DSpace Repository

Browsing by Author "Bergin, Edwin A."

Browsing by Author "Bergin, Edwin A."

Sort by: Order: Results:

  • Molecules with ALMA at Planet-forming Scales (MAPS). VI. Distribution of the Small Organics HCN, C<SUB>2</SUB>H, and H<SUB>2</SUB>CO 
    Guzmán, Viviana V.; Bergner, Jennifer B.; Law, Charles J.; Öberg, Karin I.; Walsh, Catherine; Cataldi, Gianni; Aikawa, Yuri; Bergin, Edwin A.; Czekala, Ian; Huang, Jane; Andrews, Sean M.; Loomis, Ryan A.; Zhang, Ke; Le Gal, Romane; Alarcón, Felipe; Ilee, John D.; Teague, Richard; Cleeves, L. Ilsedore; Wilner, David J.; Long, Feng; Schwarz, Kamber R.; Bosman, Arthur D.; Pérez, Laura M.; Ménard, François; Liu, Yao (2021)
    Small organic molecules, such as C<SUB>2</SUB>H, HCN, and H<SUB>2</SUB>CO, are tracers of the C, N, and O budget in protoplanetary disks. We present high-angular-resolution (10-50 au) observations of C<SUB>2</SUB>H, HCN, ...
  • Molecules with ALMA at Planet-forming Scales (MAPS). VII. Substellar O/H and C/H and Superstellar C/O in Planet-feeding Gas 
    Bosman, Arthur D.; Alarcón, Felipe; Bergin, Edwin A.; Zhang, Ke; van't Hoff, Merel L. R.; Öberg, Karin I.; Guzmán, Viviana V.; Walsh, Catherine; Aikawa, Yuri; Andrews, Sean M.; Bergner, Jennifer B.; Booth, Alice S.; Cataldi, Gianni; Cleeves, L. Ilsedore; Czekala, Ian; Furuya, Kenji; Huang, Jane; Ilee, John D.; Law, Charles J.; Le Gal, Romane; Liu, Yao; Long, Feng; Loomis, Ryan A.; Ménard, François; Nomura, Hideko; Qi, Chunhua; Schwarz, Kamber R.; Teague, Richard; Tsukagoshi, Takashi; Yamato, Yoshihide; Wilner, David J. (2021)
    The elemental composition of the gas and dust in a protoplanetary disk influences the compositions of the planets that form in it. We use the Molecules with ALMA at Planet-forming Scales (MAPS) data to constrain the elemental ...
  • Molecules with ALMA at Planet-forming Scales (MAPS). VIII. CO Gap in AS 209-Gas Depletion or Chemical Processing? 
    Alarcón, Felipe; Bosman, Arthur D.; Bergin, Edwin A.; Zhang, Ke; Teague, Richard; Bae, Jaehan; Aikawa, Yuri; Andrews, Sean M.; Booth, Alice S.; Calahan, Jenny K.; Cataldi, Gianni; Czekala, Ian; Huang, Jane; Ilee, John D.; Law, Charles J.; Le Gal, Romane; Liu, Yao; Long, Feng; Loomis, Ryan A.; Ménard, François; Öberg, Karin I.; Schwarz, Kamber R.; van't Hoff, Merel L. R.; Walsh, Catherine; Wilner, David J. (2021)
    Emission substructures in gas and dust are common in protoplanetary disks. Such substructures can be linked to planet formation or planets themselves. We explore the observed gas substructures in AS 209 using thermochemical ...
  • Molecules with ALMA at Planet-forming Scales (MAPS). X. Studying Deuteration at High Angular Resolution toward Protoplanetary Disks 
    Cataldi, Gianni; Yamato, Yoshihide; Aikawa, Yuri; Bergner, Jennifer B.; Furuya, Kenji; Guzmán, Viviana V.; Huang, Jane; Loomis, Ryan A.; Qi, Chunhua; Andrews, Sean M.; Bergin, Edwin A.; Booth, Alice S.; Bosman, Arthur D.; Cleeves, L. Ilsedore; Czekala, Ian; Ilee, John D.; Law, Charles J.; Le Gal, Romane; Liu, Yao; Long, Feng; Ménard, François; Nomura, Hideko; Öberg, Karin I.; Schwarz, Kamber R.; Teague, Richard; Tsukagoshi, Takashi; Walsh, Catherine; Wilner, David J.; Zhang, Ke (2021)
    Deuterium fractionation is dependent on various physical and chemical parameters. Thus, the formation location and thermal history of material in the solar system is often studied by measuring its D/H ratio. This requires ...
