testi, L. (2021)
    We present an overview of the ALMA chemical survey of disk-outflow sources in Taurus (ALMA-DOT), a campaign devoted to the characterization of the molecular emission from partly embedded young stars. The project is aimed ...
  • ALMA CN Zeeman Observations of AS 209: Limits on Magnetic Field Strength and Magnetically Driven Accretion Rate 
    Harrison, Rachel E.; Looney, Leslie W.; Stephens, Ian W.; Li, Zhi-Yun; Teague, Richard; Crutcher, Richard M.; Yang, Haifeng; Cox, Erin G.; Fernández-López, Manuel; Shinnaga, Hiroko (2021)
    While magnetic fields likely play an important role in driving the evolution of protoplanetary disks through angular momentum transport, observational evidence of magnetic fields has only been found in a small number of ...
  • ALMA CO observations of a giant molecular cloud in M 33: Evidence for high-mass star formation triggered by cloud-cloud collisions 
    Sano, Hidetoshi; Tsuge, Kisetsu; Tokuda, Kazuki; Muraoka, Kazuyuki; Tachihara, Kengo; Yamane, Yumiko; Kohno, Mikito; Fujita, Shinji; Enokiya, Rei; Rowell, Gavin; Maxted, Nigel; Filipovic, Miroslav D.; Knies, Jonathan; Sasaki, Manami; Onishi, Toshikazu; Plucinsky, Paul P.; Fukui, Yasuo (2021)
    We report the first evidence for high-mass star formation triggered by collisions of molecular clouds in M 33. Using the Atacama Large Millimeter/submillimeter Array, we spatially resolved filamentary structures of giant ...
  • 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 ...

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