Chunhua Qi's Papers

This page includes all my refereed publications (Google Scholar Citations).

• Resolved Gas Interior to the Dust Rings of the HD 141569 Disk
         Flaherty, Hughes, Andrews, Qi, Wilner, Boley, While, Harney, & Zachary    2016, ApJ, in press
  
  
• Steepening of the 820 micron continuum surface-brightness profile signals dust evolution in TW Hya's disk
         Hogerheijde, Bekkers, Pinilla, Salinas, Kama, Andrews, Qi, & Wilner    2016, AA, in press
  
  
• Cyanide Photochemistry and Nitrogen Fractionation in the MWC 480 Disk
         Guzmann, Öberg, Loomis, & Qi    2015, ApJ, 814, 53
  
  
• Chemical Imaging of the CO Snow Line in the HD 163296 Disk
         Qi, Öberg, Andrews, Wilner, Bergin, Hughes, Hogherheijde, & D'Alessio    2015, ApJ, 813, 128
  
  
• Rings of C2H in the Molecular Disks Orbiting TW Hya and V4046 Sgr
         Kastner, Qi, Gorti, Hily-Blant, Oberg, Forveille, Andrews, & Wilner    2015, IAU Symposium 314, in press
  
  
• Double DCO+ Rings Reveal CO Ice Desorption in the Outer Disk Around IM Lup
         Öberg, Furuya, Loomis, Aikawa, Andrews, Qi, vanDishoeck, & Wilner    2015, ApJ, 810, 112
  
  
• Near-IR Polarized Scattered Light Imagery of the DoAr 28 Transitional Disk
         Rich, Wisniewski et al (including Qi)    2015, AJ, 150, 86
  
  
• HNC in Protoplanetary Disks
         Graninger, Öberg, Qi, & Kastner    2015, ApJ, 807L, 15
  
  
• The Transitional Disk around IRAS 04125+2902
         Espaillat, Andrews, Powell, Qi, Wilner, & D'Alessio    2015, ApJ, 807, 156
  
  
• Analytical Formulae of Molecular Ion Abundances and the N2H+ Ring in Protoplanetary Disks
         Aikawa, Furuya, Nomura, & Qi    2015, ApJ, 807, 120
  
  
• A Ring of C2H in the Molecular Disk Orbiting TW Hya
         Kastner, Qi, Gorti, Hily-Blant, Oberg, Forveille, Andrews, & Wilner    2015, ApJ, 806, 75
  
  
• The comet-like composition of a protoplanetary disk as revealed by complex cyanides
         Öberg, Guzman, Furuya, Qi, Aikawa, Andrews, Loomis, & Wilner    2015, Nature, 520, 198
  
  
• Evidence for DCO+ as a Probe of Ionization in the Warm Disk Surface
         Favre, Bergin, Cleeves, Hersant, Qi, & Aikawa    2015, ApJ, 802L, 23
  
  
• Constraining the X-Ray and Cosmic-Ray Ionization Chemistry of the TW Hya Protoplanetary Disk: Evidence for a Sub-interstellar Cosmic-Ray Rate
         Cleeves, Bergin, Qi, Adams, & Öberg    2015, ApJ, 799, 204
  
  
• Peculiar Near-nucleus Outgassing of Comet 17P/Holmes during its 2007 Outburst
         Qi, Hogerheijde, Jewitt, Gurwell, & Wilner    2015, ApJ, 799, 110
  
  
• Physical and Chemical Structure of Planet-Forming Disks Probed by Millimeter Observations and Modeling
         Dutrey, Semenov, Chapillion, Gorti, Guilloteau, Hersant, Hogerheijde, Hughes, Meeus, Nomura, Pietu, Qi, & Wakelam    2015, Protostars and Planets VI, 914, 317
  
  
• A Significantly Low CO Abundance toward the TW Hya Protoplanetary Disk: A Path to Active Carbon Chemistry?
         Favre, Cleeves, Bergin, Qi, & Blake    2013, ApJ, 776L, 38
  
  
• A Spatially Resolved Vertical Temperature Gradient in the HD 163296 Disk
         Rosenfeld, Andrews, Hughes, Wilner, & Qi    2013, ApJ, 774, 16
  
  
• Imaging of the CO Snow Line in a Solar Nebula Analog
         Qi, Öberg, Wilner, D'Alessio, Bergin, Andrews, Blake, Hogerheijde, & van Dishoeck    2013, Science, 341,630
  
  
• First Detection of c-C₃H₂ in a Circumstellar Disk
         Qi, Öberg, Wilner, & Rosenfeld    2013, ApJ, 765, L14
  
  
• H₂CO and N₂H⁺ in Protoplanetary Disks: Evidence for a CO-ice Regulated Chemistry
         Qi, Öberg, & Wilner    2013, ApJ, 765, 34
  
  
• An Old Disk Still Capable of Forming a Planetary System
         Bergin, Cleeves, Gorti, Zhang, Blake, Green, Andrews, Evans, Henning, Öberg, Pontoppidan, Qi, Salyk, van Dishoeck    2013, Nature, 493, 644
  