  • Molecules with ALMA at Planet-forming Scales (MAPS). XI. CN and HCN as Tracers of Photochemistry in Disks 
    Bergner, Jennifer B.; Öberg, Karin I.; Guzmán, Viviana V.; Law, Charles J.; Loomis, Ryan A.; Cataldi, Gianni; Bosman, Arthur D.; Aikawa, Yuri; Andrews, Sean M.; Bergin, Edwin A.; Booth, Alice S.; Cleeves, L. Ilsedore; Czekala, Ian; Huang, Jane; Ilee, John D.; Le Gal, Romane; Long, Feng; Nomura, Hideko; Ménard, François; Qi, Chunhua; Schwarz, Kamber R.; Teague, Richard; Tsukagoshi, Takashi; Walsh, Catherine; Wilner, David J.; Yamato, Yoshihide (2021)
    UV photochemistry in the surface layers of protoplanetary disks dramatically alters their composition relative to previous stages of star formation. The abundance ratio CN/HCN has long been proposed to trace the UV field ...
  • Molecules with ALMA at Planet-forming Scales (MAPS). XII. Inferring the C/O and S/H Ratios in Protoplanetary Disks with Sulfur Molecules 
    Le Gal, Romane; Öberg, Karin I.; Teague, Richard; Loomis, Ryan A.; Law, Charles J.; Walsh, Catherine; Bergin, Edwin A.; Ménard, François; Wilner, David J.; Andrews, Sean M.; Aikawa, Yuri; Booth, Alice S.; Cataldi, Gianni; Bergner, Jennifer B.; Bosman, Arthur D.; Cleeves, L. Ilse; Czekala, Ian; Furuya, Kenji; Guzmán, Viviana V.; Huang, Jane; Ilee, John D.; Nomura, Hideko; Qi, Chunhua; Schwarz, Kamber R.; Tsukagoshi, Takashi; Yamato, Yoshihide; Zhang, Ke (2021)
    Sulfur-bearing molecules play an important role in prebiotic chemistry and planet habitability. They are also proposed probes of chemical ages, elemental C/O ratio, and grain chemistry processing. Commonly detected in ...
  • Molecules with ALMA at Planet-forming Scales (MAPS). XIII. HCO<SUP>+</SUP> and Disk Ionization Structure 
    Aikawa, Yuri; Cataldi, Gianni; Yamato, Yoshihide; Zhang, Ke; Booth, Alice S.; Furuya, Kenji; Andrews, Sean M.; Bae, Jaehan; Bergin, Edwin A.; Bergner, Jennifer B.; Bosman, Arthur D.; Cleeves, L. Ilsedore; Czekala, Ian; Guzmán, Viviana V.; Huang, Jane; Ilee, John D.; Law, Charles J.; Le Gal, Romane; Loomis, Ryan A.; Ménard, François; Nomura, Hideko; Öberg, Karin I.; Qi, Chunhua; Schwarz, Kamber R.; Teague, Richard; Tsukagoshi, Takashi; Walsh, Catherine; Wilner, David J. (2021)
    We observed HCO<SUP>+</SUP> J = 1 - 0 and H<SUP>13</SUP>CO<SUP>+</SUP> J = 1 - 0 emission toward the five protoplanetary disks around IM Lup, GM Aur, AS 209, HD 163296, and MWC 480 as part of the MAPS project. HCO<SUP>+</SUP> ...
  • Molecules with ALMA at Planet-forming Scales (MAPS). XIX. Spiral Arms, a Tail, and Diffuse Structures Traced by CO around the GM Aur Disk 
    Huang, Jane; Bergin, Edwin A.; Öberg, Karin I.; Andrews, Sean M.; Teague, Richard; Law, Charles J.; Kalas, Paul; Aikawa, Yuri; Bae, Jaehan; Bergner, Jennifer B.; Booth, Alice S.; Bosman, Arthur D.; Calahan, Jenny K.; Cataldi, Gianni; Cleeves, L. Ilsedore; Czekala, Ian; Ilee, John D.; Le Gal, Romane; Guzmán, Viviana V.; Long, Feng; Loomis, Ryan A.; Ménard, François; Nomura, Hideko; Qi, Chunhua; Schwarz, Kamber R.; Tsukagoshi, Takashi; van't Hoff, Merel L. R.; Walsh, Catherine; Wilner, David J.; Yamato, Yoshihide; Zhang, Ke (2021)
    The concentric gaps and rings commonly observed in protoplanetary disks in millimeter continuum emission have lent the impression that planet formation generally proceeds within orderly, isolated systems. While deep ...
  • Molecules with ALMA at Planet-forming Scales (MAPS). XV. Tracing Protoplanetary Disk Structure within 20 au 
    Bosman, Arthur D.; Bergin, Edwin A.; Loomis, Ryan A.; Andrews, Sean M.; van't Hoff, Merel L. R.; Teague, Richard; Öberg, Karin I.; Guzmán, Viviana V.; Walsh, Catherine; Aikawa, Yuri; Alarcón, Felipe; Bae, Jaehan; Bergner, Jennifer B.; Booth, Alice S.; Cataldi, Gianni; Cleeves, L. Ilsedore; Czekala, Ian; Huang, Jane; Ilee, John D.; Law, Charles J.; Le Gal, Romane; Liu, Yao; Long, Feng; Ménard, François; Nomura, Hideko; Pérez, Laura M.; Qi, Chunhua; Schwarz, Kamber R.; Sierra, Anibal; Tsukagoshi, Takashi; Yamato, Yoshihide; Wilner, David J.; Zhang, Ke (2021)
    Constraining the distribution of gas and dust in the inner 20 au of protoplanetary disks is difficult. At the same time, this region is thought to be responsible for most planet formation, especially around the water ice ...
  • Molecules with ALMA at Planet-forming Scales (MAPS). XVI. Characterizing the Impact of the Molecular Wind on the Evolution of the HD 163296 System 
    Booth, Alice S.; Tabone, Benoît; Ilee, John D.; Walsh, Catherine; Aikawa, Yuri; Andrews, Sean M.; Bae, Jaehan; Bergin, Edwin A.; Bergner, Jennifer B.; Bosman, Arthur D.; Calahan, Jenny K.; Cataldi, Gianni; Cleeves, L. Ilsedore; Czekala, Ian; Guzmán, Viviana V.; Huang, Jane; Law, Charles J.; Le Gal, Romane; Long, Feng; Loomis, Ryan A.; Ménard, François; Nomura, Hideko; Öberg, Karin I.; Qi, Chunhua; Schwarz, Kamber R.; Teague, Richard; Tsukagoshi, Takashi; Wilner, David J.; Yamato, Yoshihide; Zhang, Ke (2021)
    During the main phase of evolution of a protoplanetary disk, accretion regulates the inner-disk properties, such as the temperature and mass distribution, and in turn, the physical conditions associated with planet formation. ...
  • Molecules with ALMA at Planet-forming Scales (MAPS). XVIII. Kinematic Substructures in the Disks of HD 163296 and MWC 480 
    Teague, Richard; Bae, Jaehan; Aikawa, Yuri; Andrews, Sean M.; Bergin, Edwin A.; Bergner, Jennifer B.; Boehler, Yann; Booth, Alice S.; Bosman, Arthur D.; Cataldi, Gianni; Czekala, Ian; Guzmán, Viviana V.; Huang, Jane; Ilee, John D.; Law, Charles J.; Le Gal, Romane; Long, Feng; Loomis, Ryan A.; Ménard, François; Öberg, Karin I.; Pérez, Laura M.; Schwarz, Kamber R.; Sierra, Anibal; Walsh, Catherine; Wilner, David J.; Yamato, Yoshihide; Zhang, Ke (2021)
    We explore the dynamical structure of the protoplanetary disks surrounding HD 163296 and MWC 480 as part of the Molecules with ALMA at Planet-forming Scales (MAPS) large program. Using the J = 2-1 transitions of <SUP>12</SUP>CO, ...
  • Molecules with ALMA at Planet-forming Scales. XX. The Massive Disk around GM Aurigae 
    Schwarz, Kamber R.; Calahan, Jenny K.; Zhang, Ke; Alarcón, Felipe; Aikawa, Yuri; Andrews, Sean M.; Bae, Jaehan; Bergin, Edwin A.; Booth, Alice S.; Bosman, Arthur D.; Cataldi, Gianni; Cleeves, L. Ilsedore; Czekala, Ian; Huang, Jane; Ilee, John D.; Law, Charles J.; Le Gal, Romane; Liu, Yao; Long, Feng; Loomis, Ryan A.; Macías, Enrique; McClure, Melissa; Ménard, François; Öberg, Karin I.; Teague, Richard; van Dishoeck, Ewine; Walsh, Catherine; Wilner, David J. (2021)
    Gas mass remains one of the most difficult protoplanetary disk properties to constrain. With much of the protoplanetary disk too cold for the main gas constituent, H<SUB>2</SUB>, to emit, alternative tracers such as dust, ...