  
• Kinematics of the CO Gas in the Inner Regions of the TW Hya Disk
         Rosenfeld, Qi, Andrews, Wilner, Corder, Dullemond, Hughes, D'Alessio, & Ho    2013, ApJ, 757, 129
  
  
• Evidence for Multiple Pathways to Deuterium Enhancements in Protoplanetary Disks
         Öberg, Qi, Wilner, & Hogerheijde    2012, ApJ, 749, 162
  
  
• On the Transitional Disk Class: Linking Observations of T Tauri Stars and Physical Disk Models
         Espaillat, Ingleby, Hernandez, Furlan, D'Alessio, Calvet, Andrews, Muzerolle, Qi, & Wilner    2012, ApJ, 747, 103
  
  
• The TW Hya Disk at 870 µm: Comparison of CO and Dust Radial Structures
         Andrews, Wilner, Hughes, Qi, Rosenfeld, Öberg, Birnstiel, Espaillat, Cieza, Williams, Lin, & Ho    2012, ApJ, 744, 162
  
  
• The Ionization Fraction in the DM Tau Protoplanetary Disk
         Öberg, Qi, Wilner, & Andrews    2011, ApJ, 743, 152
  
  
• Millimeter Observations of the Transition Disk around HD 135344B (SAO 206462)
         Lyo, Ohashi, Qi, Wilner, & Su    2011, AJ, 142, 151
  
  
• Resolving the CO Snow Line in the Disk around HD 163296
         Qi, D'Alessio, Öberg, Wilner, Hughes, Andrews, & Ayala    2011, ApJ, 740, 84
  
  
• Resolved Submillimeter Observations of the HR 8799 and HD 107146 Debris Disks
         Hughes, Wilner, Andrews, Williams, Su, Murray-Clay, & Qi    2011, ApJ, 740, 38
  
  
• Disk Imaging Survey of Chemistry with SMA. II. Southern Sky Protoplanetary Disk Data and Full Sample Statistics
         Öberg, Qi, Fogel, Bergin, Andrews, Espaillat, Wilner, Pascucci & Kastner    2011, ApJ, 734, 98
  
  
• Resolved Images of Large Cavities in Protoplanetary Transition Disks
         Andrews, Wilner, Espaillat, Hughes, Dullemond, McClure, Qi, & Brown    2011, ApJ, 732, 42
  
  
• Empirical Constraints on Turbulence in Protoplanetary Accretion Disks
         Hughes, Wilner, Andrews, Qi, & Hogerheijde    2011, ApJ, 727, 85
  
  
• Protoplanetary Disk Structures in Ophiuchus. II. Extension to Fainter Sources
         Andrews, Wilner, Hughes, Qi, & Dullemond    2010, ApJ, 723, 1241
  
  
• Imaging the Molecular Disk Orbiting the Twin Young Suns of V4046 Sgr
         Rodriguez, Kastner, Wilner, & Qi    2010, ApJ, 720, 1684
  
  
• The Disk Imaging Survey of Chemistry with SMA. I. Taurus Protoplanetary Disk Data
         Öberg, Qi, Fogel, Bergin, Andrews, Espaillat, van Kempen, Wilner & Pascucci    2010, ApJ, 720, 480
  
  
• Structure and Composition of Two Transitional Circumstellar Disks in Corona Australis
         Hughes, Andrews, Wilner, Meyer, Carpenter, Qi, Hales, Casassus, Hogerheijde, Mamajek, Wolf, Henning, & Silverstone    2010, AJ, 140, 887
  
  
• Evidence for Dust Clearing Through Resolved Submillimeter Imaging
         Brown, Blake, Qi, Dullemond, Wilner, & Williams    2009, ApJ, 704, 496
  
  
• Protoplanetary Disk Structures in Ophiuchus
         Andrews, Wilner, Hughes, Qi, & Dullemond    2009, ApJ, 700, 1502
  
  
• A break in the gas and dust surface density of the disc around the T Tauri star IM Lupi
         Panic, Hogerheijde, Wilner & Qi    2009, A&A, 501, 269
  
  
• A Spatially Resolved Inner Hole in the Disk Around GM Aurigae
         Hughes, Andrews, Espaillat, Wilner, Calvet, D'Alessio, Qi, Williams, & Hogerheijde    2009, ApJ, 698, 131
  
  
• Simultaneous Observations of Comet C/2002 T7 (LINEAR) with the Berkeley-Illinois-Maryland Association and Owens Valley Radio Observatory Interferometers: HCN and CH3OH
         Hogerheijde, Qi, de Pater, Blake, Friedel, Forster, Palmer, Remijan, Snyder, & Wright    2009, AJ, 137, 4837
  
  
• Proplyds and Massive Disks in the Orion Nebula Cluster Imaged with CARMA and SMA
         Eisner, Plambeck, Carpenter, Corder, Qi, & Wilner    2008, ApJ, 683, 304
  