  • Origin of the hot gas in low-mass protostars. Herschel-PACS spectroscopy of HH 46 
    van Kempen, T. A.; Kristensen, L. E.; Herczeg, G. J.; Visser, R.; van Dishoeck, Ewine F.; Wampfler, S. F.; Bruderer, S.; Benz, A. O.; Doty, S. D.; Brinch, C.; Hogerheijde, Michiel R.; Jørgensen, Jes K.; Tafalla, M.; Neufeld, David A.; Bachiller, R.; Baudry, A.; Benedettini, M.; Bergin, Edwin A.; Bjerkeli, P.; Blake, Geoffrey A.; Bontemps, Sylvain; Braine, J.; Caselli, Paola; Cernicharo, José; Codella, C.; Daniel, F.; di Giorgio, A. M.; Dominik, C.; Encrenaz, P.; Fich, M.; Fuente, A.; Giannini, Teresa; Goicoechea, J. R.; de Graauw, Th; Helmich, F.; Herpin, F.; Jacq, T.; Johnstone, D.; Kaufman, M. J.; Larsson, B.; Lis, Dariusz C.; Liseau, R.; Marseille, M.; McCoey, C.; Melnick, Gary J.; Nisini, B.; Olberg, M.; Parise, B.; Pearson, J. C.; Plume, R.; Risacher, C.; Santiago-García, J.; Saraceno, P.; Shipman, R.; van der Tak, Floris; Wyrowski, F.; Yildiz, U. A.; Ciechanowicz, M.; Dubbeldam, L.; Glenz, S.; Huisman, R.; Lin, R. H.; Morris, P.; Murphy, J. A.; Trappe, N. (2010)
    Aims: "Water In Star-forming regions with Herschel" (WISH) is a Herschel key programme aimed at understanding the physical and chemical structure of young stellar objects (YSOs) with a focus on water and related species. ...
  • Ortho-to-para ratio of interstellar heavy water 
    Vastel, C.; Ceccarelli, C.; Caux, E.; Coutens, A.; Cernicharo, José; Bottinelli, Sandrine; Demyk, K.; Faure, A.; Wiesenfeld, L.; Scribano, Y.; Bacmann, A.; Hily-Blant, P.; Maret, Sébastien; Walters, A.; Bergin, Edwin A.; Blake, Geoffrey A.; Castets, A.; Crimier, N.; Dominik, C.; Encrenaz, P.; Gérin, M.; Hennebelle, P.; Kahane, C.; Klotz, A.; Melnick, Gary J.; Pagani, L.; Parise, B.; Schilke, P.; Wakelam, V.; Baudry, A.; Bell, T.; Benedettini, M.; Boogert, Adwin; Cabrit, S.; Caselli, Paola; Codella, C.; Comito, C.; Falgarone, E.; Fuente, A.; Goldsmith, P. F.; Helmich, F.; Henning, Thomas; Herbst, E.; Jacq, T.; Kama, M.; Langer, W.; Lefloch, B.; Lis, Dariusz C.; Lord, S.; Lorenzani, A.; Neufeld, David A.; Nisini, B.; Pacheco, S.; Pearson, J.; Phillips, T.; Salez, M.; Saraceno, P.; Schuster, K.; Tielens, X.; van der Tak, F.; van der Wiel, M. H. D.; Viti, S.; Wyrowski, F.; Yorke, H.; Cais, P.; Krieg, J. M.; Olberg, M.; Ravera, L. (2010)
    Context. Despite the low elemental deuterium abundance in the Galaxy, enhanced molecular D/H ratios have been found in the environments of low-mass star-forming regions, and in particular the Class 0 protostar IRAS 16293-2422. ...
  • Probing CO and N<SUB>2</SUB> Snow Surfaces in Protoplanetary Disks with N<SUB>2</SUB>H<SUP>+</SUP> Emission 
    Qi, Chunhua; Öberg, Karin I.; Espaillat, Catherine C.; Robinson, Connor E.; Andrews, Sean M.; Wilner, David J.; Blake, Geoffrey A.; Bergin, Edwin A.; Cleeves, L. Ilsedore (2019)
    Snowlines of major volatiles regulate the gas and solid C/N/O ratios in the planet-forming midplanes of protoplanetary disks. Snow surfaces are the 2D extensions of snowlines in the outer disk regions, where radiative ...
  • Protoplanetary Disk Science with the Orbiting Astronomical Satellite Investigating Stellar Systems (OASIS) Observatory 
    Schwarz, Kamber R.; Najita, Joan; Bergner, Jennifer; Carr, John; Tielens, Alexander; Bergin, Edwin A.; Wilner, David; Leisawitz, David; Walker, Christopher K. (2023)
    The Orbiting Astronomical Satellite for Investigating Stellar Systems (OASIS) is a NASA Astrophysics MIDEX-class mission concept, with the stated goal of Following water from galaxies, through protostellar systems, to ...