  
• Resolving the Chemistry in the Disk of TW Hydrae. I. Deuterated Species
         Qi, Wilner, Aikawa, Blake, & Hogerheijde    2008, ApJ, 681, 1396
  
  
• The Structure of the DoAr 25 Circumstellar Disk
         Andrews, Hughes, Wilner, & Qi    2008, ApJ, 678, L133
  
  
• Gas and Dust Emission at the Outer Edge of Protoplanetary Disks
         Hughes, Wilner, Qi, & Hogerheijde    2008, ApJ, 678, 1119
  
  
• LkHα 330: Evidence for Dust Clearing through Resolved Submillimeter Imaging
         Brown, Blake, Qi, Dullemond, & Wilner    2008, ApJ, 675, 109
  
  
• On the Diversity of the Taurus Transitional Disks: UX Tauri A and LkCa 15
         Espaillat, Calvet, D'Alessio, Hernandez, Qi, Hartmann, Furlan, & Watson    2007, ApJ, 670, 135
  
  
• Millimeter imaging of HD 163296: probing the disk structure and kinematics
         Isella, Testi, Natta, Neri, Wilner, & Qi    2007, A&A, 469, 213
  
  
• A Keplerian Disk around the Herbig Ae Star HD 169142
         Raman, Lisanti, Wilner, Qi, & Hogerheijde    2006, AJ, 131, 2290
  
  
• CO J = 6-5 Observations of TW Hydrae with the Submillimeter Array
         Qi, Wilner, Calvet, Bourke, Blake, Hogerheijde, Ho, & Bergin    2006, ApJ, 636, L157
  
  
• Deep Impact: Observations from a Worldwide Earth-Based Campaign
         Meech, et al. (+208 authors, including Qi)    2005, Science, 310, 265
  
  
• A Highly Collimated, Young, and Fast CO Outflow in OMC-1 South
         Zapata, Rodriguez, Ho, Zhang, Qi, & Kurtz    2005, ApJ, 630, L85
  
  
• Submillimeter Array Observations of CS J = 14-13 Emission from the Evolved Star IRC +10216
         Young, et al. (+27 authors, including Qi)    2004, ApJ, 616, L51
  
  
• High-Velocity Bipolar Outflow and Disklike Envelope in the Carbon Star V Hydrae
         Hirano, Shinnaga, Dinh-V-Trung, Fong, Keto, Patel, Qi, Young, Zhang, & Zhao    2004, ApJ, 616, L43
  
  
• Organic Molecules in Low-Mass Protostellar Hot Cores: Submillimeter Imaging of IRAS 16293-2422
         Kuan, Huang, Charnley, Hirano, Takakuwa, Wilner, Liu, Ohashi, Bourke, Qi, & Zhang    2004, ApJ, 616, L27
  
  
• Submillimeter Array Observations of L1551 IRS 5 in CS J = 7-6
         Takakuwa, Ohashi, Ho, Qi, Wilner, Zhang, Bourke, Hirano, Choi, & Yang    2004, ApJ, 616, L15
  
  
• Imaging the Disk around TW Hydrae with the Submillimeter Array
         Qi, Ho, Wilner, Takakuwa, Hirano, Ohashi, Bourke, Zhang, Blake, Hogerheijde, Saito, Choi, & Yang    2004, ApJ, 616, 11
  
  
• A New Probe of the Planet-forming Region in T Tauri Disks
         Bergin, Calvet, Sitko, Abgrall, D'Alessio, Herczeg, Roueff, Qi, Lynch, Russell, Brafford, & Perry    2004, ApJ, 614, L133
  
  
• Combined BIMA and OVRO Observations of Comet C/1999 S4 (LINEAR)
         Hogerheijde, de Pater, Wright, Forster, Snyder, Remijan, Woodney, A'Hearn, Palmer, Kuan, Huang, Blake, Qi, Kessler, & Liu    2004, AJ, 127, 2406
  
  
• Continuum and CO/HCO+ Emission from the Disk Around the T Tauri Star LkCa 15
         Qi, Kessler, Koerner, Sargent, & Blake    2003, ApJ, 597, 986
  
  
• Interferometric Observations of Formaldehyde in the Protoplanetary Disk around LkCa 15
         Aikawa, Momose, Thi, van Zadelhoff, Qi, Blake, & van Dishoeck    2003, PASJ, 55, 11
  
  
• Spectral Energy Distributions of Passive T Tauri and Herbig Ae Disks: Grain Mineralogy, Parameter Dependences, and Comparison with Infrared Space Observatory LWS Observations
         Chiang, Joung, Creech-Eakman, Qi, Kessler, Blake, & van Dishoeck    2001, ApJ, 547, 1077
  
  
• Sublimation from icy jets as a probe of the interstellar volatile content of comets
         Blake, Qi, Hogerheijde, Gurwell, & Muhleman    1999, Nature, 398, 213
  
  

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