  • Reversal of infall in SgrB2(M) revealed by Herschel/HIFI observations of HCN lines at THz frequencies 
    Rolffs, R.; Schilke, P.; Comito, C.; Bergin, Edwin A.; van der Tak, F. F. S.; Lis, Dariusz C.; Qin, S. -L; Menten, Karl M.; Güsten, R.; Bell, T. A.; Blake, Geoffrey A.; Caux, E.; Ceccarelli, C.; Cernicharo, José; Crockett, N. R.; Daniel, F.; Dubernet, M. -L; Emprechtinger, M.; Encrenaz, P.; Gerin, M.; Giesen, T. F.; Goicoechea, J. R.; Goldsmith, P. F.; Gupta, H.; Herbst, E.; Joblin, C.; Johnstone, D.; Langer, W. D.; Latter, W. D.; Lord, S. D.; Maret, Sébastien; Martin, Peter G.; Melnick, Gary J.; Morris, P.; Müller, H. S. P.; Murphy, J. A.; Ossenkopf, V.; Pearson, J. C.; Pérault, M.; Phillips, Thomas G.; Plume, R.; Schlemmer, S.; Stutzki, J.; Trappe, N.; Vastel, C.; Wang, S.; Yorke, H. W.; Yu, S.; Zmuidzinas, J.; Diez-Gonzalez, M. C.; Bachiller, R.; Martin-Pintado, J.; Baechtold, W.; Olberg, M.; Nordh, L. H.; Gill, J. J.; Chattopadhyay, G. (2010)
    <br/> Aims: To investigate the accretion and feedback processes in massive star formation, we analyze the shapes of emission lines from hot molecular cores, whose asymmetries trace infall and expansion motions. <br/> ...
  • Sensitive limits on the abundance of cold water vapor in the DM Tauri protoplanetary disk 
    Bergin, Edwin A.; Hogerheijde, Michiel R.; Brinch, C.; Fogel, J.; Yildiz, U. A.; Kristensen, L. E.; van Dishoeck, Ewine F.; Bell, T. A.; Blake, Geoffrey A.; Cernicharo, José; Dominik, C.; Lis, Dariusz C.; Melnick, Gary J.; Neufeld, David A.; Panic, O.; Pearson, J. C.; Bachiller, R.; Baudry, A.; Benedettini, M.; Benz, A. O.; Bjerkeli, P.; Bontemps, Sylvain; Braine, J.; Bruderer, S.; Caselli, Paola; Codella, C.; Daniel, F.; di Giorgio, A. M.; Doty, S. D.; Encrenaz, P.; Fich, M.; Fuente, A.; Giannini, Teresa; Goicoechea, J. R.; de Graauw, Th; Helmich, F.; Herczeg, G. J.; Herpin, F.; Jacq, T.; Johnstone, D.; Jørgensen, Jes K.; Larsson, B.; Liseau, R.; Marseille, M.; McCoey, C.; Nisini, B.; Olberg, M.; Parise, B.; Plume, R.; Risacher, C.; Santiago-García, J.; Saraceno, P.; Shipman, R.; Tafalla, M.; van Kempen, T. A.; Visser, R.; Wampfler, S. F.; Wyrowski, F.; van der Tak, F.; Jellema, W.; Tielens, A. G. G. M.; Hartogh, P.; Stützki, J.; Szczerba, R. (2010)
    We performed a sensitive search for the ground-state emission lines of ortho- and para-water vapor in the DM Tau protoplanetary disk using the Herschel/HIFI instrument. No strong lines are detected down to 3? levels in 0.5 ...
  • A Significantly Low CO Abundance toward the TW Hya Protoplanetary Disk: A Path to Active Carbon Chemistry? 
    Favre, Cécile; Cleeves, L. Ilsedore; Bergin, Edwin A.; Qi, Chunhua; Blake, Geoffrey A. (2013)
    In this Letter we report the CO abundance relative to H<SUB>2</SUB> derived toward the circumstellar disk of the T-Tauri star TW Hya from the HD (1 – 0) and C<SUP>18</SUP>O (2 – 1) emission lines. The HD (1 – 0) line was ...
  • Spiral Structure in the Gas Disk of TW Hya 
    Teague, Richard; Bae, Jaehan; Huang, Jane; Bergin, Edwin A. (2019)
    We report the detection of spiral substructure in both the gas velocity and temperature structure of the disk around TW Hya, suggestive of planet-disk interactions with an unseen planet. Perturbations from Keplerian rotation ...

Search DSpace

Browse

My Account